Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module User Manual

Page 60

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60

Rockwell Automation Publication 1756-UM514C-EN-P - June 2014

Chapter 4

Using Programming Software in DH+ Applications

8.

Change the message configuration.

9.

Set the communication path for the message instruction.

1. Choose the Message Type from the

pull-down list.

2. Choose the Source Element from the

pull-down list if the tag exists.
If the tag does not exist, use the New
Tag feature (shown below) to create
it.

3. Type the Number of Elements being

written.

4. Type the Destination Element. In this

example, the Destination Element is a
PLC-5 data table.

If you create a Tag, you must:
1. Name the tag.
2. Make sure the Data Type is Integer

(INT).

1. Set the path. For DH+ applications, the

number order must match the
ControlLogix chassis backplane (1) and
the slot number of the local 1756-DHRIO
and 1756-DHRIOXT modules.

2. Select the DH+ Communication

Method.

3. Enter the information from the routing

table for this module.

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