1–2
Installing Your DeviceNet Adapter Module
Publication 17946.5.5 - October 1996
FLEX I/O is a small, modular I/O system for distributed
applications that performs all of the functions of rack-based I/O. The
FLEX I/O system contains the following components as shown
below:
Adapter/Power Supply
Terminal Base
I/O Module
20125
•
DeviceNet adapter/power supply – powers the internal logic for
as many as eight I/O modules
•
terminal base – contains a terminal strip to terminate wiring for
two- or three-wire devices
•
I/O module – contains the bus interface and circuitry needed to
perform specific functions related to your application
For information on how communication occurs on the Flex I/O
system backplane, refer to Chapter 2.
The adapter module consists of the following major components:
•
diagnostic indicators
•
DeviceNet wiring connections
•
24V dc power wiring connections
•
Node address switch
I/O Status Indicator
Mod/Net Status Indicator
DeviceNet Connector
DeviceNet Wiring Diagram
Node Address
Thumbwheel Switch
+24V dc Wiring
Connections
24V dc Common
Wiring Connections
Power Indicator
The FLEX I/O System
DeviceNet Adapter
Components