MM300 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
TOC–I
Table of Contents
2.RS485 INTERFACE
(MODBUS RTU)
Electrical Interface...................................................................................................................................... 2-1
Data Frame Format and Data Rate.................................................................................................... 2-2
Data Packet Format................................................................................................................................... 2-2
Error Checking .............................................................................................................................................. 2-2
CRC-16 Algorithm........................................................................................................................................ 2-3
Timing ............................................................................................................................................................... 2-3
MM300 supported functions.................................................................................................................. 2-4
Function Code 03H..................................................................................................................................... 2-4
Function Code 04H..................................................................................................................................... 2-5
Function Code 05H..................................................................................................................................... 2-5
Function Code 06H..................................................................................................................................... 2-6
Function Code 07H..................................................................................................................................... 2-7
Function Code 08H..................................................................................................................................... 2-8
Function Code 10H..................................................................................................................................... 2-8
Error Responses ........................................................................................................................................... 2-9
Modbus memory map ...................................................................................................................2-10
Format codes.....................................................................................................................................2-39
Performing Commands Using Function Code 10H..........................................................2-66
Configurable Fieldbus input data................................................................................................4-1
Profibus DP.............................................................................................................................................4-3
Profibus power supply configuration................................................................................................. 4-4
Profibus termination .................................................................................................................................. 4-5
Profibus DP-parameterization............................................................................................................... 4-5
Profibus DP-configuration....................................................................................................................... 4-6
Profibus Input Data .................................................................................................................................... 4-8
Profibus Output Data...............................................................................................................................4-10
Profibus DPV0-Diagnostics...................................................................................................................4-10
Profibus DPV1-Acyclic read/write data...........................................................................................4-21
Extended Profibus DPV1 functionality.............................................................................................4-24
Acyclic Read Operation (Modbus functions 03H and 04H) ................................................... 4-24
Parameter Acyclic Write Operation (Modbus function 10H)................................................. 4-25
Execute Operation Command (Modbus function 05H) ........................................................... 4-27
Preset Single Register (store single setpoint – Modbus function 06H)............................. 4-28
Profibus DPV1-Diagnostics...................................................................................................................4-28
I&M (Identification & Maintenance) records..................................................................................4-39
DeviceNet power supply configuration ..........................................................................................4-42
DeviceNet setup and configuration (typical) ................................................................................4-43