In This Chapter
About the MODBUS Protocol .............................................................. 142
Specifications ...................................................................................... 143
Functional Overview ............................................................................ 146
Cable Connections .............................................................................. 169
MVI56E-MCMR Status Data Definition ................................................ 175
Modbus Protocol Specification ............................................................ 177
Using the Optional Add-On Instruction Rung Import ........................... 190
Using the Sample Program - RSLogix 5000 Version 15 and earlier .... 201