Omron NS Series Setup Manual page 48

3-1 Installing the PT
Power supply voltage
Allowable voltage range 20.4 to 27.6 VDC (24 VDC ±15%)
Power supply capacity
NS12, 10, 8
24 VDC
•
Parts Used to Connect the Power Supply
Note
7 mm max.
•
Recommended Products
J.S.T. Mfg. Co., Ltd.
Fuji Terminal Industry Co., Ltd.
Nichifu Terminal Industries Co., Ltd.
Note
3-6
Item
24 VDC
25 W min. (NS5: 15 W min.)
Functional ground
Connect power to the power terminal block using twisted-pair power lines with a cross-
sectional area of at least 2 mm
The correct tightening torque for the terminal block is 0.8 N⋅m. Tighten terminal block screws
properly.
Forked type
Manufacturer
When surge noise occurs in the DC power supply, connect a Transistor Voltage Suppressor
(TVS) between the 24-V and 0-V DC terminals.
Recommended TVS model: 1.5KE33CA
Manufacturers: Vishay Intertechnology Inc, ST Microelectronics
Value
Breaker
24 VDC
power
supply
2
and always using M3.5 crimp terminals.
Round type
7 mm max.
Model number of
forked terminals
2-YS3A
2-YAS3.5
2Y-3.5
NS5
24 VDC
Breaker
24 VDC power supply
Model number of
round terminals
2-3.5
V2-S3.5
2-3.5
Functional
ground
Applicable power
lines (twisted-pair)
2.0 to 2.63 mm 2