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

Output 2 (bus)
Rated output voltage V
o/p2
Rated output current I
o/p2
Total current rating
24V-/ 15V output
Ripple
Protection and monitoring
Fuse for overcurrent protection
Test sockets for V
o/p2
– green LED 15V/24V o.k. for V
Output 2 (front)
Rated output voltage V
o/pN4
Rated output current I
o/pN4
– Capacitive load
Protection and monitoring
Overcurrent protection by current limiting I
Test sockets for V
o/p2
– green LED 24V o.k. for V
Total current rating of 24 V voltages (bus and front)
Output 3 with 15 V auxiliary submodule
Rated output voltage V
o/pN3
Rated output current I
o/pN3
Ripple
Protection and monitoring
Overvoltage protection (output is short-circuited
at V )
o/p3
Undervoltage signal (LED 15V/24V o.k.
on front plate goes off at)
Overcurrent protection I
o/p3
Test socket for V
o/p3
Fans
Fan type
Input voltage
Flow rate per fan
Fan monitoring
Expected service life of a fan
Isolation primary/sekondary
and test voltages
Weight
Environmental data
RFI suppression
System Manual
C79000-G8576-C199-06
Central Controllers and Expansion Units Power Supply Units
24 V DC +25% / -20%
0.8 A
0.8 A
Input voltage ripple
1.5 A fast; 250 V; 6.3 x 32 mm
on front plate (24 V test)
(fuse monitor) The LED lights up when V
o/p2
24 V DC +25% / -24%
0.4 A
< 100 nF
> 0.44 A
o/p4
on front plate (24 V test)
The LED lights up when V
o/p4
must not exceed 0.8 A
15 V DC
0.5 A
5% of V
18.5 V
14 V
by current limiting > 0.5 to 1.5 A
on front plate (15 V test)
2 axial fans
24 V DC
160 m3/h (no-load value)
Air flow monitoring with PTC thermistors as sensors;
stoppage of one or both fans is detected and signaled to the
exterior via Fan Fault LED and relay contacts, and results
in shutdown of output voltage (switched off via jumper
F-R).
30 000 to 40 000 h typical at 55
40 000 to 50 000 h typical at 30
No
3.75 kg
See technical specifications of the S5-135U/155U CC
DIN VDE 0871, A
> 17.9 to 18.5 V
o/p2
> 16 V 20%
o/p4
5%
o/pN3
3%
o
C;
o
C;
4-69