Siemens S5-135U/155U Manual De Usuario

4-68

System Manual

C79000-G8576-C199-06

The following approvals habe been obtained:

S

UL-Recognition-Mark
Underwriters Laboratories (UL) to 
Standard UL 508, Report E 116536

S

CSA-Certification-Mark
Canadian Standard Association (CSA) to 
Standard C 22.2 No. 142, Report LR 63534

Safety Specifications

The power supply unit complies with safety specifications
VDE 0805 / EN 60950 / IEC 950 / VDE 0160 and VDE
0106 Part 101.

Rated input voltageV

i/pN

DC 24 V +25% / -16.66%

Undervoltage signal V

i/p

v 20 V DC

Input current I

i/pN

at rated load and V

i/pN

 = 24 V DC

4.8 A

Inrush current peak I

i/pmax

100 A

I

@t value of inrush current

20 A

@s

Efficiency at rated load and V

i/pN

 = 20 V

without fan
with fan

0.71 typical
0.60 typical

Stored energy time for power failure

> 5 ms

Input fuse

6 A fast; 250 V; 6.3 x 32 mm

Rated output voltage V

o/pN1

5.1 V DC 

$ 0.5%

Rated output current I

o/pN1

10 A

Ripple

v 1% of V

o/p1

Static voltage tolerances

at 10% load variation
at 5% variation of UE
at temperature variation /1 K

v 0.02% of V

o/p1

v 0.04% of V

o/p1

v 0.02% of V

o/p1

Dynamic voltage tolerances
at load surge from 50 % to 100 %

overshoot
settling time

v 5% of V

o/p1

v 5 ms

Protection and monitoring

Overvoltage shutdown V

o/p1

Undervoltage signal V

o/p1

Current limiting for overload

6 V 

$ 5%

4.75 V + 5%
1.05 to 1.15 I

o/pN1

Test sockets for 
V

o/p1

I

o/p1

On front plate
On front plate (3 V 

¢ 10 A)

Linearity range 0.5 V/1.6 A to 3 V/10 A

Signaling section

Signals for SIMATIC S5

Central Controllers and Expansion Units Power Supply Units