MBX20-(5/7/9) - MECOS · MBX20-(5/7/9) Datasheet / Specification Validity: BG20015-xxNx, BG20017-xxNx, BG20019-xxNx Purpose: Technical Information about the MBX20 family MDT Doc:

Datasheet / Specification

MBX20 AMB Control System

Datasheet / Specification 04.09.2018

MECOS AG, Hardstrasse 319, CH-8005 Zürich, Tel +41 52 355 52 11, www.mecos.com Page 1 of 16

MBX20-(5/7/9)


Validity: BG20015-xxNx, BG20017-xxNx, BG20019-xxNx

Purpose: Technical Information about the MBX20 family

MDT Doc: 10001628888 001 Rev. 03

Active Magnetic Bearing (AMB) Control Cabinet for large Turbomachinery with 5, 7 or 9 axes AMB system

KEY FEATURES

Modular design for turbo machinery with up to 9-axes AMB system

20kVA output power per channel Up to 300m cable length without additional

amplifier 3x400V input voltage, backed up by an UPS Inductive position and pulse sensors Digital I/O, analog outputs, relay outputs

Field bus interface to connect the AMB system to a master control system

Fully digital control system Automatic sensor calibration Data und event logger 1600 x 800 x 2100mm, incl. 100mm plinth Redundant auxiliary 12V/24V power supply

Data and properties provided in this document comply with the current state of development. Despite careful and accurate review of this document, accuracy of the data provided cannot be guaranteed. Data and specifications are subject to change by MECOS without further notice. Liability for consequential damage resulting from the use of MECOS products is excluded

http://www.mecos.com/





CONTENT

KEY FEATURES 1

CONTENT 1

CONTROL CABINET 4

ACTUATOR POWER SUPPLY / POWER ELECTRONICS 7

SENSOR ELECTRONICS 8

INTERFACE OVERVIEW 9

INPUTS AND OUTPUTS 10

COMMUNICATION INTERFACES 12

BNC INPUTS AND OUTPUTS (OPTIONAL) 13

IPC / INTERNAL ETHERNET NETWORK 13

CONTROLLER AND SOFTWARE 14






TYPICAL APPLICATION

Superior Control

System

(UCP, DCS,

etc.)

ControllerMachine

Supply System

for Power

Amplifiers

Cabinet Door

Industrial PC

Extended Logging

Remote Maintenance

Status Display

& Keypad

USB

Ethernet

UPS

Turbo Machinery / SkidMECOS

Control CabinetCustomer Control

Systems

Switch /

Firewall

Position Sensors

Temperature Sensors

To Customer

LAN / WAN

Power Amplifier

Power Amplifier

Power Amplifier

Power Amplifier

Power Amplifier

Mains

Digital I/O

Analog I/O

Profibus

BNC Inputs

and Outputs

X/Y

Radial Bearing A

Power Amplifier

Power Amplifier

Power Amplifier

Power Amplifier

Pow

er

IJB

Sig

nal IJ

B

Z

Axial Bearing

X/Y

Radial Bearing D

X/Y

Radial Bearing C

X/Y

Radial Bearing B

Legend:

Extension for 9 axes AMB system

Power Connection

Data & Maintenance

Bearing Control & FeedbackBearing Power

5 axes AMB system

Extension for 7 axes AMB system






CONTROL CABINET

AMBIENT CONDITIONS

General Indoor, non-hazardous, safe area

Temperature Range +0 to +30°C Temporary up to 40°C is possible, but the lifetime of the UPS batteries will be reduced

Maximum Working Altitude 2000 m ASL, above, output power is limited

Relative Humidity Up to 95 %, non-condensing

POWER SUPPLY / LOSSES

General Mains power supply is fully backed up by a cabinet internal UPS, for a rundown without de-levitation of the rotor in case of a power failure.

Rated Mains Power 20kW

Nominal Mains Voltage 3 x 400V +6%/-10%

Mains Type 3P+N+PE

Nominal Mains Frequency 50/60Hz +/-5%

Operating Current Typical continuous standby current1 (Rotor levitated): 14A Max current: 33.3A

UPS VFI SS 111 classified acc. to EN 62040-3:2001 Battery type: VLRA, maintenance free

Max. Cabinet Losses Approx. 7kW

Standby Power Consumption1 (Rotor levitated)

5-axes configuration: approx. 3.7kW 7-axes configuration: approx. 4.3kW 9-axes configuration: approx. 4.8kW

Auxiliary Power Supply 24VDC dual redundant for power electronic fans 12VDC dual redundant for AMB controller

Overvoltage category Category II

1 Typical estimated values for a standard setup. Values depending on AMB losses, cable length, ambient temperature,

controller settings, machinery alignment and UPS battery charging status.






MECHANICAL DATA

Overall Dimensions W x D x H (Same Dimension for 5 / 7 / 9 Axes Cabinet)

1600mm x 800mm x 2100mm including 100mm plinth

Weight 5-axes configuration: approx. 1100 kg 7-axes configuration: approx. 1150 kg 9-axes configuration: approx. 1200 kg

Cabinet Model / IP Rating Rittal TS8 / IP54

Cabinet Doors 2 doors, each with a door stay for escape routes and 180° hinges.

Air Inlet and Outlet Front doors. Total 4 temperature controlled fans (2 x 100% cooling power)

Door Locking System Magnetic interlocking, key switch at front door for manual override.

Cable entry Bottom, right hand side Standard Rittal cable entry system

Field Cable Connections All signal and power connections accessible via block terminals

Wiring / Cable Ducts Halogen-Free Color code and marking acc. to MECOS standard

Component Marking PMMA labels

Overall Cabinet Noise Level Max. 75dB(A) when all fans (main cabinet fans, amplifier fans, UPS fan) are running at full speed






CABINET LAYOUT

Top View

Door stays for escape routes, doors with 180° hinges

Escape opening range Escape opening rangeNormal opening range

Front view Side View A - A

Air out

Air in

Cable Entry

Cable Entry






ACTUATOR POWER SUPPLY / POWER ELECTRONICS

Rated Output Power 20kVA per channel

DC Link Voltage (Intermediate Circuit) +/-300VDC

Output Voltage -300 to +300V, filtered PWM signal

Output Current 22A continuous, 33A peak

PWM-Frequency 10 kHz

Cooling Dual redundant fans for each power amplifier

Number of bearings 5-axes configuration: 1 thrust bearing (1 axis) 2 radial bearings (2 axes each) 7-axes configuration: 1 thrust bearing (1 axis) 3 radial bearings (2 axes each) 9-axes configuration: 1 thrust bearing (1 axis) 4 radial bearings (2 axes each)

Magnetic Bearing Type Unipolar bearing

Power Cable Connection Type Spring-type terminals






SENSOR ELECTRONICS

POSITION AND PULSE SENSORS

Nominal Power of Excitation 2x5W@100Ohm

Sensor Type Inductive

Number of Sensor Channels There is the possibility to read a second axial position sensor and a second pulse sensor (number in brackets)

5-axes configuration: 5(6) position + 1(2) pulse 7-axes configuration: 7(8) position + 1(2) pulse 9-axes configuration: 9(10) position + 1(2) pulse

Impedance Matching The sensor interpretation (measurement, processing) unit requires a impedance matching unit type SMX7. For all configurations (5/7/9 axes), 2 SMX7 units are used. ATEX Certification AMB sensors: Ex ‘e’ ATEX Certification SMX7 Ex ‘e’ / Ex ‘m’

Signal Cable Connection Type Spring-type terminals

TEMPERATURE SENSORS

Sensor Type PT100, Ex ‘e’ certified

Operating Current 1mA

Number of Sensor Channels 6

Sensor System 2 or 4 wire system applicable

Signal Cable Connection Type Spring-type terminals






INTERFACE OVERVIEW

The MBX20 Control System is equipped with the herein listed communication interfaces. More detailed information about functionality and properties of each interface can be obtained in the chapters following the table.

Digital Outputs 5 digital outputs, dry contacts

Digital Inputs 3 digital inputs, galvanically isolated

Analog Outputs 1 analog, galvanically isolated output

Special 1 Input for Compression System Depressurised

Ethernet based Service Interface For configuration, maintenance and extended fault diagnostics

Fieldbus Profibus interface to transfer AMB data to a superior control system.

Display 4x20 character display with 6 button keypad for basic control and readings

BNC In- and Outputs 32 analog system signal outputs, 1 pulse output, 8 analog inputs






INPUTS AND OUTPUTS

DIGITAL OUTPUTS

Number of Outputs 5

Isolation type and voltage Relay, 2.5kV

Description 1 NO(1 NC, not used) contact per relay, 1 common terminal Maximal 2A/250VAC

Functionality Interlocks to superior control system sequence Common shutdown/alarm to superior control system sequence

Cable Connection Type Spring-type terminals

DIGITAL INPUTS

Number of Inputs 3

Isolation type and voltage Optocoupler, 250VAC

Description Inputs using a common ground, supplied from cabinet internal 24V source. To be switched with dry contact in superior control system.

Functionality Commands from superior control system sequence







ANALOG OUTPUTS

Number of Outputs 1

Isolation type and voltage Optocoupler, 250VAC

Description Isolated output, 4-20mA or ±10V

Power Supply Internal isolated 24VDC source

Accuracy 0.5% of total range

Load Maximal 500 ohms

Functionality Rotor speed for superior control system sequence


SPECIAL INPUT

Number of Inputs 1

Description Input supplied from cabinet internal 24V source. To be switched with dry contact in superior ESD system.

Power Supply Internal 24VDC

Functionality Compression System Depressurised Input from superior ESD system to switch off DC Link and bearing actuators when compression system is depressurized.







COMMUNICATION INTERFACES

SERVICE INTERFACE

Functionality One (1) interface for maintenance and remote access as well as configuration and external data processing

Communication protocol MECOS uses a proprietary protocol based on Ethernet. Access via industrial computer (IPC)

PROFIBUS

Functionality One (1) interface to connect the AMB system to a superior control system (output of operating parameters)

Type Profibus DPV1

Configuration Cyclic (152 bytes): For dynamic values, e.g. rotor vibration, rotor position, bearing temperatures, system state, etc. Acyclic data: For quasi static values, e.g. signal ranges, alarm and trip values, etc. Addressing according MECOS standard

DISPLAY

Functionality Interface for basic control of the AMB system, basic diagnostics, status and value readings

LCD 4x20 characters

Keypad 6 control buttons

Mounting Control panel front door






BNC INPUTS AND OUTPUTS (OPTIONAL)

Functionality Analog inputs and outputs for measurement purposes

Number of Channels 1 pulse output, 8 analog inputs, 32 analog outputs

Connectors BNC

Description Configurable via DIP switches: 0..10V / -10..+10V / 0..20mA/4..20mA Gain and offset configurable by parameter file

IPC / INTERNAL ETHERNET NETWORK

Ethernet Infrastructure: Internal Ethernet network consist of following components: - 5 Port HUB - IPC - MDT mGuard for remote access via VPN tunnel - Internal and external connection possibilities

IPC Industrial PC for extended data logging and router for remote access Type: Simatic IPC227D (Nanobox)

IPC Software MECOS SMServer and Datalogger

Connections Front Door: - RJ45 Ethernet connector for maintenance

purposes - USB connector for alternative data

transfer and remote access write release Cabinet internal:

- RJ45 Ethernet connector for customer LAN or internet connection (for remote access only)






CONTROLLER AND SOFTWARE

SYSTEM CONTROLLER

Powerful multicore controller

Well-proven software and robust algorithms

Digital control of the power amplifiers

Digital signal processing of the sensor signals grants high robustness of the system and low noise

Extensive service interface functionality for efficient commissioning und maintenance

CONTROL FEATURES

Fully digital control path

Efficient pass through of bending criticals of the rotor by creating synchronous damping forces

Adaptive tracking filters aim at eliminating synchronous forces due to unbalance

Automatic calibration of the position sensors

Solid rotor position measurement due to compensation of periodic interference signals

TREND DATA / DATA LOGGING

Functionality Logging of long term trend data

Logging Rate 1 Hz

Data Storage Industrial computer

Data Capacity Minimal 1 year of logging data

EVENTLOGGER

Functionality Logging of events Events are defined as state changes within the MBX20 system (e.g. switching of an I/O)

Logging Rate Event triggered

Data Storage 150 events on the system controller, event data will be automatically exported to the industrial computer






FAULT HISTORY AND FAULT /FAST LOG

Functionality Logging of system variables in case of a trip or alarm Records chronological trend of variables Variables logged are configurable by a parameter file

Logging Rate / Recording Time Circular buffered loggers: Fault Log: 50Hz / ±30s, trigger adjustable Fast Log: 10kHz /±100ms and 1kHz /±30s Circular buffer data will be stored in case of a fault.

Data Storage Fault Log: 150 events on the system controller Fast Log: 2 events on the system controller Data and fault history will be automatically exported to the industrial computer.






MECOS AG Hardstrasse 319 CH-8005 Zürich Tel.: +41 (0)52 355 52 11 Fax.: +41 (0)52 355 52 24 [email protected] www.mecos.com Technische Änderungen vorbehalten / Specification are subject to change without notification


Documents

MBX20-(5/7/9) - MECOS · MBX20-(5/7/9) Datasheet / Specification Validity: BG20015-xxNx, BG20017-xxNx, BG20019-xxNx Purpose: Technical Information about the MBX20 family MDT Doc: