Contents MVI56E-MCM ♦ ControlLogix Platform
User Manual Modbus Communication Module
Page 6 of 209 ProSoft Technology, Inc.
3 Configuration as a Modbus Slave 59
3.1 Overview ................................................................................................................. 59
3.2 ModDef Settings ..................................................................................................... 60
3.2.1 Modbus Memory Map ............................................................................................. 61
3.2.2 Customizing the Memory Map ................................................................................ 63
3.3 Slave Configuration ................................................................................................ 65
3.4 Floating-Point Data Handling (Modbus Slave) ....................................................... 65
3.4.1 Enron/Daniel Float Configuration............................................................................ 66
3.5 Read and Write Same Modbus Address (Pass Through) ...................................... 68
4 Verify Communication 69
4.1 Verifying Master Communications .......................................................................... 69
4.1.1 MVI56E-MCM Status Data Definition as a Master ................................................. 70
4.1.2 Command Error Codes ........................................................................................... 71
4.1.3 MCM Status Data ................................................................................................... 75
4.2 Verify Slave Communications ................................................................................. 76
4.2.1 MVI56E-MCM Status Data Definition as a Slave ................................................... 76
5 Diagnostics and Troubleshooting 79
5.1 Ethernet LED Indicators .......................................................................................... 79
5.1.1 Scrolling LED Status Indicators .............................................................................. 80
5.1.2 Non-Scrolling LED Status Indicators ...................................................................... 81
5.2 Clearing a Fault Condition ...................................................................................... 81
5.3 Troubleshooting the LEDs ...................................................................................... 82
5.4 Setting Up ProSoft Configuration Builder ............................................................... 83
5.4.1 Installing ProSoft Configuration Builder .................................................................. 83
5.4.2 Setting Up the Project ............................................................................................. 84
5.4.3 Assigning an IP Address in the Project .................................................................. 85
5.5 Connecting Your PC to the Module ........................................................................ 87
5.5.1 Download the IP Address through CIPconnect ...................................................... 87
5.5.2 Using RSWho to Connect to the Module ................................................................ 98
5.5.3 Connecting Your PC to the Module's Ethernet Port ............................................... 99
5.6 Downloading the Project to the Module ................................................................ 103
5.7 Using the Diagnostics Menu in ProSoft Configuration Builder ............................. 104
5.7.1 The Diagnostics Menu .......................................................................................... 108
5.7.2 Monitoring Backplane Information ........................................................................ 108
5.7.3 Monitoring Database Information.......................................................................... 109
5.7.4 Monitoring General Information ............................................................................ 110
5.7.5 Monitoring Modbus Port Information .................................................................... 111
5.7.6 Data Analyzer ....................................................................................................... 112
5.8 Reading Status Data from the Module ................................................................. 116
5.8.1 Viewing the Error Status Table ............................................................................. 116
5.9 Configuration Error Codes .................................................................................... 117
5.10 Connect to the Module’s Web Page ..................................................................... 119
6 Reference 121
6.1 Product Specifications .......................................................................................... 121
6.1.1 General Specifications .......................................................................................... 122
6.1.2 General Specifications - Modbus Master/Slave .................................................... 122
6.1.3 Functional Specifications ...................................................................................... 122