Connecting The Communications Power Supply - Omron CJ Series Operation Manual

+ (Actual load current of an actuator x Number of actuators)
(3) I/O Units
Current consumption of the communications power supply
= Current consumption of a Bit Slave for communications
+ (Input current of a Bit Slave x Number of used channels)
+ (Current consumption of a sensor x Number of used sensors)
+ (Actual load current of an actuator x Number of actuators)
Use a power source with sufficient capacity, allowing for inrush current at startup.

4-4-2 Connecting the Communications Power Supply

Round Cable II, Flat Cable I, or Flat Cable II
Master Unit Connections
+
Communica-
tions power
supply,
-
24 VDC
Communications power
supply connector
Communications connector
BS+
BS−
Round Cable I
Slave Unit Connections
Communications
power supply,
24 VDC
*1 When complying with UL standards, install a device to limit the current between the external power supply and
the Unit to 4 A or less for the communications power supply.
CJ-series CompoNet Master Unit Operation Manual for NJ-series CPU Unit (Cat. No. W493)
CRM21
MS
NS
+100
SD
RD
SW 1 2 3 4 MACH
ON
No.
1
3 m max. 1 2 3 4 X10
NETWORKPS
0
X10
BS+
MODE
BS+
BS-
BS-
DC24V
INPUT
BS+
BD H
DB L
BS-
To communications power supply, 24 VDC
Overcurrent
*1
protection
(current limit: 4 A)
BS+
BS-
Attach a DCN4-TB4
Open Type Connector.
4 Installation and Wiring
4
4-33