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Contents
MVI56E-MNETR ♦ ControlLogix Platform
User Manual
Modbus TCP/IP Interface Module with Reduced Data Block
Page 6 of 175
ProSoft Technology, Inc.
June 14, 2011
3
Ladder Logic
79
3.1
MNETRMODULEDEF ............................................................................................ 80
3.1.1
MNETRDATA.......................................................................................................... 81
3.1.2
MNETRSTATUS ..................................................................................................... 82
3.1.3
MNETRCONTROL ................................................................................................. 84
3.1.4
MNETRUTIL ........................................................................................................... 87
3.2
Modbus Message Data ........................................................................................... 89
4
Diagnostics and Troubleshooting
91
4.1
Reading Status Data from the Module ................................................................... 92
4.2
The Diagnostics Menu ............................................................................................ 93
4.2.1
Using the Diagnostics Menu in ProSoft Configuration Builder ............................... 93
4.3
Monitoring Module Information ............................................................................... 97
4.3.1
Version .................................................................................................................... 97
4.3.2
Config ...................................................................................................................... 97
4.3.3
NIC Status ............................................................................................................... 97
4.3.4
Static ARP ............................................................................................................... 97
4.4
Monitoring Backplane Information .......................................................................... 97
4.4.1
Backplane Status .................................................................................................... 98
4.5
Monitoring Database Information............................................................................ 99
4.6
Monitoring MNET Client Information..................................................................... 100
4.6.1
Command List ....................................................................................................... 100
4.6.2
Command Status .................................................................................................. 100
4.6.3
Config .................................................................................................................... 100
4.6.4
Status .................................................................................................................... 100
4.7
Monitoring MNET Server Information ................................................................... 101
4.7.1
Config .................................................................................................................... 101
4.7.2
Status .................................................................................................................... 101
4.8
LED Status Indicators ........................................................................................... 102
4.8.1
Scrolling LED Status Indicators ............................................................................ 102
4.8.2
Ethernet LED Indicators ........................................................................................ 103
4.8.3
Non-Scrolling LED Status Indicators .................................................................... 104
4.9
Client Configuration Error Word ............................................................................ 105
4.10
Clearing a Fault Condition .................................................................................... 106
4.11
Troubleshooting .................................................................................................... 107
5
Reference
109
5.1
Product Specifications .......................................................................................... 110
5.1.1
General Specifications .......................................................................................... 110
5.1.2
Functional Specifications ...................................................................................... 111
5.1.3
Hardware Specifications ....................................................................................... 111
5.2
Functional Overview ............................................................................................. 112
5.2.1
About the MODBUS TCP/IP Protocol ................................................................... 112
5.2.2
Module Power Up ................................................................................................. 112
5.2.3
Backplane Data Transfer ...................................................................................... 113
5.2.4
Data Flow between MVI56E-MNETR Module and ControlLogix Processor......... 125
5.3
Ethernet Cable Specifications ............................................................................... 130
5.3.1
Ethernet Cable Configuration ............................................................................... 130
5.3.2
Ethernet Performance ........................................................................................... 130
5.4
Status Data Definition ........................................................................................... 131