Power Supply And The Devicenet Bus - Omron SmartController EX User Manual

NOTE: When using the open-style terminating resistor, connect a 121 ohm,
W resistor to CAN_H and CAN_L (between blue and white data-pair wires).
Figure 6-6. Example of a Terminating Resistor Installation on a DeviceNet Bus

Power Supply and the DeviceNet Bus

The DeviceNet network allows distribution of power supplies on the network cable system. Fol-
low these general rules to achieve safe and reliable operation:
Use power supplies rated at 24 V.
l
Minimize installation problems by using a single power supply with sufficient current
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11069-000 Rev. H
Figure 6-5. Internal CAN Power OFF, Terminating Resistor ON
PIN 4
SmartController EX User's Guide
Chapter 6: DeviceNet
PIN 5
¼
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