ProSoft Technology MVI69-MCM User Manual

Page 80

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Ladder Logic

MVI69-MCM ♦ CompactLogix or MicroLogix Platform

User Manual

Modbus Communication Module

Page 80 of 167

ProSoft Technology, Inc.

March 22, 2011

The Input Words and Output Words parameters will depend on the Block
Transfer Size
parameter you specify in the configuration file. Use the values

from the following table.

Block Transfer Size

Input Words

Output Words

60

62

61

120

122

121

240

242

241

5 Click OK

to continue.

6 After completing the module setup, the I/O Configuration dialog box will

display the module's presence.

The last step is to add the ladder logic. If you are using the example ladder logic,

adjust the ladder to fit your application. Refer to the example Ladder Logic

section in this manual.
Download the new application to the controller and place the processor in RUN

mode. If you encounter errors, refer to Diagnostics and Troubleshooting (page
81) for information on how to connect to the module's Config/Debug port to use

its troubleshooting features.

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