Danfoss MCD 200 Installation Instructions Manual

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Danfoss MCD 200 Installation Instructions Manual Manual pdf 1 page image

MCD Modbus Module Instructions IntroductionMG.17.F5.02 - VLT® is a registered Danfoss trademark 1INSTALLATION INSTRUCTIONS: MCD MODBUS MODULEOrder Code: 175G90001. IntroductionDanfoss soft starters can be controlled and monitored across an RS485 serial communicationnetwork using the Modbus RTU and AP ASCII protocols.For users requiring simple control of MCD 200 and MCD 500 soft starters using Modbus RTU or APASCII, the instructions below describe the installation and operation of the Modbus Module.MCD 3000 soft starters have AP ASCII protocol support built in - see the MCD 3000 Users Manual fordetails of message formats. The MCD 3000 supports Modbus RTU control when used in conjunctionwith a Remote Operator.This document describes Modbus and AP ASCII messaging andAppendix A describes how to connectthe Remote Operator and use it as a Modbus RTU or AP ASCII slave device.2. Installation1. Remove control power and mains supply from the soft starter.2. Attach the Modbus Module to the starter as shown.3. Apply control power to the soft starter.MCD 200 MCD 500177HA528.10Remove the Modbus Module using the following procedure:1. Disconnect the RS485 cable from the module.2. Remove control power and mains supply from the soft starter.3. Push a small flat-bladed screwdriver into the slots at the top andbottom of the module and depress the retaining clips.4. Pull the module away from the soft starter. CAUTIONRemove mains and control voltage from the soft starter before attaching or removingaccessories. Failure to do so may damage the equipment.