
Contents MVI56E-GSC/GSCXT ♦ CompactLogix or MicroLogix Platform
User Manual Enhanced Generic ASCII Serial Communication Module
Page 6 of 140 ProSoft Technology, Inc.
April 24, 2017
3Diagnostics and Troubleshooting 57
3.1 Reading Status Data from the Module ................................................................... 57
3.2 The Diagnostics Menu............................................................................................ 58
3.2.1 Using the Diagnostics Menu in ProSoft Configuration Builder ............................... 58
3.3 Monitoring Module Information............................................................................... 61
3.3.1 Version Menu.......................................................................................................... 61
3.3.2 Config...................................................................................................................... 62
3.3.3 NIC Status............................................................................................................... 62
3.4 Monitoring Backplane Information.......................................................................... 62
3.4.1 Backplane Status Menu.......................................................................................... 62
3.5 Data Analyzer ......................................................................................................... 63
3.5.1 Starting the Data Analyzer...................................................................................... 63
3.5.2 Stopping the Data Analyzer.................................................................................... 65
3.5.3 Data Analyzer Tips ................................................................................................. 66
3.6 Scrolling LED Status Indicators.............................................................................. 68
3.7 Ethernet LED Indicators.......................................................................................... 69
3.8 Non-Scrolling LED Status Indicators ...................................................................... 70
3.9 ControlLogix Processor Not in RUN or REM RUN................................................. 70
3.10 Clearing a Fault Condition ...................................................................................... 70
3.11 Troubleshooting...................................................................................................... 71
4Reference 73
4.1 Product Specifications ............................................................................................ 73
4.1.1 General Specifications............................................................................................ 73
4.1.2 Functional Specifications........................................................................................ 74
4.1.3 Hardware Specifications......................................................................................... 75
4.2 General Concepts................................................................................................... 76
4.2.1 Backplane Data Transfer........................................................................................ 76
4.2.2 Data Flow between MVI56E-GSC Module and ControlLogix Processor................ 77
4.2.3 Termination of Received Data................................................................................ 81
4.3 Normal Data Transfer ............................................................................................. 85
4.3.1 Block Request from the Processor to the Module.................................................. 85
4.3.2 Read Block.............................................................................................................. 86
4.4 Special Function Blocks.......................................................................................... 90
4.4.1 Block 9998: Warm Boot.......................................................................................... 90
4.4.2 Block 9999: Cold Boot ............................................................................................ 90
4.4.3 Configuration Data Transfer Block ......................................................................... 90
4.5 Using the Sample Add-On Instruction .................................................................... 92
4.5.1 Input/Output (I/O) Configuration and Module Properties........................................ 92
4.5.2 User-Defined Data Types....................................................................................... 93
4.5.3 Controller Tags ..................................................................................................... 101
4.5.4 Add-On-Defined Data Types ................................................................................ 107
4.6 Using the Optional Add-On Instruction................................................................. 112
4.6.1 Before You Begin.................................................................................................. 112
4.6.2 Overview............................................................................................................... 112
4.6.3 Importing the Optional Add-On Instruction Rung.................................................. 113
4.6.4 Reading Ethernet Settings from the Module......................................................... 117
4.6.5 Writing the Ethernet Settings to the Module......................................................... 119
4.6.6 Reading the Clock Value from the Module........................................................... 120
4.6.7 Writing the Clock Value to the Module ................................................................. 121
4.7 Using the Sample Program - RSLogix 5000 Version 15 and earlier.................... 122