Siemens SIMATIC S5-115F User Manual page 234

S5-115F Manual
PS 951 Power Supply Module 24 V DC; 5 V, 7 A
SIEMENS
SIMATIC S5
PS
7A/15A
Batt.
3.4V/5Ah
Replace by
trained
personnel
only!
+
EXT BATT
3.4...9V
BATT LOW
RESET
5V DC
5.2V DC
24V DC
INT DC
POWER
24 V DC
Battery
BATT LOW
RESET
7
5 V
5,2 V
24 V
EXT. BATT
L
6 5
M
INT. DC POWER
PE
4
1 Chopper controller 4 Control electronics
2 Linear controller 5 Rectifier
3 Linear controller 6 RI filter
7 Monitoring electronics
Block diagram
EWA 4NEB 811 6148-02
Technical Specifications
Input voltage L+
- rated value
- permissible range
Input current at 24 V
- rated value
- inrush current
- I
Power consumption
Output voltage
- rated value
- tolerance
Output current
-
- rated value without fans
- permissible range
Backup battery
- Backup time
Short-circuit protection
Fault indicator
Fuse (primary circuit)
L+
Class of protection
M
Floating
Insulation rating
- tested with
RI specification
Power loss of the
module
Signals
Weight
5 V
1
5,2 V
2
24 V
3
M
4
2
t
Technical Specifications
(6ES5 951-7ND31)
24 V DC
19.2 to 30 V
5.4 A
max. 132 A
2
16 A s
130 W
5 V
±2%
7 A
0.3 to 7 A
Li battery,
size C
(3.6 V/5 Ah)
min. 1 year (at 0.3 mA,
25 °C and
uninterrupted
backup supply)
electronic
no
integral
class 1
yes
electrical separation
to VDE 0160
500 V DC
A+14 dB to VDE 0871
typ. 34 W
approx. 1.9 kg (4.2 lbs.)
8-7