Siemens S5-135U/155U System Manual page 119

Output 3
Rated output voltage V
o/pN3
Rated output current I
o/pN3
Ripple
Spikes
Protection and monitoring
Overvoltage shutdown V
o/p3
Current limiting for overload
Green LED "15V o.k." for V
o/p3
Maximum permitted capacity
Backup battery
Type
Capacity
No-load voltage
Voltage under load
Storage life
Service life in operation
(see Section 4.3.4 for backup times)
Rechargeable battery
Type
Capacity
Rated voltage
Service life in operation
(see Section 4.3.4 for backup times)
Protection against exhaustive discharge
Service life of fans
Weight
Noise emission
Environmental data
System Manual
C79000-G8576-C199-06
Central Controllers and Expansion Units Power Supply Units
6ES5 955-3LC42
15 V DC ( 5%)
0.5 A
1% of V
o/p3
3% of V
o/p2
17 V 5%
1 to 1.5 I
o/pN3
During startup 4 I for 40 ms
AN3
LED lights up if
14.2 to 14.7 V < U < 16.1 to
A3
17.9 V
10 mF
Lithium thionyl chloride
5 Ah
3.6 V
3.4 V
approx. 10 years
3 years max.
Nickel cadmium
1.2 Ah
3.6 V
6 years at 40 C (104 F)
yes
approx. 50.000 h at 40 C
approx. 5.8 kg
58 dBA
See technical specifications of the S5-135U/155U CC
6ES5 955-3LF42
15 V DC ( 5%)
2 A
1% of V
o/p3
3% of V
o/p2
17 V 5%
1 to 1.5 I
o/pN3
LED lights up if 14.2 to 14.7 V <
U < 16.1 to 17.9 V
A3
10 mF
approx. 50.000 h at 40 C
approx. 5.8 kg
58 dBA
4-53