ProSoft Technology inRAX MVI56E-MNETCR User Manual page 6

Contents
User Manual
4 Diagnostics and Troubleshooting
4.1
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.2
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.3
5 Reference
5.1
5.1.1
5.1.2
5.1.3
5.2
5.2.1
5.2.2
5.2.3
5.3
5.3.1
5.3.2
5.3.3
5.4
5.4.1
5.4.2
5.5
5.5.1
5.5.2
5.5.3
5.5.4
5.5.5
5.5.6
5.5.7
5.5.8
5.5.9
5.5.10
5.6
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.7
Page 6 of 159
Modbus TCP/IP Multi Client Enhanced Communications Module for Remote Chassis
LED Status Indicators ............................................................................................. 80
Scrolling LED Status Indicators .............................................................................. 80
Ethernet LED Indicators .......................................................................................... 81
Non-Scrolling LED Status Indicators ...................................................................... 81
Troubleshooting ...................................................................................................... 82
Clearing a Fault Condition ...................................................................................... 83
Using the Diagnostics Menu in ProSoft Configuration Builder ............................... 84
The Diagnostics Menu ............................................................................................ 87
Monitoring Module Information ............................................................................... 87
Monitoring Backplane Information .......................................................................... 88
Monitoring MNET Client Information....................................................................... 89
Monitoring Database Information............................................................................ 90
Reading Status Data from the Module ................................................................... 91
Product Specifications ............................................................................................ 94
General Specifications ............................................................................................ 94
Functional Specifications ........................................................................................ 95
Hardware Specifications ......................................................................................... 96
Functional Overview ............................................................................................... 97
About the MODBUS/TCP Protocol ......................................................................... 97
Backplane Data Transfer ........................................................................................ 98
Special Function Blocks ........................................................................................ 102
Data Flow between MVI56E-MNETCR Module, Processor, and Network .......... 111
Client Driver .......................................................................................................... 112
Client Command List ............................................................................................ 113
Client Command Errors ........................................................................................ 113
Ethernet Cable Specifications ............................................................................... 116
Ethernet Cable Configuration ............................................................................... 116
Ethernet Performance ........................................................................................... 117
Modbus Protocol Specification ............................................................................. 118
Read Coil Status (Function Code 01) ................................................................... 118
Read Input Status (Function Code 02) ................................................................. 120
Read Holding Registers (Function Code 03) ........................................................ 121
Read Input Registers (Function Code 04) ............................................................ 122
Force Single Coil (Function Code 05) .................................................................. 123
Preset Single Register (Function Code 06) .......................................................... 124
Diagnostics (Function Code 08) ........................................................................... 125
Force Multiple Coils (Function Code 15) .............................................................. 127
Preset Multiple Registers (Function Code 16) ...................................................... 128
Modbus Exception Responses ............................................................................. 129
Using the Optional Add-On Instruction Rung Import ............................................ 132
Before You Begin .................................................................................................. 132
Overview ............................................................................................................... 132
Installing the Rung Import with Utility Add-On Instruction .................................... 133
Reading the Ethernet Settings from the Module................................................... 138
Writing the Ethernet Settings to the Module ......................................................... 139
Reading the Clock Value from the Module ........................................................... 140
Writing the Clock Value to the Module ................................................................. 141
Adding the Module to an Existing Project ............................................................. 142
MVI56E-MNETCR ♦ ControlLogix Platform
ProSoft Technology, Inc.
June 14, 2011
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