Omron 3G8F7-CRM21 User Manual page 221

Wiring for Power Supply
Master Board
Not using a Repeater Unit
Communications
power supply
Overcurrent
connector
protection*
(current limit: 4 A)
BS
BS
Trunk line
BS
BDH
BDL
BS
Branch
lines
Slave Unit
Communications
power supply
* When complying with UL standards, install a
device to limit the current between the
V
external power supply and the Unit to 4 A or
less for the communications power supply.
Power
supply
G
Round Cable II, Flat Cable I, or Flat Cable II
Slave Unit
Slave Unit
Section E-5
Terminating
Resistor
Slave Units
with network
Slave Unit
power supply
201