Siemens S5-135U/155U System Manual page 118

Central Controllers and Expansion Units Power Supply Units
Output 1
Rated output voltage Vo/pN1
Rated output current Io/pN1
Basic load
Ripple
Spikes
Static voltage tolerances
– at 95% load variation
– at 15% variation of V
i/p
– at temperature variation / 1K
Dynamic voltage tolerances
at load surge 50% to 100% I
i/oN
– overshoot
– settling time
Maximum permitted capacity
Protection and monitoring
Voltage Monitor
Overvoltage shutdown V
o/p1
Undervoltage signal V
o/p1
Current limiting for overload
Test sockets for I
o/p1
Signaling section
Green LED: "5V o.k." for V
o/p1
Output 2
Rated output voltage V
o/pN2
Rated output current I
o/pN2
Total current X2 and front terminals
Ripple
Spikes
Protection and monitoring
Current limiting for overload
Green LED "24V o.k." for V
o/p2
Maximum permitted capacity
4-52
6ES5 955-3LC42
5.1 V DC 1.2%
18 A
0.5 A
1% of V
o/p1
4% of V
o/p1
0.005% of V
o/p1
0.0005% of V
o/p1
0.02% of V
o/p1
3% of V
o/p1
5 ms
100 mF
Monitors voltage for
< 14 V and > 16 V
6V 5%
4.75 V + 3%
1.0 to 1.2 I
o/pN1
On front plate (3 V 18 A)
linearity range:
0.5 V/2.8 A to 3 V/18 A
Signals for SIMATIC S5,
relays "Fan Warning, Fan Alarm,
Warning" 250V/3A
LED lights up if
4.75 V < V
o/p1
DC 24 V (+ 25%, -12.5%)
1 A
1 A max.
1% of V
o/p2
2% of V
o/p2
1 to 1.3 I
o/pN2
LED lights up if
V > 19.9 V to 21.1 V
o/p2
0.2 mF
6ES5 955-3LF42
5.1 V DC 1.2%
40 A
1.6 A (typical)
3.1 A (worst case)
1% of V
o/p1
4% of V
o/p1
0.08% of V
o/p1
0.0005% of V
o/p1
0.02% of V
o/p1
3% of V
o/p1
5 ms
750 mF
Monitors voltage for
< 14 V and > 16 V
6V 5%
4.75 V + 3%
1.0 to 1.2 I
o/pN1
On front plate (3 V 40 A)
linearity range:
0.5 V/6.6 A bis 3 V/40 A
Signals for SIMATIC S5,
relays "Fan Warning, Fan Alarm,
Warning" 250V/3A
LED lights up if
4.75 V < V
o/p1
DC 24 V (+ 25%, -12.5%)
2.8 A
2.8 A max.
1% of V
o/p2
2% of V
o/p2
1 to 1.3 I
o/pN2
LED lights up if
V > 19.9 V to 21.1 V
o/p2
0.8 mF
System Manual
C79000-G8576-C199-06