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Siemens S5-135U/155U User Manual

Page 118

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4-52

System Manual

C79000-G8576-C199-06

6ES5 955-3LF42

6ES5 955-3LC42

Output 1

Rated output voltage Vo/pN1

5.1 V DC

$ 1.2%

5.1 V DC

$ 1.2%

Rated output current Io/pN1

18 A

40 A

Basic load

0.5 A

1.6 A (typical)
3.1 A (worst case)

Ripple

v 1% of V

o/p1

v 1% of V

o/p1

Spikes

v 4% of V

o/p1

v 4% of V

o/p1

Static voltage tolerances

at 95% load variation

at 15% variation of V

i/p

at temperature variation / 1K

v 0.005% of V

o/p1

v 0.0005% of V

o/p1

v 0.02% of V

o/p1

v 0.08% of V

o/p1

v 0.0005% of V

o/p1

v 0.02% of V

o/p1

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

i/oN

overshoot

settling time

v 3% of V

o/p1

v 5 ms

v 3% of V

o/p1

v 5 ms

Maximum permitted capacity

100 mF

750 mF

Protection and monitoring

Voltage Monitor

Monitors voltage for
< 14 V and > 16 V

Monitors voltage for
< 14 V and > 16 V

Overvoltage shutdown V

o/p1

6V

$ 5%

6V

$ 5%

Undervoltage signal V

o/p1

4.75 V + 3%

4.75 V + 3%

Current limiting for overload

1.0 to 1.2 I

o/pN1

1.0 to 1.2 I

o/pN1

Test sockets for I

o/p1

On front plate (3 V

¢ 18 A)

linearity range:
0.5 V/2.8 A to 3 V/18 A

On front plate (3 V

¢ 40 A)

linearity range:
0.5 V/6.6 A bis 3 V/40 A

Signaling section

Signals for SIMATIC S5,
relays “Fan Warning, Fan Alarm,
Warning” 250V/3A

Signals for SIMATIC S5,
relays “Fan Warning, Fan Alarm,
Warning” 250V/3A

Green LED: “5V o.k.” for V

o/p1

LED lights up if
4.75 V < V

o/p1

LED lights up if
4.75 V < V

o/p1

Output 2

Rated output voltage V

o/pN2

DC 24 V (+ 25%, -12.5%)

DC 24 V (+ 25%, -12.5%)

Rated output current I

o/pN2

1 A

2.8 A

Total current X2 and front terminals

1 A max.

2.8 A max.

Ripple

v 1% of V

o/p2

v 1% of V

o/p2

Spikes

v 2% of V

o/p2

v 2% of V

o/p2

Protection and monitoring

Current limiting for overload

1 to 1.3 I

o/pN2

1 to 1.3 I

o/pN2

Green LED “24V o.k.” for V

o/p2

LED lights up if
V

o/p2

> 19.9 V to 21.1 V

LED lights up if
V

o/p2

> 19.9 V to 21.1 V

Maximum permitted capacity

0.2 mF

0.8 mF

Central Controllers and Expansion Units Power Supply Units