Connector Assignments

Assignments of the CPU front connector (PG interface)

Pin No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Designation

Housing/0 V/0Vext

R x D

VPG + 5 V DC + 24 V from bus

0 V/0 Vint TxD

TxD

Housing/0 V/0Vext R x D

24 V ground

20 mA/transmitter

0 V/0 Vint

20mA/receiver VPG + 5 V DC

0V/0 Vint

System Manual

11-15

C79000-G8576-C199-06

Page 527
Image 527
Siemens S5-135U/155U appendix 11-15