Rockwell Automation Publication 1789-UM002K-EN-P - January 2015
71
Communicate with Devices on an Ethernet Network
Chapter 3
Example 3: Send Messages
over the EtherNet/IP
Network to a PLC-5 Processor
In this example, the SoftLogix controller sends a message through the
1756-ENBT, out the 1756-DHRIO, and to a PLC-5 processor at DH+ node 2.
Configure a MSG Instruction
Use a PLC-5 Typed Write MSG instruction.
Item
Description
1
SoftLogix 5800 controller
2
Ethernet network
3
ControlLogix controller with 1756-ENBT and 1756-DHRIO modules
4
DH+ network
5
PLC-5 processor
1
3
5
2
4