KEYENCE SL-CHG Series - Manual (Page 36)

Chapter 3 Wiring
3-2
3
English ENGLISH
2. Recommended Dedicated Power Supply Unit
The SL-U2 is offered as the SL-CHG dedicated power supply. The SL-U2 is a power supply that
completely satisfies the above requirements.
Standard No. Certification
Organization
EN60950
Safety EN50178
TÜV
standard UL60950 (R/C)
UL508 (Listing)
UL
EN55011 Class A
EMC standard EN / IEC / UL61496-1
(*) EN / IEC 61000-3-2
TÜV/UL
FCC Part 15 Class A
(*)Since the SL-U2 is a dedicated power supply for the SL-CHG and SL-R11G, the SL-U2 is combined
with the SL-CHG and SL-R11G when confirming compliance with the EMC standards.
24V DC
100 to
240 V AC
+
Ð
PE(GND)*
SL-U2
SL-U2
OC
+
-
N
L CAUTION 100-240V
AC
ONL
Y
(*)The PE terminal is a protective conductor terminal that must be connected to a protective earthing
conductor in the building.
System Switching Power Supply
Input power supply voltage AC 100 to 240 V ±10% (50/60 Hz)
Overvoltage category
Output voltage DC 24 V
±10%, Class 2
II
Ripple/noise 240 mVp-p or less
Output capacity 1.8 A
Ambient temperature -10
°C to +55 °C (non-condensing)
Relative humidity 35% to +85% RH (non-condensing)
Pollution degree 2
Withstand voltage AC 1,500 V, 1 min. (between all external terminals and case)
Vibration resistance
Shock resistance
10 to 55 Hz, 0.7 mm (0.03") compound amplitude, 20 sweeps each in X, Y, and Z directions
100 m/s 2 , 1,000 iterations each in X, Y, and Z directions
Insulation resistance At least 50 MW (DC 500 V mega, between all external terminals and case)
Supply voltage interruption 10 ms or less
Power consumption 135VA
Weight (excluding dedicated brackets) Approx. 240 g
Model SL-U2
Environ-
ment
WARNING
Always use a power supply that can fully satisfy the above requirements or use the
recommended SL-U2 power supply. Otherwise, the IEC/EN/UL61496-1 require-
ments may not be satisfied and the SL-CHG may not be recognized as a safety
component.