ProSoft Technology MVI56E-MCMR - Manual (Page 7)

MVI56E-MCMR ♦ ControlLogix Platform Contents
Modbus Communication Module with Reduced Data Block User Manual
ProSoft Technology, Inc. Page 7 of 225
May 13, 2014
6.3.2 Normal Data Transfer Blocks ................................................................................ 151
6.3.3 Special Function Blocks ........................................................................................ 152
6.3.4 Master Driver ......................................................................................................... 168
6.3.5 Slave Driver ........................................................................................................... 170
6.4 Cable Connections ................................................................................................ 171
6.4.1 Ethernet Cable Specifications ............................................................................... 171
6.4.2 Ethernet Cable Configuration ................................................................................ 172
6.4.3 Ethernet Performance ........................................................................................... 172
6.4.4 RS-232 Application Port(s) ................................................................................... 172
6.4.5 RS-422 .................................................................................................................. 175
6.4.6 RS-485 Application Port(s) .................................................................................... 175
6.4.7 DB9 to RJ45 Adaptor (Cable 14) .......................................................................... 176
6.5 MVI56E-MCMR Status Data Definition ................................................................. 177
6.6 Modbus Protocol Specification .............................................................................. 179
6.6.1 Commands Supported by the Module ................................................................... 179
6.6.2 Read Coil Status (Function Code 01) ................................................................... 180
6.6.3 Read Input Status (Function Code 02) .................................................................. 182
6.6.4 Read Holding Registers (Function Code 03) ........................................................ 183
6.6.5 Read Input Registers (Function Code 04) ............................................................. 184
6.6.6 Force Single Coil (Function Code 05) ................................................................... 185
6.6.7 Preset Single Register (Function Code 06) ........................................................... 186
6.6.8 Diagnostics (Function Code 08) ............................................................................ 187
6.6.9 Force Multiple Coils (Function Code 15) ............................................................... 188
6.6.10 Preset Multiple Registers (Function Code 16) ...................................................... 189
6.6.11 Modbus Exception Responses .............................................................................. 190
6.7 Using the Optional Add-On Instruction Rung Import ............................................. 193
6.7.1 Before You Begin .................................................................................................. 193
6.7.2 Overview................................................................................................................ 193
6.7.3 Installing the Rung Import with Optional Add-On Instruction ................................ 194
6.7.4 Reading the Ethernet Settings from the Module ................................................... 198
6.7.5 Writing the Ethernet Settings to the Module.......................................................... 199
6.7.6 Reading the Clock Value from the Module ............................................................ 201
6.7.7 Writing the Clock Value to the Module .................................................................. 201
6.8 Using the Sample Program - RSLogix 5000 Version 15 and earlier ..................... 203
6.8.1 Adding the Sample Ladder to an Existing Application .......................................... 203
6.8.2 Add the Module to the Project ............................................................................... 203
6.8.3 Copying the User Defined Data Types .................................................................. 206
6.8.4 Copy Sample Controller Tags ............................................................................... 206
6.8.5 Add the Ladder Logic ............................................................................................ 207
6.8.6 Ladder Logic - RSLogix Version 15 and Lower .................................................... 208
7 Support, Service & Warranty 219
Contacting Technical Support ......................................................................................................... 219
7.1 Warranty Information ............................................................................................. 221
Index 223