ProSoft Technology MVI56E-MNETC User Manual page 6

Contents
User Manual
4 Diagnostics and Troubleshooting
4.1
4.1.1
4.1.2
4.2
4.3
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
4.4.6
4.5
4.5.1
4.5.2
4.5.3
4.6
5 Reference
5.1
5.1.1
5.1.2
5.1.3
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.3
5.3.1
5.3.2
5.4
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.4.7
5.4.8
5.4.9
5.4.10
5.4.11
5.4.12
5.5
5.5.1
5.5.2
5.5.3
5.5.4
5.5.5
Page 6 of 172
Modbus TCP/IP Client Enhanced Communication Module - Client/Server
Ethernet LED Indicators .......................................................................................... 81
Scrolling LED Status Indicators .............................................................................. 82
Non-Scrolling LED Status Indicators ...................................................................... 83
Clearing a Fault Condition ...................................................................................... 83
Troubleshooting the LEDs ...................................................................................... 84
Using the Diagnostics Menu in ProSoft Configuration Builder ............................... 85
The Diagnostics Menu ............................................................................................ 88
Monitoring Module Information ............................................................................... 89
Monitoring Backplane Information .......................................................................... 90
Monitoring Database Information............................................................................ 90
Monitoring MNETC Server Information .................................................................. 91
Monitoring MNET Client Information....................................................................... 92
Reading Status Data from the Module ................................................................... 92
Status Data Definition ............................................................................................. 93
Configuration Error Word ........................................................................................ 96
Client Command Errors .......................................................................................... 96
Connecting to the Module's Web Page .................................................................. 98
Product Specifications .......................................................................................... 101
General Specifications .......................................................................................... 101
Functional Specifications ...................................................................................... 102
Hardware Specifications ....................................................................................... 102
Functional Overview ............................................................................................. 103
Backplane Data Transfer ...................................................................................... 103
Normal Data Transfer Blocks ................................................................................ 106
Special Function Blocks ........................................................................................ 110
Data Flow between MVI56E-MNETC/MNETCXT Module and Processor ........... 129
Ethernet Cable Specifications ............................................................................... 134
Ethernet Cable Configuration ............................................................................... 134
Ethernet Performance ........................................................................................... 134
Modbus Protocol Specification ............................................................................. 135
About the Modbus Protocol .................................................................................. 135
Read Coil Status (Function Code 01) ................................................................... 136
Read Input Status (Function Code 02) ................................................................. 137
Read Holding Registers (Function Code 03) ........................................................ 138
Read Input Registers (Function Code 04) ............................................................ 139
Force Single Coil (Function Code 05) .................................................................. 140
Preset Single Register (Function Code 06) .......................................................... 141
Read Exception Status (Function Code 07) ......................................................... 142
Diagnostics (Function Code 08) ........................................................................... 142
Force Multiple Coils (Function Code 15) .............................................................. 144
Preset Multiple Registers (Function Code 16) ...................................................... 145
Modbus Exception Responses ............................................................................. 145
Using the Optional Add-On Instruction ................................................................. 148
Before You Begin .................................................................................................. 148
Overview ............................................................................................................... 148
Importing the Optional Add-On Instruction ........................................................... 150
Reading the Ethernet Settings from the Module................................................... 154
Writing the Ethernet Settings to the Module ......................................................... 156
MVI56E-MNETC/MNETCXT ♦ ControlLogix Platform
ProSoft Technology, Inc.
81
101
September 20, 2018