ProSoft Technology MVI56E-MCMR User Manual
Page 6
Contents
MVI56E-MCMR ♦ ControlLogix Platform
User Manual
Modbus Communication Module with Reduced Data Block
Page 6 of 225
ProSoft Technology, Inc.
May 13, 2014
2.4.4
Floating-Point Data Handling (Modbus Slave) ....................................................... 87
2.5
Ethernet Configuration ............................................................................................ 90
2.6
Connecting Your PC to the Module's Ethernet Port ............................................... 91
2.6.1
Setting Up a Temporary IP Address ....................................................................... 91
2.7
Downloading the Project to the Module .................................................................. 95
2.7.1
Using CIPconnect
®
to Connect to the Module ........................................................ 96
2.7.2
Using RSWho to Connect to the Module .............................................................. 106
3
Verify Communication
107
3.1
Verify Master Communications ............................................................................. 108
3.1.1
Status Data Definition as a Master ....................................................................... 108
3.1.2
Command Error Codes ......................................................................................... 110
3.1.3
MCM Status Data ................................................................................................. 114
3.2
Verify Slave Communications ............................................................................... 115
3.2.1
Status Data Definition as a Slave ......................................................................... 116
4
Ladder Logic
117
4.1
MVI56E-MCMR User Defined Data Types ........................................................... 118
4.1.1
Module Status Data and Variables (MCMRModuleDef) ....................................... 118
5
Diagnostics and Troubleshooting
123
5.1
Ethernet LED Indicators ........................................................................................ 124
5.1.1
Scrolling LED Status Indicators ............................................................................ 124
5.1.2
Non-Scrolling LED Status Indicators .................................................................... 125
5.2
Using the Diagnostics Menu in ProSoft Configuration Builder ............................. 126
5.2.1
Connect to the Module’s Web Page ..................................................................... 129
5.2.2
The Diagnostics Menu .......................................................................................... 130
5.2.3
Monitoring Backplane Information ........................................................................ 130
5.2.4
Monitoring Database Information.......................................................................... 131
5.2.5
Monitoring General Information ............................................................................ 132
5.2.6
Monitoring Modbus Port Information .................................................................... 132
5.2.7
Data Analyzer ....................................................................................................... 133
5.3
Reading Status Data from the Module ................................................................. 137
5.3.1
Required Hardware ............................................................................................... 137
5.3.2
Viewing the Error Status Table ............................................................................. 137
5.4
Communication Error Codes ................................................................................ 138
5.4.1
Clearing a Fault Condition .................................................................................... 140
5.4.2
Troubleshooting .................................................................................................... 141
6
Reference
143
6.1
About the Modbus Protocol .................................................................................. 144
6.2
Specifications ........................................................................................................ 145
6.2.1
General Specifications .......................................................................................... 145
6.2.2
Hardware Specifications ....................................................................................... 146
6.2.3
General Specifications - Modbus Master/Slave .................................................... 147
6.2.4
Functional Specifications ...................................................................................... 147
6.3
Functional Overview ............................................................................................. 148
6.3.1
Processor/Module Data Transfers ........................................................................ 148