3 - ACU User Guide Rev F

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DESCRIPTION USERS GUIDE

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ACU for NetSure 201, 501, 701 and 801Power Supply Systems

Emerson Network Power Energy Systems AB 2008 All rights reserved


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USERS GUIDE ACU for NetSure 201, 501, 701 and 801

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The contents of this document are subject to revision without notice dueto continued progress in methodology, design, and manufacturing.

Emerson Network Power Energy Systems ABSE 141 82 Stockholm

Sweden

Tel. +46 8 721 6000 Fax. +46 8 721 7177 www.emersonenergy.com


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Contents

1 General 4

1.1 Alarms 41.2 Input/output terminals 5

2

Software functions 8

2.1 Control functions 82.2 Supervision functions 182.3 Alarm management 202.4 Site status 212.5 SW Download 212.6 Setting Download 24

3 Handling the ACU from the LCD screen 27

3.1 Operation panel 273.2 Menu tree structure 28

4

Handling the ACU through the Web interface 35

4.1 Web interface requirements 354.2 Connection to ACU web server 364.3 Login 404.4 Homepage introduction 414.5 Devices 424.6 Alarms 434.7 Settings 444.8 Maintenance 534.9 Site map 55

5 Abbreviations used in this document 56


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1 General

ACU is an advanced control unit used in DC power supply systemsNetSure 201, 501, 701 and 801. It communicates with the other units of thepower supply system like rectifiers, LC and SM modules (SM IO, SM BAT and

SM AC) and manages alarm handling, data processing, voltage control, etc.

The ACU can monitor the power system locally and from a remote manage-ment system.

1.1 Alarms

The control- and the rectifier-units are equipped with LEDs that provide rele-vant information regarding system- and unit-status, and guide the servicetechnician to the right unit in case of trouble.

The alarm events are classified into different alarm categories. Different alarmcategories have different visual/audible alarms and alarm callback activities.

Table 1. ACU alarm categories.

Alarm Category Red LED YellowLED

AlarmBuzzer

AlarmCallback

Remark

Critical Alarm ON ON Yes Callback func-tion enabled

Major Alarm ON ON Yes Callback func-tion enabled

ObservationAlarm

ON OFF No

No Alarm OFF OFF OFF No

The audible alarm is silenced if the user presses any key on ACU, if the faultthat triggers the alarm is cleared or after 10 min (settable). The audible alarmcan be disabled from a menu in the LCD display.

The alarm LED stops emitting light if all the faults that trigger the alarm are

cleared.


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1.2 Input/output terminals

RS 232 Port (for EEM)

Ethernet Port

RS 485 Port

RS 232 (console port)

Input/output terminals

Figure 1. ACU with connection board.

Eight configurable digital inputs are provided on the connector board placedabove or beside the ACU. The connections to the connector board are de-scribed in the INSTALLATION INSTRUCTIONS for the respective system.

Eight potential free relay outputs are provided on the connector board. Thereare both closing and opening contacts on each output.

Note: When either the ACU or the connection board is disconnected from theback plane board the output terminals have no connection to the relays.

Three of the relays are default configured and mapped to alarms of the follow-ing alarm severity:

Relay 1 Opened: critical alarm (Critical) indicating that the power systemscontinued operation may be at risk and that the supply of the priorityloads is, or might soon be affected. Immediate action is required.Closed: normal operation.

Relay 2 Opened: normal operation.Closed: alarm (Major) indicating a failure that requires action whenconvenient from the point of view of workload.

Relay 3 Opened: normal operationClosed: alarm (Observation), signalling that the power system doesnot perform to its maximum but that the loads are not affected. No

action is required.


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1.2.1 Communication with SM modules

The ACU acquires data from SM modules (SM DU, SM IO, SM BAT and SMAC) through an RS485 port on the connection board. See Figure 1.

1.2.2 Web communication

The Ethernet port of ACU is used for Web communication via LAN or Internet.It can also be used for direct connection to a PC.

1.2.3 Remote communication with management systems

LAN

PSTN or GSM

Crossed type

Ethernet cable Modem

Regular Ethernet

cable

Regular DSUB

RS232 cable

ACUManagement

computer

Regular Ethernet

cable

Management

computerManagement

computerManagement

computer

Modem

Figure 2. Remote communication to the ACU.

The ACU supports the EEM, RSOC and SOC/TPE protocols. These protocolsare used to communicate with a power management system.

For the communication, an RS232 port is provided at the connector board fordirect connection or via a PSTN modem. This port has two DB9 contacts, oneat the front of and one inside the unit. See Figure 1. Default setting of the port:38400 bps, 8 data bits, 1 stop bit, no parity and no data flow control.

As an alternative, the Ethernet port can be used for direct or LAN connection.

1.2.4 SNMP communication

SNMP communication can be established via LAN.

Description of SNMP

SNMP is a technology used for network management. The technology isbased on implementing an information base called MIB (Managed InformationBase). This MIB contains parameters that are interesting from a managementperspective. All LAN connected equipment that support SNMP shall also sup-port a default MIB called MIB-II.

The SNMP Agent responds to requests received via the SNMP protocol andalso actively sends traps to a specified manager when certain MIB values


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change state. This is used to actively inform a manager when an alarm situa-tion is recognised.

The PCU supports MIB-II and Emersons power MIB, rev B. Contact EmersonEnergy Systems for more information.

Figure 3. Emerson power MIB layout.

1.2.5 Console port

The RS232 console port is for factory use only.


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2 Software functions

2.1 Control functions

Note: All tables refer to do cum ent Table of set values: 3/1532 BMP 903 050.

2.1.1 System voltage

The set voltage of the rectifiers is configurable from the ACU.

In case temperature compensated battery voltage control is activated, thevoltage will be adjusted in accordance with the battery temperature.

2.1.2 Temperature compensated battery voltage

To compensate for some of the negative effects on batteries caused by high

ambient temperatures, this function can be used. However, it requires connec-tion of a temperature sensor.

The function adds a correction term related to the temperature of the batteries tothe nominal value of the system voltage. The degree of regulation can be set.

The maximum influence, delta U of the function, is 2 V from the nominal sys-tem voltage.

The temperature compensation is disabled if there is a rectifier communicationfailure, DC over/undervoltage or a low voltage disconnection.

TnomTlower

Temp comp coeff

(mV/C/string)

U (V)

Batt.Temp(C)

0

Tupper

Unom

Ulow

50

100

200

Uhigh

Umax2 V

Figure 4. Temperature compensated voltage control.

Unom: Nominal voltage (value at nominal temperature). See Table 2.

Uhigh: Upper voltage level where compensation ends, 56.0 V.

Ulow: Lower voltage level where compensation ends, 47.2 V.


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Tnom: Nominal temperature, 20C (no compensation is done at this tem-perature).

Tupper: Upper temperature where compensation ends, +40C.

Tlower: Lower temperature where compensation ends, 0C.

Table 2. Temperature compensated voltage control.

Table of set valueSetting Description

Section Index

Nominal Voltage Float charge voltagelevel.

2.1.1 3

Temp Compensation Center Nominal tempera-ture for temperature

compensation.

2.1.3 2

Compensation coefficient Number of mV/degCthat the voltage will

be changed.

2.1.3 3

2.1.3 Battery boost charging

Boost charging voltage is used to reduce the charging time after a mains fail-ure and to equalise the charge level of the batteries. The charging functioncan be initiated cyclically, automatically or manually.

The battery manufacturers instructions for boost charging shall be observed.

Figure 5. Voltage course on mains failure and automatic boost charging.


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Section Index

Cyclic BC Interval Time between cyclicboost charges.

2.1.3 48

Cyclic BC Duration Duration of cyclic boostcharge.

2.1.3 49

Battery Current Limit Charge current limita-tion level.

2.1.3 50

Current Limit Enable Enabling of batterycharge current limita-

tion.

2.1.3 51

Over current Setpoint Alarm level for batterycharge current.

2.1.3 52

2.1.4 Very high battery temperature handling

If the battery temperature exceeds the very high battery temperature alarm level,the system voltage will be reduced to the defined voltage for this function.

Table 4. Very high battery temperature handling.


Section Index

Very high temperature limit Alarm level for veryhigh battery tem-

perature.

2.1.3 4

Very high TemperatureVoltage Setpoint

Voltage level duringvery high battery

temperature.

2.1.3 7

2.1.5 Battery test

The battery test has four modes, short test (requires two battery shunts), ACfails test (at mains failure), planned time test and stable current test.

Battery tests can be started either manually or automatically at scheduled in-

tervals for regular test of battery status.

For manual battery tests as well as for AC fail tests and cyclic battery tests, thefollowing parameters must be set: End voltage, Test time and Battery capacitydischarge limit.


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Figure 6. Battery test diagram.

The battery tests follow the procedure described below:

In time test mode, the output voltage of the rectifiers is reduced to the testvoltage so that only the batteries power the load. If the batteries fail, therectifiers will power the load.

In stable current test mode, the output voltage of the rectifiers is reducedso that the batteries give the preset test current to the load.

This test will continue until one of the following four situations occurs:

The preset test time, see Figure 6, expires. The battery has passedthe test.

The battery voltage drops below the preset end voltage level (Uend)(Figure 6). The battery has notpassed the test and the test is inter-rupted. An alarm Bad battery is issued in the system.

The battery capacity drops below the preset Test end battery capacity.The battery has not passed the test and the test is interrupted.An alarm Bad battery is issued in the system.

After the test, the output voltage of the rectifiers will increase again so thatthe rectifiers feed the plant and charge the batteries.

The ACU will record the battery test start/end time, battery test voltageand battery remaining capacity in the battery test log. 10 groups of batterytest data can be recorded. The user can query the test log from the ACUthrough the Web interface or via EEM.

If the AC Fail Test is enabled, the test log will also be issued at a mainsfailure. The set values for test time, end voltage and end capacity will bethe same as for Planned test. Should any of these values be exceededduring the mains failure the alarm Bad battery is issued in the system.

Test Voltage LevelU test


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Table 5. Battery test.


Section Index

Nominal Voltage Float charge voltage

level.

2.1.1 3

Planned Test Enabled Enabling of planned(scheduled) battery

test.

2.1.3 13

AC Fail Test Enabled Enabling of batterytest during mains

fail.

2.1.3 14

Test Voltage Level Rectifier voltagelevel during battery

test.

2.1.3 15

Test End Time End time for batterytest.

2.1.3 16

Test End Voltage Voltage level foractivating the Bad

Battery alarm.

2.1.3 17

Test End Capacity 2.1.3 18

Pre-BC Enabled Enabling of a boostcharge before the

battery test isstarted.

2.1.3 19

Constant current test Enabling of constantcurrent test.

2.1.3 20

Constant current test current Battery dischargecurrent during bat-

tery test.

2.1.3 21

Number of schedule Test peryear

Number of plannedtest per year.

2.1.3 22

Planned Test1 Month, day andhour (mm-dd hh) ofwhen the planned

test will be started.

2.1.3 23

Planned Test2 See above. 2.1.3 24









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Section Index




Record threshold Voltage level whena new entry in the

test log will bestored.

2.1.3 35

Short Test Enabling of shorttest.

2.1.3 36

Short Test Cycle Time between shorttests.

2.1.3 37

Max Diff Current For Short

Test

Alarm level for short

test.

2.1.3 38

Short Test Duration Time that the shorttest will run.

2.1.3 39

2.1.6 Backup control (LVD)

To prevent serious damage to the batteries during a long mains failure theloads can be disconnected by voltage-, or time-control, if LVD contactors areincluded. The software supports load disconnection in to two steps. Both LVD

contactors can be set individually to voltage or time disconnect. Load discon-nection can be activated at AC mains failure only.

Load reconnection is made automatically on the return of AC mains.

2.1.6.1 Voltage controlled disconnection

When the set voltage level is reached, the backup batteries are disconnectedfrom the selected loads.

2.1.6.2 Time controlled disconnection

When the set time has elapsed, the backup batteries are disconnected fromthe selected loads.

2.1.6.3 High Temperature Disconnection

When the High Temperature Disconnection (HTD) point is reached, thebackup batteries are disconnected from the selected loads.


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Table 6. LVD.


Section Index

LVD Need AC Fail When set to Yes, none

of the LVD will be dis-connected before thereis a Mains Failure. Thissetting is only valid in

voltage mode.

2.1.5 1

HTD Point Level for the high tem-perature disconnection.

2.1.5 2

HTD Reconnect Point Level for reconnectionafter high temperature

disconnection.

2.1.5 3

HTD Temp Sensor Temperature sensorthat will be used for

high temperature dis-connection.

2.1.5 4

LVD Enabled Enabling of an individ-ual LVD.

2.1.6 1

LVD Mode Mode for LVD discon-nection.

2.1.6 2

LVD Voltage Voltage level for dis-connection.

2.1.6 3

LVD Time Time between mainsfailure and LVD dis-connection.

2.1.6 4

LVD reconnect voltage Voltage level for re-connection. This volt-

age is comparedagainst the rectifier

output voltage.

2.1.6 5

LVD reconnect delay Time between that thereconnection voltage isreached and reconnec-

tion.

2.1.6 6

LVD dependency Dependency betweendifferent LVD. The LVD

that is depending onanother LVD will not be

disconnected beforethat LVD.

2.1.6 7

High Temp Disconnect Enabling of high tem-perature disconnectionfor an individual LVD.

2.1.6 8


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2.1.7 Energy management

Energy management is an advanced function, which can save money for cus-tomers. It includes:

2.1.7.1 Energy saving

Reduces the mains energy consumption during high tariff periods.

Can make the power consumption rate lower than a given limit.

2.1.7.2 Rectifier redundancy

The rectifier redundancy function maintains a configured redundancy level byswitching on/off rectifiers depending on the actual load on the system.

Which rectifiers that are switch on/off is cycled periodically.

The rectifier redundancy is calculated according to the following formula,Redundancy = (((NoOfRectOn * RectCap) Load ) / RectCap) *100.

NoOfRectOn => Number of rectifiers turned on.RectCap => Rectifier rated capacity.Load => Load current.

When the Redundancy is below the Min Redundancy setting one rectifier willbe turned on. If Redundancy is very much below the Min Redundancy settingall rectifiers will be turned on.

When the Redundancy is above the Max Redundancy setting one rectifier willbe turned off.

Table 7. Rectifier redundancy.


Section Index

Redundancy Enabled Enabling of the rectifierredundancy.

2.1.2 6

Pre-Currlmt for Redund Enb Enabling of currentlimitation before a recti-

fier is turned on.

2.1.2 7

Min Redundancy Level for turning onrectifier.

2.1.2 8

Max Redundancy Level for turning offrectifier.

2.1.2 9

Switch-off Delay Delay between turningon a rectifier and turn-ing off another rectifier.

2.1.2 10

Cycle Activation Hour Hour of the day whenthe cycling of rectifiers

will take place.

2.1.2 11

Cycling Period Time between rectifiercycling.

2.1.2 12


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2.2 Supervision functions

2.2.1 Fuse (circuit breaker) alarms

If a distribution or battery fuse (circuit breaker) that has a load connected hasblown (tripped) due to overcurrent or short-circuit or has been removed(manually tripped), alarm is initiated.

2.2.2 Voltage alarms

Two overvoltage and two undervoltage levels are supervised.

Table 9. Voltage alarms.


Section Index

Under-voltage 1 Level Level for activation of undervoltage 1 alarm. Deactivation

level is 0.5V higher.

2.1.1 4

Under-voltage 2 Level Level for activation of undervoltage 2 alarm. Deactivation

level is 0.5V higher.

2.1.1 5

Over-voltage 1 Level Level for activation of overvoltage 1 alarm. Deactivation

level is 0.5V lower.

2.1.1. 11

Over-voltage 2 Level Level for activation of over

voltage 2 alarm. Deactivationlevel is 0.5V lower.

2.1.1 12

2.2.3 Battery temperature supervision

The battery temperature can be supervised by means of a temperature sensormounted on one battery cell.

Alarms are provided in two steps in case of high temperature.

There is also an alarm at low battery temperature.

To activate the alarms the temperature sensor must be enabled.

Table 10. Battery temperature supervision.


Section Index

Very High Temperature limit Level for activationof very high tem-

perature alarm. De-activation level is

1C lower.

2.1.3 4


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Section Index

High Temperature limit Level for activationof high temperaturealarm. Deactivation

level is 1C lower.

2.1.3 5

Low temperature limit Level for activationof low temperaturealarm. Deactivationlevel is 1C higher.

2.1.3 6

Temp Sensor Enabled Enabling of tem-perature alarms.

2.1.3 8

2.2.4 Ambient temperature supervision

Alarms are provided in case of high or low ambient temperature.

To activate the alarms the temperature sensor must be enabled.

Table 11. Ambient temperature supervision.


Section Index

High Ambient TemperatureLimit

Level for activationof high temperaturealarm. Deactivation

level is 1C lower.

2.1.1 8

Low Ambient TemperatureLimit

Level for activationof low temperaturealarm. Deactivationlevel is 1C higher.

2.1.1 9

Temp Sensor Enabled Enabling of tem-perature alarms.

2.1.1 10

2.2.5 Mains supervision

In case of mains failure from all rectifiers, the ACU interprets it as a generalmains failure. If the rectifier is of a type that is not fed from the DC side, thenthe ACU will consider a communication failure with all rectifiers as a generalmains failure.

2.2.6 Extended mains supervision via SM-AC

Detailed supervision of AC supplies from mains and diesel generator can beimplemented with SM-AC units. See documents for the SM-AC unit.


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2.2.7 Rectifier supervision

In case of mains or rectifier failure, alarms are sent to the ACU.

2.2.8 Periodic maintenance

The ACU can be configured to give alarm at a preset interval to indicate theneed for system maintenance.

The maintenance alarm will be deactivated when the alarm time has passedor when deactivated manually.

Table 12. Periodic maintenance.


Section Index

Maintenance Alarm Time Time until the main-tenance alarm is

deactivated auto-matically.

2.1.1 6

Maintenance Interval Time between acti-vation of the main-

tenance alarm.

2.1.1 7

2.3 Alarm management

2.3.1 Alarm severityThe severity of all predefined alarms can be set.

2.3.2 Incoming alarms

The digital alarm inputs can be configured as to name, severity and polarity.

2.3.3 Outgoing alarms

The output alarm terminals can be configured by selecting the alarms withcombinations in between them.

2.3.4 Security

All settings of the ACU can be password protected. There are four different levelsof passwords that can be entered via the LCD display and the Web interface.

New users with their individual authority level can be created by the adminis-trator via the Web interface. The ACU has a default administrator with user IDadmin (not changeable) and the password 1 (changeable via the Web inter-face).


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Privilegelevel

User group User authority

Level A Browser All users can browse power information without anywriting permission.

Level B Common

user

Set the parameters, control and operate the DC

Power System

Level C Engineer Browsing, control, modifying parameter, downloadingconfiguration file, but except updating application anOS and modifying, adding, deleting user information(user name, user level, password).

Level D Administrator Full access that include updating application an OSand modifying, adding, deleting user information(user name, user level, password)

2.4 Site status

The software presents detailed information on measured data, alarms, alarmhistory, equipment data and site inventory.

2.5 SW Download

The PC software, ACU SW Download Tool, is needed to run the SW download.

Before the ACU SW Download Tool is started the PC will need to be con-nected to the ACU, see section 4.2 for details.

Note! Do not power off the ACU or interrupt the Ethernet connection dur-ing the download.

Follow these steps to run the ACU SW Download Tool:


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1. Start the ACU SW Download Tool by double clicking theACU_SW_Download_R2A.exe file.

2. Select or enter the IP address of the ACU and click OK.

3. Select the SW Package to download and click Open.


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4. When connection to the ACU is verified click Nextto start the download.

5. The download process will run automatically until the ACU is up andrunning. This will take about 5-10min.

6. When the download is finished click the Closebutton to exit the ACUSW Download Tool.


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2.6 Setting Download

The PC software, ACU SW Download Tool, is needed to run the settingdownload.

Follow these steps to run the ACU SW Download Tool:

1. Start the ACU SW Download Tool by double clicking theACU_SW_Download_R2A.exe file.

2. Select or enter the IP address of the ACU and click OK.


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3. Change the Files of typeto Parameter and select the SettingParam.runfile.The file must be named SettingParam.run.

4. Click Open.


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5. When connection to the ACU is verified click Nextto start the download.

6. The download process will run automatically until the ACU is up andrunning. This will take about 5-10min.

7. When the download is finished click the Closebutton to exit the ACU

SW Download Tool.


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3 Handling the ACU from the LCD screen

The display is graphical. It provides extensive information regarding systemstatus and allows system parameters and settings to be checked and ad-justed.

Only a person who is adequately trained and is authorized may change thevalues set in the ACU. The value settings can be made by using the keys andthe display of the ACU.

3.1 Operation panel

The ACU has an LCD screen with backlight, function keys and indicator LEDs.For fixing the unit to the cabinet slot there is a handle with a locking latch.

O p e r a t i o n i n d i c a t o r

A la rm in d ic a to r

P r o t e c t i o n i n d i c a t o r

L C D

F u n t i o n k e y s

H a n d le w it h la t c h

Figure 7. ACU front panel.

3.1.1 LEDs

LEDNormalStatus

AbnormalStatus

Cause

Operation Indicator(Green)

ON OFF No Power Supply

Protection Indicator(Yellow)

OFF ONDC Power has an ob-

servation alarm

Alarm Indicator(Red)

OFF ONDC Power has a majoralarm or critical alarm.


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3.1.2 Function keys

The keys are used to move through the display menus.

KeyName of

KeyFunctions

ESCReturn

Key

Press this key to back to pre-vious menu or cancel a set-ting of a parameter.

ENTEnterkey

Press this key to go to nextmenu, highlight editable areafor parameter setting or vali-date the change made to aparameter setting.

Press ESC and ENT togetherto reset ACU

Up

Down

Pressorto scroll

through the menus.

Left

Right

Pressorto change the

value of a parameter. In Initial

Screen, pressorto

adjust the contrast of LCD.

These four arrow keys can beused to change the value of a

parameter:Pressor to move

the cursor to the parameter to

be changed and pressor

to change the value of a

parameter.

Note: The keypad sound can be set on/off from the display menuParameter Set/System Param/Keypad Sound.

3.2 Menu tree structure

3.2.1 ACU initialising screen

After the ACU starts up its LCD display, the following screen will offer the userto select language. The user can select between English and a local language

in the screen by pressing and.

SpanishEnglish

When pressingENT the default main screen will appear.

Note: If no key has been pressed for 30 seconds, the default screen willappear automatically.


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3.2.2 Default main screen

2005-08-20

53.5 V

Auto No Alarm23 A

Float Charge

15:18:25

53.5 V

Auto No Alarm

23 A

Float Charge

The screen alters between date and time:

ESC ENT

ESC ENT

Figure 8. Default main screen.

The information is dependent on the configuration information such as theequipment Type, signal ID and display location.

Pressorto scroll.

Pressandand ESC together to log out (The password will be invalid).

Pressorto change the contrast of the LCD.

Press ENT and ESC together to reset the ACU.

Press ENT to enter the main menu.

Press ESC once to see the ACU serial number and software revision.

Press first ESC and then ENT twice to see the configuration revision.(For example EMEA_2_R2A)


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Figure 10. Main menu tree.

To reach the Maintain or Parameter Set menu, a password is required.


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3.2.4 Running Info menu

Figure 11. Running Info Menu tree.

In this menu, equipment status information, active alarms and alarm historycan be selected. There are 50 active alarm information screens in ActiveAlarm Menu and can be displayed. There are 400 History Alarm and can bedisplayed in History Alarm Menu.


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Under sub-menu Site Inv the Site Inventory page displays information aboutthe units connected to the ACU. The page is automatically updated when unitsare exchanged or when new units are connected to the system.

Note: In the site inventory the rectifiers are numbered (1,2,3.) accordingto their order of serial numbers. By moving a rectifier to another placein the subrack its position and order number can be made equal.

3.2.5 Maintenance menu

Figure 12. Maintenance Menu tree.

After entering a password of level B, or higher (see item 2.3.4), the user can

control the following functions manually:


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Note: Some settings can only be reached after setting the ACU System toMan state (Parameter Set/ACU System/Auto-Man State).

Note: Be careful when using the low voltage disconnect control function(LVD Ctrl) that may disconnect the load!

3.2.6 Parameter Set menuAfter entering a password of level B, or higher (see item 2.3.4), the user canset parameters according to the document TABLE OF SET VALUES3/1532-BMP 903 050.

3.2.6.1 Alarm Param

From these menus it is possible to configure alarm categories. Furthermorethe audible alarm can be blocked and the alarm history can be cleared.

3.2.6.2 System settings

System parameters like language, date, time, IP address, subnet mask, de-fault gateway, Reload Config (reset to default) and Keypad Sound are set inthese menus.


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4 Handling the ACU through the Web interface

The ACU is equipped with a web server with a default IP address 192.168.0.1.The ACU web server can be connected to a PC:

directly by using a crossedtype network cable

through a LAN

through a WAN (For safety reasons, it is not recommended to connectthrough the Internet)

The ACU is accessed through the Ethernet port at the front of the connectingunit. See Figure 13.

LAN/WAN

Crossed typeEthernet cable

Regular Ethernet cable

ACULaptop or PC wit hMS Internet Explorer

Regular Ethernetcable

Laptop or PC with

MS Internet Explorer

Figure 13. Remote communication to the ACU.

4.1 Web interface requirements4.1.1 Hardware

Computer/processor: 486DX/66 MHz or higher processor.

Network card.

Ethernet network cable

Crossed Ethernet network cable (necessary only when direct connectionis used).


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4.1.2 Software

Web browser Internet Explorer version 5.0 or later.

If you have an earlier-version web browser installed, download the latest ver-sion from http://www.microsoft.com and follow the instructions to install thenew browser.

For information about available-memory requirements and hard-drive spacerequirements, see system requirements for the chosen web browser.

4.2 Connection to ACU web server

Note: PC settings may differ depending of operative system. The examplesbelow are from Windows 2000.

4.2.1 Direct connection

This procedure is highly recommended for installation.

Connect the computer to the ACU directly if they are placed maximum 15 me-tres from each other. Follow the steps described below to connect them:

1. Check that your computer is equipped with a network card.

2. Connect the computer to the ACU by using a crossed type network cable.Connect one cable connector to the network card on your computer.Connect the other cable connector to the Ethernet port placed at the frontof the connecting board.

3. Check the IP address and the subnet mask of the ACU web server in thedisplay menu Parameter set/System param/IP Address.

Default settings:IP address: 192.168.0.1Subnet mask: 255.255.255.0

4. Open the Control Panel/ Network and Dial-up Connectionsof your com-puter.

Note: In order to return to the original configuration, note down the parame-ter settings before modifying them.


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5. Select the network connection and open its Properties under File in thetoolbar to pop up the following screen:

6. Select the Internet Protocol (TCP/IP) and click Properties.


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7. Click the circle Use the following IP address:

8. Set an IP address of the PC. It should be one number higher orlower than the ACU web servers IP address.The subnet mask should be the same as the ACU.

Example:

ACU: IP address is: 192.168.0.1subnet mask is: 225.225.225.0

The PC should be set to:IP address: 192.168.0.2subnet mask: 225.225.225.0

It is possible to check and change the ACU web servers IP address and sub-net mask in the display menuParameter set/System param/IP Address.

9. Click OK in this and the next screen.

10. Click Back in the screen Network and Up-up Connectionsto return to theControl Panel.

11. Open Internet Options in theControl Panel.

12. Select the tab Connections and click the circle Never dial a connection.

13. Click the button LAN Settings.

Click here


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14. Uncheck the box Use a proxy server for your LAN and click OK to finishthe LAN setting.

4.2.2 Connecting via LAN or WAN

Note: For safety reasons, it is not recommended to connect to the ACU web

server through the Internet (although it is possible).

1. Connect a standard network cable between the Ethernet port placed at thefront of the connecting board and a LAN outlet.

2. Check that your computer is equipped with a network card and is con-nected to your LAN and/or WAN (via a standard network cable).

3. Check that your services, protocols and adapters are correctly installedand configured. If you are not sure how your computer is to be installedand configured, contact your network administrator for advice. The net-work connection to be used is an ordinary TCP/IP (Internet) connection.

4. Connect to the ACU web server by entering the Web servers IP addressor domain name. Use the settings that were made in the installation.

5. It is possible to change the web servers IP address in display menuPa-rameter set/System param/IP Address.

Uncheck

here


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4.3 Login

Note: The ACU software needs Internet Explorer version 5.0, or later.

1. To log in the ACU, double-click the icon of Internet Explorer to run the

software.

2. Type the IP address of the ACU and press ENT.The following Web interface will pop up for ACU information (includingsoftware and configuration version), selecting the homepage languageand login.

Figure 14. Login page.

3. Enter the username (default: admin) and password (default: 1) to log in tothe ACU, and the following homepage screen will show.

configurationversion


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4.4 Homepage introduction

Figure 15. ACU Home page.

In the Homepage screen, the left part displays the NetSure type number,the menus of Devices, Alarms, Settings, Maintenance, Query, Sitemap and at the bottom date, and time.

The top right part displays (by default) the system status. Three buttons forSample, Control and Setting are used to open different sub-pages.

The alarm survey is displayed in the middle of the screen. It can be hidden byclicking the arrow on top of it and set for automatic popup at an alarm bychecking the Auto popup square.

A status bar is displayed at the bottom of the screen.

Click here to hidethe alarm survey


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When data for a sub menu is transferred from the ACU, the following screen isdisplayed:

Figure 16. Loading data indication.

If the screen is empty and the text Loading data does not appear, there isno data to display from the selected menu.

4.5 Devices

As shown in Figure 15, the menu Devices has the sub-menus of equipmentgroups such as ACU System, Rectifier Group, Battery Group, DC Distri-bution, Battery Fuse Group, LVD Group and SM IO1. A user can checkthe sample data of the equipment, set the equipment parameters and controlthe equipment by operating these sub-menus.

Note: The equipment groups displayed depend on the equipment con-nected to the system.


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4.5.1 Device parameter settings

When browsing the control- and setting-values of the system devices, somesettings are blocked (the set button is grey). The reason is that the setting de-pends on another setting or that the user authority level does not approve achange of the setting.

Figure 17. Example of blocked setting.

4.6 Alarms

In any screen, click the icon located in the middle bottom part of the

screen to pop up the alarm screen. See Figure 16.

Figure 18. Alarm screen.

By clicking the buttons Observation, Major or Critical the respective alarmcategory will be displayed separately.

Blockedbutton


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4.6.1 Alarms history

To view the alarms history, click the submenu History of Alarms, historyalarm query screen pops up.

In the screen, first select device (All device, for example).

Enter the start time and end time of the desired alarms history.

Click Query.

The alarms history recorded for the desired period will be displayed.

Figure 19. Alarms History.

By clicking Download the list can be stored to the PC as a text file.

4.7 Settings

From the sub menu SETTINGS a number of system- and communication-settings can be made.

4.7.1 Network configuration

On this page, the IP address, the subnet mask and the default gateway forcommunication over the Ethernet interface are to be set.

Note: After modifying the IP address, be sure to re-log in the ACU with thenew IP address, since the communication will be broken when chang-ing the IP address.


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4.7.2 NMS configure

On this page, the trap addresses for Simple Network Management Protocolare to be set.

4.7.3 MC configuration

The EEM protocol is used for communication between the Main Computer andthe ACU. The Main Computer is the computer superior to the ACU (the clientof the ACU). On this page, all parameters needed for communication with amain EEM computer are to be set.

4.7.4 User configuration

On this page, users, their authority and password are configured. For authoritylevels, see item 2.3.4.

4.7.5 Edit PLC Config

By combining the equipment analogue signals, parameters and alarms newalarms can be configured from the Programmable Logic Controllers menu.An alarm can then be related to a digital (relay) output of the ACU.

4.7.5.1 Default Setup

The default setup of the relays is that:

Relay1 will be activated when the ACU is fully started and there is no

critical alarm active.

Relay2 will be activated when there is any major alarm active.

Relay3 will be activated when there is any observation alarm active.

This means that if all the three relays are connected in the same way, then re-lay1 will be inverted.


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4.7.5.2 Column Description

Operator

The Operator column explains the type of function that will be performed. Thelist of operators is shown in the symbol information table, from line 3 anddown.

Input 1

The INPUT 1 column is dived in three sub-columns, which are described be-low.

EquipName/Register

This column shows the equipment that the chosen signal is connected to(equipment is not necessarily connected to a physical device. One equipmentcan be connected to several physical devices and vice versa).

The equipment can be replaced by a register. Every register is given a uniquenumber between 0 and 99. A register works a temporary storage place thatwill be cleared after every run of the PLC function.

Signal Type

This column shows of which type the chosen signal is.

The ACU has four different signal types:

Sample (measured or calculated values or status)


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Control (control of different functions or events)

Setting (different kind of settings)

Alarm (alarms, these signals will only be activated if the alarm categoryis set to anything else than NA)

Signal Name

This column shows which signal that is chosen.

Input 2

See Input 1.

Param 1

This column shows if any parameter is used.

A parameter is just a way to enter a value, which can be used in compares

with signals.

Param 2

See Param 1.

Output

The Output column is divided in three sub-columns, which has the same in-formation as for the inputs. See EquipName/Register, Signal Type and SignalName for more info.

4.7.5.3 Work Flow of The PLC FunctionThe PLC function normally runs every 10sec. It starts by executing the firstline and stores the result in the output signal/register. Then executes the nextline and continues executing line by line until it reaches the end.

The PLC function will be stopped if the ACU is set to Manual Mode.

4.7.5.4 Adding a New Line

Click theAddbutton and the window below is shown.


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1. Choose the type of operator. The web page will disable some boxes thatare not applicable for the type of operator chosen.

2. Select Signal or Register for Input 1.

3. Enter either the register number or choose the equipment, signal typeand signal name. The format for entering a register is R(x), where x is

the number of the register.

4. Setup Input 2 in the same way as Input 1 if its not disabled.

5. Enter Param 1 and Param 2 if they are not disabled. The format for en-tering a parameter is P(x), where x is the value.

6. Select Signal or Register for the Output.

7. Enter either the register number or choose the equipment, signal typeand signal name.

4.7.5.5 ExamplesConnecting One Alarm To A Relay

This example will describe how to set up relay 4 so that it will be activatedwhen the High Battery Temperature alarm is active.

This will be done by using OR operator and chose the High Battery Tempera-ture alarm for both inputs.


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5. Set up Input 2. Do step 4a to 4d but for Input 2. The window shall looklike below.

6. Set up Outputa. In the choice between Signal and Register, select Signal

b. Choose the equipmentACU System

c. Choose the signal type Control


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d. Choose the signal name DO 4

7. Click theAddbutton

8. The following pop-up shall be shown


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9. Restart the ACU from the Restore Defaultpage

4.7.6 Power Split

On this page the Power Split function can be enabled. And the LVD, BatteryTest and Boost Charging can be set up for control from the master system viadigital inputs. For more settings connected to Power Split see ACU System.

4.7.7 Time synchronization

On this page, the system time and date are to be set.Automatic time synchronization from time servers can also be configured.

4.8 Maintenance

From the maintenance pages, parameter settings can be uploaded from theACU, some resets can be made and signal names can be configured.


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4.8.1 Clear data

On this page, the system logs can be cleared.

4.8.2 Restore default

When clicking the button Restore default on this page, all adjustable parame-ters will be restored to default settings (the values the system had at delivery,or that were stored by the user in a configuration file).

When clicking the button Reboot ACU the ACU program restarts but no set-tings are changed. Some settings demand a restart to become active.

4.8.3 Site inventory

The Site inventory page displays information about the units connected to theACU. The page is automatically updated when units are exchanged or whennew units are connected to the system

4.8.4 Get setting parameter

Through this function, current parameter settings can be retrieved from theACU. They can then be downloaded to another ACU via the SW DownloadTool.

Note: Both ACUs must have the same software and configuration versions for cor-rect function after transferring parameter settings.

4.8.5 Auto Configuration

When the Auto configuration function is started the ACU will search for con-nected SM-DU units and SM-AC units. This will take about 5-10min, during thesearch it will not be possible to login to the ACU web pages or the display.

Before the auto configuration is started the user must set the correct AC Unittype in the AC Group Settings.

4.8.6 Modify configuration online

Site specifications, device names, signal names and alarm categories can bemodified from these pages.


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4.9 Site map

Figure 20. Site map.

This page displays the headings and underlying pages of the web interface. Clickon the hypertext links to go to the page in question. Some pages are dependenton which units are connected to the ACU.


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5 Abbreviations used in this document

AC Alternating CurrentACU Advanced Control UnitDC Direct Current

EEM Emerson EnergyMasterENERGYMASTER is a registered trademark ofEmerson Network Power Energy Systems AB

ENT EnterESC EscapeESR Energy Supervision ReportGSM Global System for Mobile communicationIO Input OutputIP Internet ProtocolLAN Local Area NetworkLC Local Computer

LCD Liquid Crystal DisplayLED Light Emitting DiodeLVD Low Voltage DisconnectMIB Managed Information BaseNMS Network Management SystemOS Operating SystemPC Personal ComputerPLC Programmable Logic ControllersPSTN Public Switched Telephony NetworkSM Supervision ModuleSNMP Simple Network Management ProtocolWAN Wide Area Network

Documents

3 - ACU User Guide Rev F