
MVI69-MCM ♦ CompactLogix or MicroLogix Platform Reference
Modbus Communication Module User Manual
ProSoft Technology, Inc. Page 101 of 167
March 22, 2011
5 Reference
In This Chapter
Product Specifications ......................................................................... 102
Functional Overview ............................................................................ 106
Data Flow between MVI69-MCM Module and CompactLogix or MicroLogix
Processor ............................................................................................ 110
Normal Data Transfer .......................................................................... 115
Special Control and Status Blocks ...................................................... 121
Modbus Protocol Specification ............................................................ 134
Cable Connections .............................................................................. 146
MCM Database Definition.................................................................... 151
Status Data Definition .......................................................................... 152
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