Alstom_Communication Module

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    POWER

    ALSTOM 2012. All rights reserved. The ALSTOM logo and any alternative version thereof are trademarks and service marks of ALSTOM. The othernames mentioned, registered or not, are the property of their respective companies. Information contained in this document is provided without liability for

    information purposes only and is subject to change without notice. No representation or warranty is given or to be implied as to the completeness of information

    or fitness for any particular purpose. Reproduction, use or disclosure to third parties, without express written authority, is strictly prohibited.

    ALSTOM Power PAC Power Automation & Controls - Helpdesk: [email protected]

    SENTRY VMS : COMMUNICATION MODULE

    M08701G3

    TECHNICAL SPECIFICATION

    Ethernet 10/100 Mbps, RJ45, Auto MDI/MDIX

    Protection Built-in 1.5KV magnetic isolation

    Interface RS-485

    No. of Ports 1 port

    Signals RS-485 (2-wire): Data+, Data-, GNDData Rate 19200 baud

    Start bit 1

    Stop bit 2

    Data bits 8

    Modbus Mode RTU

    200mA max, 24Vdc, through rack +24V backplane power supply

    ON Indicates green when module is correctly powered on.

    Power supply fault results in LED turning off.

    LINK Indicates green when the unit is operating correctly.

    LINK will flash when the LOCATE function is successful (see

    software configuration). Off indicates faulty module.

    TxD RxD Flashes green when communicating RS485 data

    through the bridge in either direction.

    ERROR Indicates red when the unit is in error or an IP conflict.

    Indicates red while module booting on power up.

    PSU OK Normally energised, non-latching, change over contacts

    COMMS OK Normally energised, non-latching, change over contacts

    Both SPST configuration (250VAC / 1A)

    Operating -20 DEG. C to +65 DEG. C

    Storage -30 DEG. C to +85 DEG. C