Allen-Bradley 1756-DHRIO - DH+ Messaging: SLC-5;04 s With Two 1756-DHRIOs in One ControlLogix Chassis

Publication 1756-UM514B-EN-P - February 2003
Messaging Between PLC-5s and SLC-5/04s 4-5
DH+ Messaging: SLC-5/04s
With Two 1756-DHRIOs in
One ControlLogix Chassis
This application sends a DH+ message from SLC-504 processor A
through two 1756-DHRIO modules in the same chassis to SLC-5/04
processor B. Remote DH+ messaging is required to send the message.
Figure 4.4 illustrates the steps you must use in this application:
Figure 4.4
ControlLogix chassis
1756-DHRIO
SLC-504 processor A
Node number: 015
DH+ link
Link ID 1
SLC-504 processor B
Node number: 025
19765
Set Module
Switches
page 4-6
Set -Up
Routing Table
page 4-6
Configure Msg
Instructions
page 4-7
1756-DHRIO
DH+ link
Link ID 2
Channel B
Node number: 020
Channel B
Node number: 030
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