Omron CP1L CPU UNIT - 06-2007 Operation Manual page 498

DeviceNet I/O Link Units
Note
Wiring the DeviceNet
Communications Path
Note
Output Hold Function
Pin 4
OFF Clears remote outputs when communications error occurs. (Outputs turned
OFF for each logic value.)
ON Holds remote outputs when communications error occurs.
When using Expansion Unit/Expansion I/O Unit Error Flags (A436) in the pro-
gram, 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.
When using a CPM1A-DRT21 DeviceNet I/O Link Unit, wire the DeviceNet
communications cable as shown in the following diagram.
CPM1A-DRT21
DeviceNet I/O Link Unit
Connector for same CMP1A-DRT21
network (XW4B-05C1-H1-D)
Black (V−)
Blue (CAN low)
Shield
DeviceNet Connectors
Use the following connectors.
Model XW4B-05C1-H1-D
Form and OMRON connector with screws
specifications (provided with CPM1A-DRT21)
Use the XW4B-05C4-TF-D when wiring multidrop connections using Thick
Cables.
Use the following screwdriver for the above connector.
DeviceNet baud rate
White (CAN high)
Red (V+)
XW4B-05C4-TF-D
OMRON connector for multidrop
connections (See note.)
Section 7-7
Multidrop Connector
(XW4B-05C4-TF-D)
465