Product data

Publication 1785-SG001B-EN-P - June 2006
30 Select Network Communications
Remote I/O
The strength and versatility of the remote I/O network comes from the
breadth of products it supports. In addition to 1771
I/O, the remote I/O
network supports many Rockwell Automation and third-party devices.
Typical applications range from simple I/O links with controllers and I/O, to
links with a variety of other devices. You connect devices through remote I/O
adapter modules or built-in remote I/O adapters.
Using the remote I/O network instead of direct-wiring a device over a long
distance to a local I/O chassis helps reduce installation, startup, and
maintenance costs by placing the I/O closer to the sensors and actuators.
Some devices, like PLC-5 support Pass-Through, let you configure devices on
a remote I/O network from an Ethernet, ControlNet, or Data Highway Plus
network.
Cat. No. Function Comm.
Rate
Connections Design Considerations Cable Power
Dissipation,
Max
Backplane
Current
Load
1771-ASB Interfaces I/O modules in
an I/O chassis to a
remote scanner port
across a remote I/O link
57.6 Kbps
115 Kbps
230 Kbps
Remote I/O
adapter port
Place in a remote chassis.
Requires a PLC-5
controller that supports
remote I/O
1770-CD
Belden 9463
5.2 W 1.0 A
1771-DCM Provides a remote I/O
adapter port for a local
PLC-5 controller to
communicate with a
remote I/O scanner port
of a supervisory process
across a remote I/O link
57.6 Kbps
115.2 Kbps
Remote I/O
adapter port
Place in the local chassis 1770-CD
Belden 9463
6.3 W 1.2 A
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PanelView 1200
Operator Terminal
1771 I/O Adapter
Remote I/O Link
PLC-5 Controller
ControlNet, EtherNet/IP, or DH+ Network
Workstation with
PanelBuilder Software
FLEX I/O Adapter
SLC I/O Adapter