Instruction Manual

Rockwell Automation Publication 1756-UM514C-EN-P - June 2014 99
Chapter 9
Using the 1756-DHRIO and
1756-DHRIOXT Modules in Remote I/O
Applications
What This Chapter Contains
This chapter describes the basic procedures of using the 1756-DHRIO and
1756-DHRIOXT modules in remote I/O scanner mode and configuring a
remote I/O network.
Topic Page
Introduction to Remote I/O 100
Select Devices that You Can Connect 101
Design a Remote I/O Network 102
Module Operation in a Remote I/O Application 104
Remote I/O Scanner Status 106
Adapter Module I/O 107
Configure the Data Exchange Rate Between the Modules and a
Controller
108
Remote I/O Scanner Fault Notification 110
Remote I/O Adapter Failure Notification 111
Inhibit the Module Connections 111
Inhibit an Remote I/O Connector Adapter 111
Increased Remote I/O System Throughput 112