Contents MVI56-MCM ♦ ControlLogix Platform
Modbus Communication Module
ProSoft Technology, Inc. Page 5 of 159
July 24, 2008
Contents
PLEASE READ THIS NOTICE................................................................................................................2
Warnings............................................................................................................................................2
Battery Life Advisory..........................................................................................................................3
ProSoft® Product Documentation .....................................................................................................3
Your Feedback Please ......................................................................................................................4
1 GUIDE TO THE MVI56-MCM USER MANUAL................................................................................7
2 START HERE....................................................................................................................................9
2.1 System Requirements ..........................................................................................................9
2.2 Deployment Checklist.........................................................................................................10
2.3 Package Contents ..............................................................................................................11
2.4 Setting Jumpers..................................................................................................................12
2.5 Install the Module in the Rack ............................................................................................12
2.6 Connect your PC to the Processor.....................................................................................14
3 USING THE RSLOGIX 5000 V16 ADD ON INSTRUCTION ..........................................................15
3.1 Add Module to Rack Configuration.....................................................................................16
3.2 Import Add On Instruction...................................................................................................18
3.3 Download the Sample Program to the Processor ..............................................................21
4 CONFIGURATION AS A MODBUS MASTER ...............................................................................25
4.1 Overview.............................................................................................................................25
4.2 ModDef Settings .................................................................................................................26
4.3 Master Command Samples................................................................................................34
4.4 Floating Point Data Handling..............................................................................................40
4.5 Command Control and Event Command ...........................................................................45
5 CONFIGURATION AS A MODBUS SLAVE ..................................................................................49
5.1 Overview.............................................................................................................................49
5.2 ModDef Settings .................................................................................................................50
5.3 Read and Write Same Modbus Address (Pass Thru) ........................................................54
5.4 Slave Configuration ............................................................................................................56
5.5 Further clarification for some parameters in table above. ..................................................57
5.6 Float Point Data Handling...................................................................................................57
6 VERIFY COMMUNICATIONS.........................................................................................................61
6.1 MVI56-MCM Status Data Definition as a Master................................................................61
6.2 Verify Master Communications...........................................................................................62
6.3 Verify Slave Communications.............................................................................................66
7 DIAGNOSTICS AND TROUBLESHOOTING.................................................................................67
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