Omron 3G8F7-CRM21, User Manual

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209
Wiring for Power Supply
Section E-5
E-5-7 Other Precautions
Power Supply Errors
A system can be stopped entirely if a power supply error occurs. When you
want to avoid the full system stop to assure the system security, you may
consider providing several power supplies in a network, and group the Slave
Units with individual power supplies.
Cost Considerations
Total cost and other elements as in below must also be included in the
consideration of power supply method.
• Capacity and the number of pour supply units,
• Cable thickness (or allowable current), and length (or voltage drop),
• System safety, and
• Wiring manhours