Omron 3G8F7-CRM21 User Manual page 224

Wiring for Power Supply
Using Round Cable I
with Round Cable II,
Flat Cable I, or Flat
Cable II
204
• Provide a separate power supply each for the Master Board trunk line, for
the upstream, and for the downstream trunk line of a Repeater Unit.
Master Board/
Repeater Unit Communications
power supply
Trunk line or
sub-trunk line
Communications
power supply
The same power supply cannot be used for the
trunk line and the sub-trunk line downstream
from a Repeater Unit.
Master Board/
Communications
Repeater Unit
power supply
Trunk line or
sub-trunk line
If these precautions are not observed, transmission may deteriorate and
communications error may occur.
In a CompoNet network, round cable I can be installed under the same
Master Board Unit as round cables II, Flat Cables I or II are used, as long as
they are separated by a Repeater Unit.
Use separate power supplies for the trunk line
and the sub-trunk line downstream from a Re-
peater Unit.
Round Cable II, Flat Cable I
or Flat Cable II
Repeater Unit
Sub-trunk
Round Cable II, Flat Cable I
line
or Flat Cable II
Round Cable II, Flat Cable I
or Flat Cable II
Repeater Unit
Sub-trunk
Round Cable II, Flat Cable I
line
or Flat Cable II
Section E-5