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GE MM300 MM300 Motor Management System Communications Guide

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MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE 1

MM300 Motor Management SystemCommunications Guide

GE Consumer & Industrial

Multilin

Communications Guide

Communications interfaces

The MM300 has three communications interfaces:

• RS485

• 10/100Base-T Ethernet

•Fieldbus

NOTE

NOTE: Setpoint changes related to DeviceNet, Profibus, and Ethernet, require a power cycle to be

activated.

NOTE

NOTE: External power must be present on the Fieldbus port at power-up, in order to correctly

initialize.

Contents

Main Title page *1601-9023* GE Consumer & Industrial Multilin MM300 Motor Management System Page Table of Contents Page MM300 Motor Management System Communications Guide RS485 interface (Modbus RTU) Modbus Protocol Electrical Interface Data Frame Format and Data Rate Data Packet Format Error Checking CRC-16 Algorithm Timing MM300 supported functions Modbus Functions Function Code 03H Function Code 04H Function Code 05H Function Code 06H Function Code 07H Function Code 08H Function Code 10H Error Responses Modbus memory map Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Format codes Page Page Page Page Page Page Page Page Page RS485 INTERFACE (MODBUS RTU) COMMUNICATIONS GUIDE Page Page Page Page Performing Commands Using Function Code 10H Using the User Definable Memory Map Page Ethernet interface Fieldbus interface Profibus protocol (DP V0) Profibus Output Data Profibus DP-Diagnostics Profibus Input Data Page Page DeviceNet protocol DeviceNet Communications Identity Object (Class Code 01H) Message Router (Class Code 02H) DeviceNet Object (Class Code 03H) Table 20: Identity Object, Class Code 03h, Instance 01h, Attributes: DeviceNet Connection Object (Class Code 05H) Table 21: Connection Object, Class Code 05h, Services: Table 22: Connection Object, Class Code 05h, Instance 01h (Explicit Message Connec- tion): Table 23: Connection Object, Class Code 05h, Instance 04h (Polled Input/Output Con- nection): DeviceNet Motor Data - Poll, Explicit Object (Class Code A0H) Page DeviceNet - Explicit Motor Analog Data Object, Class Code B0H, Services Table 29: Data Formats, Explicit Motor Analog Data Object Page DeviceNet - Explicit Motor Object, Class Code B1H