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DeviceNet I/O Link Units Section 7-7
Wiring the DeviceNet
Communications Path
When using a CPM1A-DRT21 DeviceNet I/O Link Unit, wire the DeviceNet
communications cable as shown in the following diagram.
DeviceNet Connectors
Use the following connectors.
Note Use the XW4B-05C4-TF-D when wiring multidrop connections using Thick
Cables.
Use the following screwdriver for the above connector.
I/O Response Time Refer to the DeviceNet Slaves Operation Manual (W347) for details on the
response time. The data read/write time for one cycle for the CPM1A-DRT21
is approximately 0.5 ms. Add a maximum of 1 ms to the I/O response time.
Model XW4B-05C1-H1-D XW4B-05C4-TF-D
Form and
specifications
OMRON connector with screws
(provided with CPM1A-DRT21)
OMRON connector for multidrop
connections (See note.)
Black (V−)
Blue (CAN low)
Shield
White (CAN high)
Red (V+)
CPM1A-DRT21
DeviceNet I/O Link Unit
Connector for same CPM1A-DRT21
network (XW4B-05C1-H1-D)
Multidrop Connector
(XW4B-05C4-TF-D)
XW4Z-00C
0.6 mm
3.5 mm
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