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Siemens S5-135U/155U User Manual

Page 522

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11-10

System Manual

C79000-G8576-C199-06

Connector assignments of the 6ES5 955-3NA12 power supply unit

The terminals of the supply lines between the power supply unit and the
backplane are in an 8-way connector (subminiature, fitted with 8 high-current
contacts, Series D to MIL-C24308).

1

2

3

4

5

6

7

8

M2 (0V)

5V/10A

The signal terminals of the power supply unit are in a 37-way connector
(plug connector, 37-way, Series D to MIL-C24308).

BASP

M2 (0V)

1

2

3

4

5

6

7

8

9

10 11 12 13 14 15 16 17 18 19

DSI

GEP

+15 V

24V/0.8A

BASP A

U BATT

CPKL BAU

20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37

–15V

RLSA

RESET

RESET A

DS

NAU

HOLD

unas-
signed

RESIN

IR

Connector X1

Connector X2

Connector Assignments