Tp48300b-n04c2 v100r001 User Manual

TP48300B-N04C2

V100R001

User Manual

Issue Draft A

Date 2013-06-21

HUAWEI TECHNOLOGIES CO., LTD.

Issue Draft A (2013-06-21) Huawei Proprietary and Confidential

Copyright Huawei Technologies Co., Ltd. i

Copyright Huawei Technologies Co., Ltd. 2013. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any means without prior

written consent of Huawei Technologies Co., Ltd.

Trademarks and Permissions

and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective

holders.

Notice

The purchased products, services and features are stipulated by the contract made between Huawei and

the customer. All or part of the products, services and features described in this document may not be

within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,

information, and recommendations in this document are provided "AS IS" without warranties, guarantees

or representations of any kind, either express or implied.

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but all statements, information, and

recommendations in this document do not constitute a warranty of any kind, express or implied.

Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base

Bantian, Longgang

Shenzhen 518129

People's Republic of China

Website: http://www.huawei.com

Email: [email protected]

TP48300B-N04C2

User Manual About This Document


Copyright Huawei Technologies Co., Ltd. ii

About This Document

Overview

This document describes the DC power system in terms of product introduction, component

introduction, and system maintenance. The figures provided in this document are for

reference only.

Intended Audience

This document is intended for:

Sales engineers

Technical support engineers

Maintenance engineers

Symbol Conventions

The symbols that may be found in this document are defined as follows.

Symbol Description

Alerts you to a high risk hazard that could, if not

avoided, result in serious injury or death.

Alerts you to a medium or low risk hazard that could, if

not avoided, result in moderate or minor injury.

Alerts you to a potentially hazardous situation that could,

if not avoided, result in equipment damage, data loss,

performance deterioration, or unanticipated results.

Provides a tip that may help you solve a problem or save

time.

Provides additional information to emphasize or

supplement important points in the main text.

TP48300B-N04C2

User Manual About This Document


Copyright Huawei Technologies Co., Ltd. iii

Change History

Changes between document issues are cumulative. The latest document issue contains all the

changes made in earlier issues.

Issue Draft A (2013-06-21)

This issue is a draft.

TP48300B-N04C2

User Manual Contents


Copyright Huawei Technologies Co., Ltd. iv

Contents

About This Document .................................................................................................................... ii

1 Overview ......................................................................................................................................... 1

1.1 Introduction ...................................................................................................................................................... 1

1.2 Features ............................................................................................................................................................ 1

1.3 Working Principle............................................................................................................................................. 2

1.4 System Configuration ....................................................................................................................................... 3

2 Components ................................................................................................................................... 4

2.1 Interior .............................................................................................................................................................. 4

2.2 PDU .................................................................................................................................................................. 5

2.2.2 Battery Switch ......................................................................................................................................... 6

2.3 Rectifier ............................................................................................................................................................ 6

2.4 SMU ................................................................................................................................................................. 8

2.5 UIM ................................................................................................................................................................ 12

3 Safety Precautions ....................................................................................................................... 15

3.1 Health and Safety ........................................................................................................................................... 15

3.1.1 Overview ............................................................................................................................................... 15

3.1.2 Electrical Safety .................................................................................................................................... 17

3.1.3 Inflammable Environment .................................................................................................................... 18

3.1.4 Battery ................................................................................................................................................... 18

3.1.5 Mechanical Safety ................................................................................................................................. 20

3.1.6 Bundling Signal Cables ......................................................................................................................... 21

3.2 Equipment Safety ........................................................................................................................................... 21

3.2.1 Electricity Safety ................................................................................................................................... 21

3.2.2 Electrostatic Discharge.......................................................................................................................... 21

3.2.3 Laying Out Cables ................................................................................................................................ 22

4 Maintenance ................................................................................................................................. 23

4.1 Routine Maintenance...................................................................................................................................... 23

4.2 Handling Alarms ............................................................................................................................................ 24

4.2.1 Mains Failure ........................................................................................................................................ 24

4.2.2 AC Over Volt ......................................................................................................................................... 24

4.2.3 AC Under Volt ....................................................................................................................................... 25

TP48300B-N04C2



Copyright Huawei Technologies Co., Ltd. v

4.2.4 Phase A/B/C Failure .............................................................................................................................. 25

4.2.5 DC Over Volt ........................................................................................................................................ 25

4.2.6 DC Under Volt ...................................................................................................................................... 26

4.2.7 Batt Over Curr ....................................................................................................................................... 26

4.2.8 Load Off ................................................................................................................................................ 26

4.2.9 Batt Off ................................................................................................................................................. 27

4.2.10 Batt Loop Trip ..................................................................................................................................... 27

4.2.11 Amb. Over Temp ................................................................................................................................. 28

4.2.12 Amb. Under Temp ............................................................................................................................... 28

4.2.13 Amb. Over Humi ................................................................................................................................. 28

4.2.14 Amb. Under Humi ............................................................................................................................... 29

4.2.15 Batt Over Temp ................................................................................................................................... 29

4.2.16 Batt Under Temp ................................................................................................................................. 29

4.2.17 Rectifier Lost ...................................................................................................................................... 30

4.2.18 Rect Fault ............................................................................................................................................ 30

4.2.19 Rect Protect ......................................................................................................................................... 30

4.2.20 Rect Comm Fault ................................................................................................................................ 31

4.2.21 Load Fuse Trip .................................................................................................................................... 31

4.2.22 AC SPD Alarm .................................................................................................................................... 31

4.2.23 DC SPD Alarm .................................................................................................................................... 32

4.3 Identifying Component Faults ........................................................................................................................ 32

4.3.1 Identifying Rectifier Faults ................................................................................................................... 32

4.3.2 Identifying SMU Faults ........................................................................................................................ 32

4.3.3 Identifying AC SPD Faults ................................................................................................................... 32

4.3.4 Identifying Circuit Breaker Faults ........................................................................................................ 33

4.4 Replacing Components .................................................................................................................................. 33

4.4.1 Replacing a Rectifier ............................................................................................................................. 33

4.4.2 Replacing an SMU ................................................................................................................................ 34

4.4.3 Replacing an AC SPD ........................................................................................................................... 35

4.4.4 Replacing a Circuit Breaker .................................................................................................................. 36

4.4.5 Replacing a UIM ................................................................................................................................... 37

A Technical Specifications ........................................................................................................... 39

A.1 Environmental Specifications ........................................................................................................................ 39

A.2 Electrical Specifications ................................................................................................................................ 39

A.3 Safety and Regulatory Specifications ............................................................................................................ 40

A.4 EMC Specifications ....................................................................................................................................... 41

A.5 Cabinet Specifications ................................................................................................................................... 42

A.6 Rectifier Specifications ................................................................................................................................. 42

B Electrical Conceptual Diagram ................................................................................................ 43

C Associations Between Alarms and Dry Contacts on the UIM ........................................... 44

TP48300B-N04C2



Copyright Huawei Technologies Co., Ltd. vi

D Acronyms and Abbreviations.................................................................................................. 46

TP48300B-N04C2

User Manual 1 Overview


Copyright Huawei Technologies Co., Ltd. 1

1 Overview 1.1 Introduction

The TP48300B-N04C2 is an indoor communications power system that converts AC power

into stable DC power and supplies power to and backs up power for 48 V DC communications equipment with a maximum output current of 300 A.

Figure 1-1 shows a TP48300B-N04C2.

Figure 1-1 TP48300B-N04C2

1.2 Features Wide voltage range of 85 V AC to 300 V AC

Comprehensive battery management

TP48300B-N04C2




Comprehensive AC and DC surge protection design

Network application over a fast Ethernet (FE) port and an RS485/RS232 port

Communication with Huawei NetEco or third-party element management systems over

protocols such as the Simple Network Management Protocol (SNMP) and Hypertext

Transfer Protocol (HTTPS) to enable remote management and unattended working.

NetEco is Huawei iManager NetEco data center infrastructure management system.

Liquid crystal display (LCD) for display and operations

Web user interface (WebUI) for display and operations

Display in multiple optional languages, such as English, Chinese, Spanish, Portuguese,

Italian, and Russian

Hot swapping of rectifiers and site monitoring units (SMUs)

Rectifier power factor up to 0.99

Rectifier efficiency up to 96%

1.3 Working Principle

Figure 1-2 shows the conceptual diagram for TP48300B-N04C2.

AC power enters rectifiers through the AC power distribution unit (PDU). The rectifiers

convert the AC power input into -48 V DC power output, which is directed by the DC PDU to

DC loads along different routes.

When the AC power is normal, rectifiers power DC loads and charge batteries. When the AC

power is absent, rectifiers stop working and batteries start to power loads. After the AC power

resumes, rectifiers power DC loads and charge batteries again.

The SMU monitors the operating status of each component in the power system in real time

and performs appropriate intelligent control. When detecting a fault, the SMU generates an

alarm. The SMU monitors and regulates the temperature control unit based on the temperature

measured by the temperature sensor to ensure the normal operating temperature for the

cabinet.

TP48300B-N04C2




Figure 1-2 Conceptual diagram

1.4 System Configuration

Table 1-1 describes the TP48300B-N04C2 components.

Table 1-1 Components

Component TP48300B-N04C2

Rectifier Two to six R4850G2s or R4830G2s

SMU SMU02B

User interface module

(UIM)

UIM02C

Sensor Required: one battery temperature sensor

Optional: one smoke sensor, one temperature and humidity

sensor, one water sensor, one door status sensor, and two

ambient temperature sensors

TP48300B-N04C2

User Manual 2 Components



2 Components 2.1 Interior

Figure 2-1 shows the TP48300B-N04C2 interior.

Figure 2-1 TP48300B-N04C2 interior

(1) RTN+ busbar (2) Battery circuit breakers (3) Battery low voltage

disconnection (BLVD)

circuit breakers

(4) AC input circuit breakers (5) AC input N terminal (6) Surge protective

device (SPD)

(7) SMU (8) Space for installing

rectifiers

(9) Load low voltage

disconnection (LLVD)

circuit breakers

(10) UIM

TP48300B-N04C2




2.2 PDU

Figure 2-2 and Figure 2-3 respectively show the AC PDU and DC PDU for the TP48300B-

N04C2. Table 2-1 lists the power distribution specifications.

Figure 2-2 AC PDU

(1) AC input circuit

breakers

(2) AC input N terminal (3) SPD

Figure 2-3 DC PDU

(1) Battery circuit breakers (2) BLVD circuit breakers (3) LLVD circuit breakers

Table 2-1 Power distribution specifications

Item TP48300B-N04C2

Input system 220/380 V AC three-phase, four-wire

AC input circuit

breaker

One 3-pole 63 A circuit breaker

Battery branch Four 1-pole 125 A circuit breakers

DC load branch BLVD: one 1-pole 32 A circuit breaker, two 1-pole 16 A

circuit breakers, and one 63 A circuit breaker. Space for

TP48300B-N04C2




Item TP48300B-N04C2

installing two 1-pole circuit breakers of 63 A or less is

reserved.

LLVD: two 1-pole 80 A circuit breakers and one 1-pole 100

A circuit breaker. Space for installing five 1-pole circuit

breakers of 63 A or less is reserved.

AC surge protection Level C

NOTE

The power distribution for the TP48300B-N04C2 can be flexibly configured. For standard configuration,

six positions are for the BLVD and ten positions are for the LLVD (BLVD + LLVD = 6P + 10P). For optional configurations, ten positions are for the BLVD and six positions are for the LLVD (BLVD +

LLVD = 6P + 10P). For the LLVD, a maximum of extra 12 positions can be added.

2.2.2 Battery Switch

Figure 2-4 Battery switch

(1) Battery switch

The battery switch is in the AUTO position by default before delivery, meaning the system

is under automatic control.

Open the panel and flip the battery switch to MANUAL only when you need to enable the

battery power supply for commissioning. Remember to flip the battery switch back to

AUTO after the commissioning.

2.3 Rectifier

Appearance

Figure 2-5 shows a rectifier R4850G2/R4830G2.

TP48300B-N04C2




Figure 2-5 R4850G2/R4830G2

Panel

The front panel provides a power indicator, an alarm indicator, and a fault indicator. Figure 2-

6 shows the rectifier front panel. Table 2-2 describes the indicators on the panel.

Figure 2-6 R4850G2/R4830G2 panel

(1) Power indicator (2) Alarm indicator (3) Fault indicator

(4) Latch (5) Handle

Table 2-2 Indicator description

Indicator Color Status Description

Power indicator Green Steady on The rectifier has an AC power

input.

Off The rectifier has no AC power

input.

The rectifier is faulty.

Blinking at

0.5 Hz

The rectifier is being queried.

Blinking at 4 The rectifier is loading an

TP48300B-N04C2




Indicator Color Status Description

Hz application program.

Alarm indicator Yellow Off No alarm is generated.

Steady on The rectifier generates an alarm

for power limiting due to ambient

overtemperature.

The rectifier generates an alarm

for shutdown due to ambient

overtemperature or

undertemperature.

The rectifier protects against AC

input overvoltage or undervoltage.

The rectifier is hibernating.

Blinking at

0.5 Hz

The communication between the

rectifier and the SMU is

interrupted.

Fault indicator Red Off The rectifier is running properly.

Steady on The rectifier locks out due to

output overvoltage.

The rectifier has no output due to

an internal fault.

2.4 SMU

Appearance

Figure 2-7 shows an SMU02B.

Figure 2-7 SMU02B

TP48300B-N04C2




Panel

Figure 2-8 shows the SMU02B panel.

Figure 2-8 SMU02B panel

(1) Run indicator (2) Minor alarm indicator (3) Major alarm indicator

(4) Button (5) USB port (reserved) (6) RS485/RS232 port

(7) Handle (8) Locking latch (9) FE port

(10) LCD

Indicators

Table 2-3 describes the indicators on the SMU02B panel.

Table 2-3 SMU02B indicators

Name Color Status Description

Run indicator Green Off The SMU is faulty or has no

DC input.

Blinking at 0.5

Hz

The SMU02B is running

properly and communicating

with the host properly.

Blinking at 4 Hz The SMU02B is running

properly but is not

communicating with the host

properly.

Minor alarm

indicator

Yellow Off The SMU does not generate

any minor alarms.

TP48300B-N04C2




Name Color Status Description

Steady on The SMU generates a minor

alarm.

Major alarm

indicator

Red Off No critical or major alarm is

generated.

Steady on A critical or major alarm is

generated.

Buttons

Table 2-4 describes the buttons on the SMU02B panel.

Table 2-4 SMU02B buttons

Button Name Description

Up Scrolls up menus or sets parameter values.

Down Scrolls down menus or sets parameter values.

Back Returns to the upper-level menu without saving

the settings.

Confirm Enters the main menu from the standby

screen.

Enters a submenu from the main menu.

Saves the menu settings.

Note:

After a menu is displayed, the standby screen is displayed and the LCD screen becomes

dark if you do not press any button within 5 minutes.

You need to log in again if you do not press any button within 8 minutes.

The preset user name is admin, and the preset password is 000001.

Communications Ports

Table 2-5 describes the communications ports on the SMU02B panel.

Table 2-5 SMU02B communications ports

Port Parameter Protocol

FE port 10/100M auto-adaptation HTTPS, SNMP, and Huawei

NetEco protocols

RS485/RS232 port Baud rate: 9600 bit/s Huawei master/slave

TP48300B-N04C2




Port Parameter Protocol

protocols

Note:

All these ports support the security mechanism.

Figure 2-9 Pins in the FE port and RS485/RS232 port

Table 2-6 Pin definitions for the FE port

Pin Signal Description

1 TX+ Sends data over the FE.

2 TX-

3 RX+ Receives data over the FE.

6 RX-

4, 5, 7, and 8 None None

Table 2-7 Pin definitions for the RS485/RS232 port


1 TX+ Sends data over RS485.

2 TX-

4 RX+ Receives data over RS485.

5 RX-

3 RX232 Receives data over RS232.

7 TX232 Sends data over RS232.

6 PGND Connects to the ground.

TP48300B-N04C2





8 None None

2.5 UIM

Panel

The UIM02C provides eight dry contact outputs, six Boolean value inputs, and seven sensor

ports.

Figure 2-10 shows the UIM02C panel.

Figure 2-10 UIM02C panel

Ports

Table 2-8 UIM02C ports

Port Type Silk Screen Description

Sensor port TEM-HUM Temperature and humidity sensor

WATER Water sensor

TEMP1 Ambient temperature sensor 1

TEMP2 Ambient temperature sensor 2

GATE Door status sensor

SMOKE Smoke sensor

BTEMP Battery temperature sensor

Boolean value

signal port

NOTE

For the associations

between the

Boolean value

DIN1 Boolean value input 1.

DIN2 Boolean value input 2



TP48300B-N04C2





signal ports and

alarms, see the

appendix.



Dry contact

NOTE

For the associations

between the dry

contacts and

alarms, see the

appendix.

ALM1 Dry contact output 1








Communication

port

COM port RS485 port

Pins

Figure 2-11 shows the pin numbers of the sensor ports. Table 2-9 defines the pins.

Figure 2-11 UIM02C pin numbers

TP48300B-N04C2




Table 2-9 UIM02C pin definitions

Silkscreen No. Pin Definition

TEM-HUM 1 12 V

2 ENV_TEMP

3 12 V

4 ENV_HUM

WATER 1 12 V

2 WATER

3 GND

4 None

TEMP1 1 TEMP1

2 GND

TEMP2 1 TEMP2

2 GND

GATE 1 DIN7+

2 JTD7

SMOKE 1 12 V

2 SMOKE

BTEMP 1 BTEM1

2 GND

TP48300B-N04C2

User Manual 3 Safety Precautions



3 Safety Precautions 3.1 Health and Safety

3.1.1 Overview

Introduction

This section describes the safety precautions you must take before installing or maintaining

Huawei equipment.

To ensure safety of humans and the equipment, pay attention to the safety symbols on the

equipment and all the safety instructions in this document.

The "NOTE", "CAUTION", and "WARNING" marks in this document do not represent

all the safety instructions. They are only supplements to the safety instructions.

Installation and maintenance personnel must understand basic safety precautions to avoid

hazards.

When operating Huawei equipment, in addition to following the general precautions in

this document, follow the specific safety instructions given by Huawei.

Only trained and qualified personnel are allowed to install, operate, and maintain Huawei

equipment.

Local Safety Regulations

When operating Huawei equipment, you must follow the local laws and regulations. The

safety instructions in this document are only supplements to the local laws and regulations.

General Requirements

To minimize risk of personal injury and damage to equipment, read and follow all the

precautions in this document before performing any installation or maintenance.

Ensure that the instructions provided in this document are followed completely. This section

also provides guidelines for selecting the measuring and testing devices.

Installation The device (or system) must be installed in an access-controlled location.

The device can be mounted only on concrete or non-combustible surfaces.

TP48300B-N04C2




The device must be fixed securely on the floor or to other immovable objects such as

walls and mounting racks before operation.

When installing the unit, always make the ground connection first and disconnect it at

the end.

Do not block the ventilation while the device is operating. Keep a minimum distance of 5

cm between the device and the wall or other objects that may block the ventilation.

Tighten the thumbscrews by using a tool after initial installation and subsequent access

to the panel.

Ground Do not damage the ground conductor or operate the device in the absence of a properly

installed ground conductor. Conduct the electrical inspection carefully.

The device (or system) must be connected permanently to the protection ground before

an operation. The cross-sectional area of the protective ground conductor must be at least

10 mm2.

Power Supply For AC-supplied models: The device applies to TN, TT, or IT power system.

For DC-supplied models: Reinforced insulation or double insulation must be provided to

isolate the DC source from the AC mains supply.

For DC-supplied model: The device applies to DC power source that complies with the

Safety Extra-Low Voltage (SELV) requirements in IEC 60950-1 based safety standards.

Prepared conductors are connected to the terminal block, and only the appropriate

AWG/Type of wire is secured with the lug terminals.

Human Safety Do not operate the device or cables during lightning strikes.

Remove the AC power connector when there is lightning. Do not use fixed terminals or

touch terminals or antenna connectors when there is lightning.

To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to

telecommunication network voltage (TNV) circuits.

Move or lift the chassis by holding its lower edge. Do not hold the handles on certain

modules such as power supply, fans, and boards because they cannot support the weight

of the device.

At least two persons are required to lift the chassis. When lifting it, keep your back

straight and move stably.

Do not wear jewelry or watches when you operate the device.

Operator Only qualified professional personnel are allowed to install, configure, operate, and

disassemble the device.

Only the personnel authenticated or authorized by Huawei are allowed to replace or

change the device of the parts of the device (including the software).

Any fault or error that might cause safety problems must be reported immediately to a

supervisor.

Only qualified personnel are allowed to remove or disable the safety facilities and to

troubleshoot and maintain the device.

TP48300B-N04C2




3.1.2 Electrical Safety

High Voltage

The high voltage power supply provides power for the device operation. Direct or indirect

contact (through damp objects) with high voltage and AC mains supply may result in serious

injuries.

During the installation of the AC power supply facility, follow the local safety

regulations. The personnel who install the AC facility must be qualified to perform high

voltage and AC operations.

Do not wear conductive articles, such as watches, hand chains, bracelets, and rings

during the operation.

When water is found in the rack or the rack is damp, switch off the power supply

immediately.

When the operation is performed in a damp environment, make sure that the device is

dry.

Non-standard and improper high voltage operations may result in fire and electric shock.

Therefore, you must abide by the local rules and regulations when bridging and wiring AC

cables. Only qualified personnel are allowed to perform high voltage and AC operations.

Before powering on a device, ground the device. Otherwise, personal injury or device damage

may be caused by high leakage current.

Tools

Dedicated tools must be used during high voltage and AC operations. Avoid using ordinary

tools.

TP48300B-N04C2




High Electrical Leakage

Ground the device before powering it on. Otherwise, personal injury or device damage may

be caused by high leakage current.

If a "high electrical leakage" tag is present on the power terminal of the device, you must

ground the device before powering it on.

3.1.3 Inflammable Environment

Operating the electrical device in an inflammable environment can be fatal.

Do not place the device in an environment that has inflammable and explosive air or gas. Do

not perform any operation in this environment.

3.1.4 Battery

Storage Battery

Before operating storage batteries, carefully read the safety precautions for battery handling

and connection.

Improper handling of storage batteries causes hazards.

When operating storage batteries, avoid short circuit and overflow or leakage of the

electrolyte. Electrolyte overflow may damage the device. It will corrode metal parts and

circuit boards, and ultimately damage the device and cause short circuit of circuit boards.

Basic Precautions

Before installing and maintaining the battery, note the following:

Do not wear metal articles such as wristwatch, hand chain, bracelet, and ring.

Use special insulation tools.

TP48300B-N04C2




Take care to protect your eyes when operating the device.

Wear rubber gloves and a protective coat in case of electrolyte overflow.

When handling a storage battery, ensure that its electrodes are upward. Leaning or

reversing the storage battery is prohibited.

Short Circuit

Battery short circuit may cause human injuries. Although the voltage of ordinary batteries is

low, the instantaneous high current caused by the short circuit releases a great deal of energy.

There is danger of explosion if the battery is incorrectly replaced. Therefore, replace the

battery only with the same or equivalent type recommended by the manufacturer.

Keep away metal objects, which may cause battery short circuit, from batteries. If metal

objects must be used, first disconnect the batteries in use before performing any other

operations.

Hazardous Gas

Do not use unsealed lead acid storage batteries. Lead acid storage batteries must be placed

horizontally and stably to prevent the batteries from releasing flammable gas, which may

cause fire or erode the device.

Lead acid storage batteries in use emit flammable gas. Therefore, ventilation and

fireproofing measures must be taken at the sites where lead acid storage batteries are used.

Battery Temperature

If a battery overheats, the battery may be deformed or damaged, and the electrolyte may

overflow.

When the temperature of the battery is higher than 60, check the battery for electrolyte overflow. If the electrolyte overflows, absorb and counteract the electrolyte immediately.

TP48300B-N04C2




Battery Leakage

If the electrolyte overflows, absorb and counteract the electrolyte immediately.

When moving or handling a battery whose electrolyte leaks, note that the leaking electrolyte

may hurt human bodies. When you find the electrolyte leaks, use the following substances to

counteract and absorb the leaking electrolyte:

Sodium bicarbonate (baking soda): NaHCO3

Sodium carbonate (soda): Na2CO3

Select a substance to counteract and absorb the leaking electrolyte according to the

instructions of the battery manufacturer.

3.1.5 Mechanical Safety

Drilling Holes

Do not drill the cabinet at will. Drilling holes without complying with the requirements affects

the electromagnetic shielding performance of the cabinet and damages the cables inside the

cabinet. In addition, if the scraps caused by drilling enter the cabinet, the printed circuit

boards (PCBs) may be short circuited.

Before you drill a hole in the cabinet, wear insulated gloves and remove the internal

cables from the cabinet.

Wear an eye protector when drilling holes. This is to prevent your eyes from being

injured by the splashing metal scraps.

Ensure that the scraps caused by drilling do not enter the cabinet.

Drilling holes without complying with the requirements affects the electromagnetic

shielding performance of the cabinet.

After drilling, clean the metal scraps immediately.

Sharp Objects

Before you hold or carry a device, wear protective gloves to avoid getting injured by sharp

edges of the device.

TP48300B-N04C2




Handling Fans

When handling fans, note the following:

When replacing a component, place the component, screws, and tools in a safe place.

Otherwise, if any of them fall into the operating fans, the fans may be damaged.

When replacing a component near fans, do not insert your fingers or boards into the

operating fans until the fans are switched off and stops running.

Lifting Heavy Objects

When heavy objects are being lifted, do not stand or walk under the cantilever or the lifted

object.

3.1.6 Bundling Signal Cables

Do not bundle signal cables with high current cables or high voltage cables.

Maintain a minimum space of 150 mm between adjacent ties.

3.2 Equipment Safety

3.2.1 Electricity Safety

High Electrical Leakage

If a "high electrical leakage" tag is present on the power terminal of the device, you must

ground the device before powering it on.

3.2.2 Electrostatic Discharge

TP48300B-N04C2




The static electricity generated by human bodies may damage the electrostatic-sensitive

components on boards, for example, the large-scale integrated (LSI) circuits.

Human body movement, friction between human bodies and clothes, friction between shoes

and floors, or handling of plastic articles causes static electromagnetic fields on human bodies.

These static electromagnetic fields cannot be eliminated until the static is discharged.

To prevent electrostatic-sensitive components from being damaged by the static on human

bodies, you must wear a well-grounded electrostatic discharge (ESD) wrist strap when

touching the device or handling boards or application-specific integrated circuits (ASICs).

Figure 3-1 shows how to wear an ESD wrist strap.

Figure 3-1 Wearing an ESD wrist strap

3.2.3 Laying Out Cables

When the temperature is very low, violent strike or vibration may damage the cable sheathing.

To ensure safety, comply with the following requirements:

Cables can be laid or installed only when the temperature is higher than 0.

Before laying out cables which have been stored in a temperature lower than 0, move the cables to an environment of the ambient temperature and store them at the ambient

temperature for at least 24 hours.

Handle cables with caution, especially at a low temperature. Do not drop the cables

directly from the vehicle.

TP48300B-N04C2

User Manual 4 Maintenance



4 Maintenance 4.1 Routine Maintenance

Routine maintenance is required periodically based on site requirements. The recommended

maintenance interval is six months. If any fault is detected, rectify without any delay.

Table 4-1 Routine maintenance checklist

Item

Maintenance Task

Check That... By... If... Do...

Cabinet door

lock

The door lock is

proper.

Observing, and

locking and

unlock the door

The door lock

fails.

Replace the

door lock.

Fan No thick dust

accumulates on

the fan surface.

Observing Thick dust

accumulates on

the fan surface.

Clean up the

dust from the

fan.

The fan is

intact, and the

rotational

speed, noise,

and vibration

are within their

normal ranges.

Observing and

listening

The fan is

damaged, the

noise is too

loud, or the

vibration is

abnormal.

Replace the fan.

Electrical

connection

The output

voltage is

normal.

Using a

multimeter

The BLVD or

LLVD voltage

exceeds its

threshold.

For details, see

Handling

Alarms.

Preventive

inspection

Indicators are

normal.

Observing An alarm is

generated.

Appearance The paint or the

electroplated

coating on the

cabinet is

flaking off or

scratches occur.

Observing The surface is

damaged or

distorted.

Repaint or

repair the shell.

TP48300B-N04C2




Item

Maintenance Task

Check That... By... If... Do...

Grounding The ground

point connects

to the ground

bar in the

equipment

room properly.

Observing, and

using tools such

as a screw

driver or

wrench

The cable

connecting the

ground point

and the ground

bar in the

equipment

room is loose or

damaged.

Secure or

replace the

cable.

4.2 Handling Alarms

4.2.1 Mains Failure

Possible Causes The AC input power cable is faulty.

The AC input circuit breaker is OFF.

The mains grid is faulty.

Measures

1. Check whether the AC input cable is loose. If yes, secure the AC input cable.

2. Check whether the AC input circuit breaker is OFF. If yes, handle the back-end circuit failure and then switch on the circuit breaker.

3. Check whether the AC input voltage is lower than 50 V AC. If yes, handle the mains grid fault.

4.2.2 AC Over Volt

Possible Causes The AC overvoltage alarm threshold is not set properly on the SMU.

The power grid is faulty.

Measures

1. Check whether the AC overvoltage alarm threshold is properly set. If no, adjust it to a proper value.

2. Check whether the AC input voltage exceeds the AC overvoltage alarm threshold (280 V AC by default). If yes, handle the AC input fault.

TP48300B-N04C2




4.2.3 AC Under Volt

Possible Causes The AC undervoltage alarm threshold is incorrectly set on the SMU.

The power grid is faulty.

Measures

1. Check whether the AC undervoltage alarm threshold is correctly set. If no, adjust it to an appropriate value.

2. Check whether the AC input voltage is below the AC undervoltage alarm threshold (180 V AC by default). If yes, handle the AC input fault.

4.2.4 Phase A/B/C Failure

Possible Causes The AC input power cable is faulty.

The rectifier is in poor contact.

The monitoring unit is faulty.

Measures

1. Check whether the AC input power cable is correctly and securely installed. If no, reinstall the cable. If the insulation layer deteriorates, replace the cable.

2. Check whether a short circuit occurs in the AC input power cable or the insulation layer is damaged. If yes, replace the cable.

3. If the AC input is normal and the Alarm indicators on certain rectifiers are steady yellow, reinstall the rectifiers.

4. If the alarm persists, replace the monitoring unit.

4.2.5 DC Over Volt

Possible Causes The DC overvoltage alarm threshold is incorrectly set on the SMU.

Rectifiers are faulty.

The power system voltage is set too high in manual mode.

Measures

1. Check whether the DC overvoltage alarm threshold is correctly set. If no, adjust it to an appropriate value.

2. Remove the rectifiers one by one and check whether the alarm is cleared. If the alarm still exists, reinstall the rectifier. If the alarm is cleared, replace the rectifier.

3. Check whether the system voltage is set too high in manual mode. If yes, confirm the reason and adjust the voltage to a proper value after the operation.

TP48300B-N04C2




4.2.6 DC Under Volt

Possible Causes An AC power failure has occurred.

The DC undervoltage alarm threshold is incorrectly set on the SMU.


The system configuration is not appropriate.

The power system voltage is set too low in manual mode.

Measures

1. Check whether an AC power failure has occurred. If yes, resume the AC power supply.

2. Check whether the DC undervoltage alarm threshold is correctly set. If no, adjust it to an appropriate value.

3. Check whether the power system capacity is insufficient for the loads due to rectifier failures. If yes, replace the faulty rectifier.

4. Check whether the load current is greater than the current power system capacity. If yes, expand the power system capacity or reduce the load power.

5. Check whether the system voltage is set too low in manual mode. If yes, confirm the reason and adjust the voltage to a proper value after the operation.

4.2.7 Batt Over Curr

Possible Causes The rectifier communication is interrupted.

The SMU is in poor contact.

The SMU is faulty.

Measures

1. Check whether an alarm is generated for rectifier communication interruption. If yes, remove the rectifier and reinstall it to check whether the alarm is cleared. If the alarm

still exists, replace the rectifier.

2. Remove the SMU and reinstall it to check whether the alarm is cleared. If the alarm still exists, replace the SMU.

4.2.8 Load Off


Loads are manually disconnected.

The load disconnection voltage is set too high on the SMU.


The AC phase has failed.

TP48300B-N04C2




Measures


2. Check whether loads are manually disconnected. If yes, confirm the reason of the manual disconnection, and reconnect the loads after the operation.

3. Check whether the load disconnection voltage is set too high on the SMU. If yes, adjust it to a proper value.


5. Check whether there is AC phase failure alarm. If yes, resume the normal AC input.

4.2.9 Batt Off


Batteries are manually disconnected.

The battery disconnection voltage is set too high on the SMU.


The system configuration is not appropriate.

Measures


2. Check whether batteries are manually disconnected. If yes, confirm the reason of the manual disconnection, and reconnect the batteries after the operation.

3. Check whether the battery disconnection voltage is set too high on the SMU. If yes, adjust it to an appropriate value.


5. Check whether the load current is greater than the current power system capacity. If yes, expand the power system capacity or reduce the load power.

4.2.10 Batt Loop Trip

Possible Causes The battery fuse detection cable is disconnected.

The battery circuit breaker has tripped or battery fuse is blown.

The contactor is faulty.

Measures

1. Check whether the battery fuse detection cable is disconnected. If yes, reconnect the cable.

2. Check whether the battery circuit breaker has tripped or battery fuse is blown. If yes, rectify the battery loop fault and then switch on the circuit breaker or replace the fuse.

3. Manually switch on or switch off the battery contactor and check whether the battery current changes accordingly. If no, replace the contactor.

TP48300B-N04C2




4.2.11 Amb. Over Temp

This alarm is generated only for the power system that has ambient temperature sensors installed.

Possible Causes The ambient overtemperature alarm threshold is incorrectly set on the SMU.

The temperature control system is faulty in the cabinet where the ambient temperature

sensor is located.

The ambient temperature sensor is faulty.

Measures

1. Check whether the ambient temperature alarm threshold is correctly set on the SMU. If no, adjust it based on site requirements.

2. Check whether the temperature control system in the cabinet is faulty. If yes, rectify the fault. The alarm is cleared when the cabinet temperature falls within the allowed range.

3. Check whether the ambient temperature sensor is faulty. If yes, replace the temperature sensor.

4.2.12 Amb. Under Temp

This alarm is generated only for the power system that has ambient temperature sensors installed.

Possible Causes The ambient undertemperature alarm threshold is incorrectly set on the SMU.

The temperature control system is faulty in the cabinet where the ambient temperature

sensor is located.

The ambient temperature sensor is faulty.

Measures

1. Check whether the ambient undertemperature alarm threshold is correctly set on the SMU. If no, adjust it based on site requirements.

2. Check whether the temperature control system in the cabinet is faulty. If yes, rectify the fault. The alarm is cleared when the cabinet temperature falls within the allowed range.

3. Check whether the ambient temperature sensor is faulty. If yes, replace the ambient temperature sensor.

4.2.13 Amb. Over Humi

This alarm is generated only for the power system that has humidity sensors installed.

Possible Causes The ambient overhumidity alarm threshold is incorrectly set on the SMU.

The humidity is too high in the cabinet where the humidity sensor is located.

The humidity sensor is faulty.

TP48300B-N04C2




Measures

1. Check whether the ambient overhumidity alarm threshold is correctly set on the SMU. If no, adjust it based on site requirements.

2. Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or other tools and rectify the fault.

3. Check whether the humidity sensor is faulty. If yes, replace the humidity sensor.

4.2.14 Amb. Under Humi

This alarm is generated only for the power system that has humidity sensors installed.

Possible Causes The ambient underhumidity alarm threshold is incorrectly set on the SMU.

The humidity is too low in the cabinet where the humidity sensor is located.

The humidity sensor is faulty.

Measures

1. Check whether the ambient underhumidity alarm threshold is correctly set on the SMU. If no, adjust it based on site requirements.

2. Check whether the cabinet humidity is too low. If yes, adjust the cabinet humidity. The alarm is cleared when the humidity falls within the allowed range.

3. Check whether the humidity sensor is faulty. If yes, replace the humidity sensor.

4.2.15 Batt Over Temp

Possible Causes The battery overtemperature alarm threshold is incorrectly set on the SMU.

The battery compartment heat dissipation system is faulty.

The battery temperature sensor is faulty.

Measures

1. Check whether the battery overtemperature alarm threshold is correctly set. If no, adjust it to a proper value.

2. Check whether the battery compartment heat dissipation system is faulty. If yes, rectify the fault. The alarm is cleared when the battery temperature falls within the allowed

range.

3. Check whether the battery temperature sensor is faulty. If yes, replace the temperature sensor.

4.2.16 Batt Under Temp

Possible Causes The battery undertemperature alarm threshold is incorrectly set on the SMU.

The battery compartment heating system is faulty.

TP48300B-N04C2




The battery temperature sensor is faulty.

Measures

1. Check whether the battery undertemperature alarm threshold is correctly set. If no, adjust it to a proper value.

2. Check whether the battery compartment heating system is faulty. If yes, rectify the fault. The alarm is cleared when the battery temperature falls within the allowed range.

3. Check whether the battery temperature sensor is faulty. If yes, replace the temperature sensor.

4.2.17 Rectifier Lost

Possible Causes Certain rectifiers are not powered on.


The subrack or slot connector is faulty.

The monitoring unit is faulty.

Measures

1. Check whether the circuit breakers corresponding to undetected rectifiers are ON. If no, switch them on.

2. Check whether the rectifier has been removed. If yes, find the cause and reinstall it.

3. Replace the rectifier if it is faulty.

4. Check whether certain rectifiers in the rectifier subrack do not work properly. If yes, remove the rectifiers that do not work and check whether their slot connectors are

damaged or deformed. If yes, repair or replace the subrack or slot connectors.

5. If the alarm persists after the preceding measures are taken and the monitoring unit is restarted, replace the monitoring unit.

4.2.18 Rect Fault

Possible Causes The rectifier is in poor contact.


Measures

1. Check the Fault indicator on the rectifier panel. If it is steady red, remove the rectifier, and then reinstall it after the indicator turns off.

2. If the alarm still exists, replace the rectifier.

4.2.19 Rect Protect

Possible Causes The rectifier input voltage is too high.

The rectifier input voltage is too low.

TP48300B-N04C2




The ambient temperature is too high.


Measures

1. Check whether the AC input voltage exceeds the upper threshold of the rectifier working voltage. If yes, rectify the power supply fault and then resume the power supply.

2. Check whether the AC input voltage is below the lower threshold of the rectifier working voltage. If yes, rectify the power supply fault and then resume the power supply.

3. Check whether the ambient temperature is higher than the normal operating temperature of the rectifier. If yes, rectify the temperature unit fault.

4. Remove the rectifier that generates the alarm and reinstall it after the indicator turns off. If the alarm still exists, replace the rectifier.

4.2.20 Rect Comm Fault

Possible Causes The rectifier has been removed.

The rectifier is in poor contact.


Measures

1. Check whether the rectifier has been removed. If yes, reinstall it.

2. If the rectifier is in position, remove the rectifier and reinstall it.

3. If the alarm still exists, replace the rectifier.

4.2.21 Load Fuse Trip

Possible Causes The load circuit breaker has tripped or fuse is blown.

The load fuse detection cable is disconnected.

Measures

1. Check whether the load circuit breaker has tripped or fuse is blown. If yes, rectify the back-end circuit fault and then switch on the circuit breaker or replace the fuse.

2. Check whether the load fuse detection cable is disconnected. If yes, reconnect the cable.

4.2.22 AC SPD Alarm

Possible Causes The AC SPD is faulty.

The AC SPD detection cable is disconnected.

Measures

1. Check whether the AC SPD indication window is red. If yes, replace the SPD.

TP48300B-N04C2




2. Check whether the AC SPD detection cable is disconnected. If yes, reconnect the cable.

4.2.23 DC SPD Alarm

Possible Causes The DC SPD detection cable is disconnected.

The DC SPD is faulty.

Measures

1. Check whether the DC SPD detection cable is disconnected. If yes, reconnect the cable.

2. If the DC SPD detection cable is not disconnected, replace the DC SPD.

4.3 Identifying Component Faults

4.3.1 Identifying Rectifier Faults

A rectifier is damaged if any of the following conditions is not met:

When the rectifier does not communicate with the SMU and the AC input voltage is

around 220 V, the green indicator on the rectifier is steady on and the other indicators are

off. The rectifier output is normal.

The SMU can perform equalized charging, float charging, and current limiting control

for the rectifier when the communication cable to the rectifier is correctly connected and

communication is established between the rectifier and the SMU.

4.3.2 Identifying SMU Faults

The following are the main symptoms of SMU faults.

The DC output is normal while the green indicator on the SMU is off.

The SMU breaks down or cannot be started. Its LCD has abnormal display or buttons

cannot be operated.

With the alarm reporting enabled, the SMU does not report alarms when the power

system is faulty.

The SMU reports an alarm while the power system does not experience the fault.

The SMU fails to communicate with the connected lower-level devices while the

communications cables are correctly connected.

Communication between the SMU and all rectifiers fails while both the rectifiers and the

communications cables are normal.

The SMU cannot detect the DC power distribution while the communications cables and

the DC power distribution is normal.

Parameters cannot be set or running information cannot be viewed on the SMU.

4.3.3 Identifying AC SPD Faults

Check the color of the SPD indication window. Green indicates that the SPD is normal. Red

indicates the SPD is faulty.

TP48300B-N04C2




4.3.4 Identifying Circuit Breaker Faults

The following are the main symptoms of circuit breaker faults.

The circuit breaker cannot be switched ON/OFF after the short circuit fault for its end

circuit is rectified.

When the circuit breaker is switched ON and its input voltage is normal, the voltage

between the two ends of the circuit breaker exceeds 1 V.

When the circuit breaker is switched OFF and its input voltage is normal, the resistance

between the two ends of the circuit breaker is less than 1 k.

4.4 Replacing Components

Ensure that loads are supplied with power when replacing major components. For example,

keep the circuit breakers for primary loads in the ON position, and do not disconnect both

the battery input and AC input from the loads.

Seek the customer's prior consent if load disconnection is required.

Rectifiers and the SMU are hot-swappable.

4.4.1 Replacing a Rectifier

Prerequisites You have obtained a pair of protective gloves, the cabinet door key, and the maintenance

tool box.

The new rectifier is intact.

Protect yourself from being burnt when removing the rectifier as it has a high temperature.

Procedure

Step 1 Push the locking latch on the right side of the panel towards the left.

Step 2 Gently draw the handle outwards to unlock the rectifier, and remove the rectifier from the subrack, as shown in Figure 4-1.

TP48300B-N04C2




Figure 4-1 Removing a rectifier

Step 3 Push the locking latch on the new rectifier towards the left, and pull out the handle.

Step 4 Place the new rectifier at the entry to the correct slot.

Step 5 Gently slide the rectifier into the subrack along the guide rail, and lock the handle, as shown in Figure 4-2.

Figure 4-2 Installing a rectifier

----End

Follow-up Procedure

Send the removed rectifier for repair.

4.4.2 Replacing an SMU

Prerequisites You have obtained the cabinet door key and maintenance tool box.

The new SMU is intact.

Procedure

Step 1 Push the locking latch towards the left.

Step 2 Draw the handle outwards to remove the SMU, as shown in Figure 4-3.

TP48300B-N04C2




Figure 4-3 Removing an SMU

Step 3 Insert the new SMU into its slot, push the locking latch towards the left, and pull out the handle.

Step 4 Slide the new SMU into the subrack slowly along the guide rail, and push the locking latch towards the right.

Step 5 Reset SMU parameters.

Figure 4-4 Installing an SMU

----End

Follow-up Procedure

Send the removed SMU for repair.

4.4.3 Replacing an AC SPD

Prerequisites You have obtained an ESD wrist strap or a pair of ESD gloves, an ESD box or bag, the

cabinet door key, and the maintenance tool box.

The new AC SPD is intact and the indication window is green.

Procedure

Step 1 Hold down the faulty AC SPD and pull it out, as shown in Figure 4-5.

Step 2 Install the new AC SPD, as shown in Figure 4-5.

TP48300B-N04C2




Figure 4-5 Replacing an AC SPD

----End

Follow-up Procedure

Check that the alarm for the AC SPD is cleared.

4.4.4 Replacing a Circuit Breaker

Prerequisites

Before replacing an AC circuit breaker, switch off the input circuit breaker on the upper-level

device.

You have obtained the cabinet door key, insulation tape, and maintenance tool box.

The new circuit breaker is intact.

Procedure

Step 1 Switch off the circuit breaker that is to be replaced.

Step 2 Loosen the screws that secure the output cables and signal cable terminals using a Phillips screwdriver and remove them. Wrap the cables and terminals using insulation tape to prevent

hazards.

Step 3 Loosen the screws that secure the input copper bars using a Phillips screwdriver and loosen the buckle at the circuit breaker base using an insulated flat-head screwdriver.

Step 4 Remove the circuit breaker from the guide rail. Figure 4-6 shows the procedure for removing the circuit breaker.

TP48300B-N04C2




Figure 4-6 Removing the circuit breaker

Step 5 Switch off the new circuit breaker. Press the buckle at the circuit breaker base using an insulated flat-head screwdriver and install the new circuit breaker. Then loosen the buckle and

secure the circuit breaker along the guide rail.

Step 6 Tighten the screws that secure the input copper bars.

Step 7 Remove the insulation tape from the output cables and signal cable terminals. Then connect the output cable and signal cable terminals to the output end of the circuit breaker and tighten

the screws.

Step 8 Switch on the circuit breaker. Figure 4-7 shows the procedure for installing the new circuit breaker.

Figure 4-7 Installing the circuit breaker

----End

4.4.5 Replacing a UIM

Prerequisites You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the

cabinet door key, and the maintenance tool box.

TP48300B-N04C2




The new UIM is intact.

Procedure

Step 1 Connect the ground cable to the ESD wrist strap and put on the ESD wrist strap and ESD gloves.

Step 2 Remove the cover of UIM02C, as shown in Figure 4-8

Step 3 Record the position where the UIM02C panel connects to the signal cable, and then disconnect the signal cable.

Step 4 Unscrew the UIM02C panel and take out the UIM02C, as shown in Figure 4-8

Figure 4-8 Taking out the UIM02C

Step 5 Record the positions where the UIM02C backplane connects to all the cables, and then disconnect the cables.

Step 6 Take out the new UIM02C and connect all the cables to the UIM02C backplane based on the recorded information.

Step 7 Push in the UIM02C and tighten the screws.

Step 8 Connect the signal cable to the UIM02C panel based on the recorded information.

Step 9 Disconnect the ground cable from the ESD wrist strap and take off the ESD wrist strap and ESD gloves.

----End

Follow-up Procedure

Send the removed UIM02C for repair.

TP48300B-N04C2

User Manual A Technical Specifications



A Technical Specifications A.1 Environmental Specifications

Table A-1 Environmental specifications

Item Specifications

Operating temperature 10C to +50C

Transportation temperature 40C to +70C

Storage temperature 40C to +70C

Operating humidity 5%95% RH

Storage humidity 5%95% RH

Altitude 04000 m

When the altitude ranges from 2000 m to 4000 m, the

operating temperature decreases by 1C for each

additional 200 m.

A.2 Electrical Specifications

Table A-2 Electrical specifications

Item Specifications

AC input Input system 220/380 V AC three-phase, four-wire

Input frequency Frequency range: 4566 Hz; nominal frequency: 50 Hz or 60 Hz.

Power factor 0.99 (load 50%)

Total harmonic distortion

(THD) 5% (load 50%)

DC output Output voltage range 4258 V DC

TP48300B-N04C2




Item Specifications

Default output voltage 53.5 V DC

Output power Maximum output power = Output power

of a single rectifier x Number of

rectifiers

Regulated voltage

precision

1%

Ripple and noise 200mVp-p

Noise weighting 2 mV

Imbalance of load sharing < 5% (20%100% load)

AC input

protection

AC input overvoltage

protection threshold

> 300 V AC

AC input overvoltage

recovery threshold

When the voltage is restored to 290 V

AC, the output resumes.

AC input undervoltage


< 85 V AC

AC input undervoltage

recovery threshold

When the voltage is restored to 90 V AC,

the output resumes.

DC output

protection

DC output overvoltage


58.560.5 V DC

If overvoltage occurs inside a rectifier

due to a fault, the rectifier locks out.

If the external voltage is higher than

63 V for more than 500 ms, the

rectifier locks out.

AC surge

protection

Level C surge protection. The nominal lightning discharge current is

20 kA (8/20 s), and the maximum one is 40 kA (8/20 s).

DC surge

protection

Differential mode: 10 kA (8/20 s)

Common mode: 20 kA (8/20 s)

A.3 Safety and Regulatory Specifications

Table A-3 Safety and regulatory specifications

Item Specifications

Safety and regulatory design Complies with IEC/EN60950-1.

Mean time between failures

(MTBF)

200,000 hours

TP48300B-N04C2




A.4 EMC Specifications

Table A-4 EMC specifications

Item Specifications

Electromagnetic

interference

(EMI)

Conducted emission (CE) AC power port: Class A

DC power port: Class A

Reference standard: EN55022

Radiated interference Class A

Reference standard: EN55022

Harmonic IEC 61000-3-12

Fluctuation and flicker IEC 61000-3-11

Electromagnetic

susceptibility

(EMS)

Electrostatic discharge

(ESD)

Cabinet port contact discharge: 6 kV

(criterion B); air discharge: 8 kV

(criterion B)

Signal port contact discharge: 2 kV

(criterion R)

Electrical fast transient

(EFT)

Signal port: 1 kV

AC power port: 2 kV

DC Power port: 2 kV (criterion B)

Radiated susceptibility (RS) Field strength: 10 V/m (criterion A)

Conducted susceptibility

(CS)

Power port: 10 V

Signal port: 3 V (criterion A)

Surge immunity AC power port:

Differential mode: 6 kV

Common mode: 6 kV

DC power port:

Differential mode: 2 kV

Common mode: 4 kV

Signal port:

Differential mode: 0.5 kV

Common mode: 1 kV

Voltage dips immunity

(DIP)

Complies with IEC 61000-4-11.

TP48300B-N04C2




A.5 Cabinet Specifications

Table A-5 Cabinet specifications

Item Specifications

Dimensions (H x W x D) 546 mm x 442 mm x 360 mm

Weight 50 kg (without rectifiers)

A.6 Rectifier Specifications

Table A-6 Rectifier specifications

Item R4850G2 R4830G2

Efficiency > 96% (peak point)

95% (230 V AC, 30%100% load)

96% (peak point)

95% (230 V AC, 45%80% load)

Output power 3000 W (176290 V AC)

1250 W (85175 V AC decreased linearly)

2000 W (176300 V AC)

840 W (85175 V AC decreased linearly)

Dimensions

(H x W x D)

40.8 mm 105 mm 281 mm

Weight 2 kg < 1.8 kg

TP48300B-N04C2

User Manual B Electrical Conceptual Diagram



B Electrical Conceptual Diagram Table B-1 Electrical conceptual diagram

TP48300B-N04C2

User Manual

C Associations Between Alarms and Dry Contacts on the

UIM



C Associations Between Alarms and Dry Contacts on the UIM

Table C-1 Associations between alarms and dry contacts


Boolean value port DIN1 Boolean value input 1.






Dry contact ALM1 Reports alarms for AC power failures.

The default setting (closed: alarm; open: normal)

can be changed.

ALM2 Reports alarms for DC overvoltage and

undervoltage.


can be changed.

ALM3 Reports alarms for rectifier faults, protection,

communication failures, faults of multiple

rectifiers, and communication failure of all

rectifiers.


can be changed.

ALM4 Reports alarms for SPD faults.


can be changed.

ALM5 Reports fuse blown alarms.

The default setting (closed: alarm; open: normal) can be changed.

TP48300B-N04C2

User Manual

C Associations Between Alarms and Dry Contacts on the

UIM




ALM6 Reports alarms for abnormal battery

temperatures or ambient temperatures.


can be changed.

ALM7 User-defined.


can be changed.

ALM8 Reports alarms for SMU faults.


can be changed.

TP48300B-N04C2

User Manual D Acronyms and Abbreviations



D Acronyms and Abbreviations ASIC application-specific integrated circuit

BLVD battery low voltage disconnection

CE conducted emission

CS conducted susceptibility

EFT electrical fast transient

EMC electromagnetic compatibility

EMI electromagnetic interference

EMS electromagnetic susceptibility

ESD electrostatic discharge

FE fast Ethernet

HAU heater assembly unit

HTTPS Hypertext Transfer Protocol Secure

LCD liquid crystal display

LLVD load low voltage disconnection

LSI large-scale integrated

IEC International Electrotechnical Commission

MTBF mean time between failures

PDU power distribution unit

RS radiated susceptibility

SELV safety extra-low voltage

SMU site monitor unit

SNMP Simple Network Management Protocol

SPD surge protective device

TP48300B-N04C2

User Manual D Acronyms and Abbreviations



TCU temperature control unit

THD total harmonic distortion

TNV telecommunication network voltage

UIM user interface module

WebUI web user interface

About This Document1 Overview1.1 Introduction1.2 Features1.3 Working Principle1.4 System Configuration

2 Components2.1 Interior2.2 PDU2.2.2 Battery Switch

2.3 RectifierAppearancePanel

2.4 SMUAppearancePanelIndicatorsButtonsCommunications Ports

2.5 UIMPanelPortsPins

3 Safety Precautions3.1 Health and Safety3.1.1 OverviewIntroductionLocal Safety RegulationsGeneral RequirementsInstallationGroundPower SupplyHuman SafetyOperator

3.1.2 Electrical SafetyHigh VoltageToolsHigh Electrical Leakage

3.1.3 Inflammable Environment3.1.4 BatteryStorage BatteryBasic PrecautionsShort CircuitHazardous GasBattery TemperatureBattery Leakage

3.1.5 Mechanical SafetyDrilling HolesSharp ObjectsHandling FansLifting Heavy Objects

3.1.6 Bundling Signal Cables

3.2 Equipment Safety3.2.1 Electricity SafetyHigh Electrical Leakage

3.2.2 Electrostatic Discharge3.2.3 Laying Out Cables

4 Maintenance4.1 Routine Maintenance4.2 Handling Alarms4.2.1 Mains FailurePossible CausesMeasures1. Check whether the AC input cable is loose. If yes, secure the AC input cable.2. Check whether the AC input circuit breaker is OFF. If yes, handle the back-end circuit failure and then switch on the circuit breaker.3. Check whether the AC input voltage is lower than 50 V AC. If yes, handle the mains grid fault.

4.2.2 AC Over VoltPossible CausesMeasures1. Check whether the AC overvoltage alarm threshold is properly set. If no, adjust it to a proper value.2. Check whether the AC input voltage exceeds the AC overvoltage alarm threshold (280 V AC by default). If yes, handle the AC input fault.

4.2.3 AC Under VoltPossible CausesMeasures1. Check whether the AC undervoltage alarm threshold is correctly set. If no, adjust it to an appropriate value.2. Check whether the AC input voltage is below the AC undervoltage alarm threshold (180 V AC by default). If yes, handle the AC input fault.

4.2.4 Phase A/B/C FailurePossible CausesMeasures1. Check whether the AC input power cable is correctly and securely installed. If no, reinstall the cable. If the insulation layer deteriorates, replace the cable.2. Check whether a short circuit occurs in the AC input power cable or the insulation layer is damaged. If yes, replace the cable.3. If the AC input is normal and the Alarm indicators on certain rectifiers are steady yellow, reinstall the rectifiers.4. If the alarm persists, replace the monitoring unit.

4.2.5 DC Over VoltPossible CausesMeasures1. Check whether the DC overvoltage alarm threshold is correctly set. If no, adjust it to an appropriate value.2. Remove the rectifiers one by one and check whether the alarm is cleared. If the alarm still exists, reinstall the rectifier. If the alarm is cleared, replace the rectifier.3. Check whether the system voltage is set too high in manual mode. If yes, confirm the reason and adjust the voltage to a proper value after the operation.

4.2.6 DC Under VoltPossible CausesMeasures1. Check whether an AC power failure has occurred. If yes, resume the AC power supply.2. Check whether the DC undervoltage alarm threshold is correctly set. If no, adjust it to an appropriate value.3. Check whether the power system capacity is insufficient for the loads due to rectifier failures. If yes, replace the faulty rectifier.4. Check whether the load current is greater than the current power system capacity. If yes, expand the power system capacity or reduce the load power.5. Check whether the system voltage is set too low in manual mode. If yes, confirm the reason and adjust the voltage to a proper value after the operation.

4.2.7 Batt Over CurrPossible CausesMeasures1. Check whether an alarm is generated for rectifier communication interruption. If yes, remove the rectifier and reinstall it to check whether the alarm is cleared. If the alarm still exists, replace the rectifier.2. Remove the SMU and reinstall it to check whether the alarm is cleared. If the alarm still exists, replace the SMU.

4.2.8 Load OffPossible CausesMeasures1. Check whether an AC power failure has occurred. If yes, resume the AC power supply.2. Check whether loads are manually disconnected. If yes, confirm the reason of the manual disconnection, and reconnect the loads after the operation.3. Check whether the load disconnection voltage is set too high on the SMU. If yes, adjust it to a proper value.4. Check whether the power system capacity is insufficient for the loads due to rectifier failures. If yes, replace the faulty rectifier.5. Check whether there is AC phase failure alarm. If yes, resume the normal AC input.

4.2.9 Batt OffPossible CausesMeasures1. Check whether an AC power failure has occurred. If yes, resume the AC power supply.2. Check whether batteries are manually disconnected. If yes, confirm the reason of the manual disconnection, and reconnect the batteries after the operation.3. Check whether the battery disconnection voltage is set too high on the SMU. If yes, adjust it to an appropriate value.4. Check whether the power system capacity is insufficient for the loads due to rectifier failures. If yes, replace the faulty rectifier.5. Check whether the load current is greater than the current power system capacity. If yes, expand the power system capacity or reduce the load power.

4.2.10 Batt Loop TripPossible CausesMeasures1. Check whether the battery fuse detection cable is disconnected. If yes, reconnect the cable.2. Check whether the battery circuit breaker has tripped or battery fuse is blown. If yes, rectify the battery loop fault and then switch on the circuit breaker or replace the fuse.3. Manually switch on or switch off the battery contactor and check whether the battery current changes accordingly. If no, replace the contactor.

4.2.11 Amb. Over TempPossible CausesMeasures1. Check whether the ambient temperature alarm threshold is correctly set on the SMU. If no, adjust it based on site requirements.2. Check whether the temperature control

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Tp48300b-n04c2 v100r001 User Manual