Power Supply Modules - Siemens SIMATIC S5-115U User Manual

S5-115U Manual

15.2.2 Power Supply Modules

Power Supply Module PS 951 120/230 V AC; 5 V, 3 A
SIEMENS
SIMATIC S5
PS
3A
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
VOLTAGE
SELECTOR
Battery
BATT LOW
RESET
7
5 V
5.2 V
24 V
EXT. BATT
L1
6 5 4
N
INT. DC POWER
PE
4
1 Chopper controller 4 Control electronics
2 Linear controller 5 Rectifier
3 Linear controller 6 Radio interference suppression filter
7 Monitoring electronics
Block diagram
EWA 4NEB 811 6130-02b
Technical specifications
Input voltage L1
- Rated value
- Permissible range
Line frequency
- Rated value
- Permissible range
Input current at 120/230 V
- Rated value
- Inrush current
2
- I t
Power consumption (active power)
Output voltage
+ -
- Rated value
- Tolerance
Output current
- Rated value without fan
- Rated value with fan
- Permissible range
Output voltage (PG/OP)
- Rated value
- Tolerance
Output current
Output voltage (auxiliary voltage)
- Rated value
- Tolerance
Output current
Backup battery
L1
- Backup time
N
120/230V AC
Mains buffering
(at L1
Short-circuit protection
Fault indicator
Fuse (primary circuit)
Signals to CPU
Class of protection
Galvanic isolation
5 V
1
Isolation rating
5.2 V
2
24 V
3
M
- Tested with
Initial discharge current
to VDE 0160 at 230 V AC
RI specifications
Power losses of the module
Weight
Technical Specifications
max.
min.
) min.
min
typ.
approx. 1.6 kg (3.53 lb.)
(6ES5 951-7LB21)
120/230 V AC
94 to 132 V/
187 to 264 V
50 Hz
47 to 63 Hz
0.55/0.33 A
15×I
N
2
0.135 A s
44.8 W
5 V
±1.5%
3 A
3 A
0.3 A to 3 A
5.2 V
±1.5%
max. 1 A
24 V
±5%
max. 0.2 A
Lithium battery,
size C (3.6 V/5 Ah)
1 year (at 0.3 mA,
25°C and
uninterrupted
backup)
20 ms
Electronic
No
Integral
Class 1
Yes
Safe electrical
isolation
according to VDE
0160
2700 V DC
2.6 mA
A according to
VDE 0871
19.8 W
15-9