ProSoft Technology MVI56E-MCMR User Manual

Page 161

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MVI56E-MCMR ♦ ControlLogix Platform

Reference

Modbus Communication Module with Reduced Data Block

User Manual

ProSoft Technology, Inc.

Page 161 of 225

May 13, 2014

The Send Command Control message uses the following parameters in the MSG
configuration:

Status Data can be returned to the processor using a "Get Attribute Single"
service type MSG instruction. If you follow the provided sample ladder logic or
use the provided Add-On Instruction (AOI), the Get Command Control Status
MSG will be triggered at the same time as the Send Command Control message
by the same controller tag, MCMR.CONTROL.C

MD

C

ONTROL

P1.C

MD

T

RIGGER

for

Port 1 or MCMR.CONTROL.C

MD

C

ONTROL

P2C

MD

T

RIGGER

for Port 2.

The Get Command Control Status message uses the following parameters in the
MSG configuration:

A 5-word response will be passed back through the MSG instruction to the
controller tag array, MCMR.CONTROL.C

MD

C

ONTROL

P1.C

MD

C

ONTROL

R

ESP

or

MCMR.CONTROL.C

MD

C

ONTROL

P1.C

MD

C

ONTROL

R

ESP

, depending on whether

the Event Command was sent for Port 1 (9901) or Port 2 (9911). The following
table lists the 5-word response data received.

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