Allen-Bradley 1756-DHRIO - DH+ Messaging: PLC-5 s With One 1756-DHRIO

Publication 1756-UM514B-EN-P - February 2003
4-2 Messaging Between PLC-5s and SLC-5/04s
DH+ Messaging: PLC-5s
With One 1756-DHRIO
This application sends a DH+ message from PLC-5 processor A
through a 1756-DHRIO module to PLC-5 processor B. Remote DH+
messaging is required to send the message.
Figure 4.1 illustrates the steps you must follow in this application:
Figure 4.1
ControlLogix
chassis
1756-DHRIO
PLC-5/25 processor A
Node number: 015
DH+ link
Link ID 1
PLC-5 processor B
Node number: 025
41363
Channel A
Node number: 010
Channel B
Node number: 020
DH+ link
Link ID 2
Set Module
Switches
page 4-3
Set -Up
Routing Table
page 4-3
Configure Msg
Instructions
page 4-4
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