ProSoft Technology MVI56E-MCMR User Manual

Page 80

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Configuring the MVI56E-MCMR Module

MVI56E-MCMR ♦ ControlLogix Platform

User Manual

Modbus Communication Module with Reduced Data Block

Page 80 of 225

ProSoft Technology, Inc.

May 13, 2014

2 The length of this COP statement must now be 14. This will COP as many of

the MCM_F

LOAT

_D

ATA

values required to occupy the

MCMR.DATA.W

RITE

D

ATA

array for a length of 14. This will take 7 registers,

MCM_F

LOAT

_D

ATA

[0]

TO

[6],

and place that data into

MCMR.DATA.W

RITE

D

ATA

[0]

TO

[13].

The following illustration shows the command required to write these 7 Floating-
Point values.

Based on the Internal Address and the configuration within the B

ACKPLANE

C

ONFIGURATION

section for Write Register Start and Write Register Count, the

data from the tag MCMR.DATA.W

RITE

D

ATA

[0]

TO

[6]

will be written to Modbus

addresses 47001 to 47007 of Modbus Slave Device Address 1.

Note: A swap code may be required to put the data in the proper format for the slave device.

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