Omron CPM1 - PROGRAMING MANUAL 02-2001 Programming Manual page 243

DeviceNet I/O Link Unit
Wiring the DeviceNet
Communications Path
Blue (CAN low)
Shield
Hold/Clear Remote Outputs
When the DeviceNet Unit is used as a slave, pin 4 is used to set whether to hold
or clear remote outputs when a communications error occurs.
Note When using AR 02 (Expansion Unit Error Flags) in the program, turn ON pin 4 on
the DIP switch. If communications are set to be cleared, the timing for clearing
outputs and setting the Error Flags may not agree.
Wire the DeviceNet communications path as shown in the following diagram.
CPM1A-DRT21
DeviceNet I/O Link Unit
Connector provided with Unit
(XW4B-05C1-H1-D)
Black (V–)
White (CAN high)
Red (V+)
DeviceNet Connectors
Use the following connectors.
Model
XW4B-05C1-H1-D
XW4B-05C4-TF-D
Note Use the XW4B-05C4-TF-D when wiring multidrop connections using
Thick Cables.
Use the following screwdriver for the above connector.
XW4Z-00C
Form and specifications
OMRON connector with screws (included with DeviceNet I/O
Link Unit).
OMRON connector for multidrop connections (See note.)
Section
Multidrop Connector
(XW4B-05C4-TF-D)
3.5 mm
0.6 mm
3-4
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