Connection Locations For Communications Power Supply - Omron CJ Series Operation Manual

3-2-10 Connection Locations for Communications Power Supply

Connect the communications power supply as shown in the following diagrams.
Round Cable II, Flat Cable I, or Flat Cable II
Example for Flat Cable I or II
Master Unit
Com-
muni-
ca-
tions
power
supply
Communications
connector
The communications power supply (BS+ and BS-) is connected to the communications power sup-
ply connector on the Master Unit. Doing so will supply communications power to the Slave Units on
the trunk line from the Round Cable II, Flat Cable I, or Flat Cable II.
Note 1 Connect the communications power supply at only one location for the trunk line and each
sub-trunk line.
2 Connect the communications power supply to the downstream port communications power
supply connector on the Repeater Unit to supply power to a sub-trunk line.
Round Cable I
Master Unit
Open Type Connector
Communications connector
The communications power supply (BS+ and BS-) is connected separately to each Slave Unit and
Repeater Unit (see note). Power does not need to be supplied to the Master Unit.
Note The communications power to the Repeater Unit must be supplied to the BS+ and BS- termi-
nals on the upstream port (port 1).
Refer to 4-4 Power Supply Wiring for details on wiring the communications power supply.
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
Communica-
tions power
supply, 24 VDC
Flat Cable I or II
Slave Unit
Communica-
tions power
supply, 24 VDC
Supply communications power directly to each Slave Unit.
Round Cable I
Open Type Connector
Normal Slave Unit
3 Wiring Configurations
Terminating Resistor
Slave Unit
Slave Unit
Terminating Resistor
Open Type Connector
Normal Slave Unit
Normal Slave Unit
Open Type Connector
3-19
3