Omron 3G8F7-CRM21, User Manual

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Wiring for Power Supply
Section E-5
3-3 Confirm that the cable is properly pressure-welded as shown below.
E-5 Wiring for Power Supply
Operation of a CompoNet Network needs following power supplies.
• Communications power supply: for communications with connected Units
and for operations of internal elements of these Units.
• I/O power supply: for inputting and outputting operations of externally
connected I/O devices of the Units.
Power supplying method differs by cable types and Slave Unit types.
The table below summarizes it.
Multi-power supply type
Round Cable I
•
Communications power:
Supplied individually to each power terminal on the communications
connectors of the Units.
Supplied individually to each power terminal on the PORT1 connectors of the
Repeater Units.
•
I/O power:
Supplied separately from the communications power to each I/O power
supply terminal on the Units. To prevent noise generation, the power must be
supplied separately from the communications power supply.
No space here.
It must be locked.
Power supplying
type of Slave Unit
Cable type Communications power
supplying method
I/O power supplying method
Multi-power supply Round Cable I Supplied to the individual
Slave Units. Supplied separately form the
communications power supply
to individual Slave Unit.
Round Cable II,
Flat Cable I and II Supplied to the Master Board
from which the power is
supplied collectively to all
connected Slave Unit through
the communications cable.
Network power
supply Round Cable I Unable to use
Round Cable II,
Flat Cable I and II Both of communications power and I/O power are supplied
collectively through the communications cable.