Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 132)

132 Rockwell Automation Publication 1756-UM514C-EN-P - June 2014
Chapter 10 Using the Studio 5000 Environment in Remote I /O and Block Transfer Applications
To create Block Transfer Read messages, see step 6 . To create Block Transfer
Write messages, see step 8 .
6. Change the message configuration. In this step, we create a Block Transfer
Read (that is the controller uses the message instruction to read data from
remote module inputs) message. For an example of creating a Block
Transfer Write message, see
step 8 .
7. Set the communication path for the message instruction.
1. Choose the Message Type from the
pull-down list.
2. Type the Number of Elements being
written.
3. Specify the Destination Element. You
can:
• Choose an element from the pull-
down (that is browse to the tag)
or
• Use the New Tag button to create
the tag where data is read from on
the remote module.
If you create a Tag, you must:
1. Name the tag.
2. Make sure the Data Type is Integer
(INT).
1. Use the Browse button to select the
path.
2. Select the destination module for the
message instruction.
3. Click OK.