Omron 3G8F7-CRM21, User Manual

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203
Wiring for Power Supply
Section E-5
Restrictions
The following restrictions apply when supplying communications power
through a round cable II, Flat Cable I, or Flat Cable II.
• The communications power supply can be connected at only one location
for the trunk line and one location each for the sub-trunk lines.
• Communications power to the trunk line can be supplied only through the
communications power supply connector on the Master Board.
Communications power to a sub-trunk line can be supplied only through
the downstream port of communications power supply connector on the
Repeater Unit. Communications power cannot be supplied at any other
locations.
The communications power is supplied to
the communications power supply connector
on the Master Unit.
Communications
power supply
The communications
power is supplied to
the downstream
communications port
power supply
connector on the
Repeater Unit.
Trunk line or
sub-trunk line
Sub-trunk
line
Master Board/
Repeater Unit
3 m max.
Round Cable II, Flat Cable I
or Flat Cable II
Repeater Unit
Repeater Unit
Master Board/
Repeater Unit
Communications
power supply
Communications
power supply
Trunk line or
sub-trunk line
Sub-trunk
line
Communications
power supply
The communications
power can be supplied
only to the down-
stream port communi-
cations power supply
connector on the Re-
peater Unit.
Slave Unit
The communications power
can be supplied only to the
communications power supply
connector on the Master Unit.
Slave Unit
Round Cable II, Flat Cable I
or Flat Cable II
Round Cable II, Flat Cable I
or Flat Cable II
Round Cable II, Flat Cable I
or Flat Cable II