Siemens ST950 Handbook page 45

Lamp Switch Card ConnectionsFigure 16 details the connections on the back of
one of the Lamp Switch cards. The back of all the Lamp Switch cards are identical
except, it should be noted, that the ZXO wires, the output from the lamp supply
monitoring transformer (LSupp) and the Solar Cell input must be connected to the
first Lamp Switch card.
Figure 16 – Lamp Switch Card Connections
Security classification Unrestricted
Version 5
Last Editor Neil Atkinson
Document Name ST950 ICM Handbook
Copyright © Siemens Mobility Limited 2018. All Rights Reserved.
PLB z
32 EARTH
28 GREEN
SUPPLY
24 ZXO-N
(240V)
20 ZXO-LIVE
16 Sen34+ COMMON
14 Sen35+ Sen33+
12 Sen36+
10
8 1R
6 -
4 2R
2 -
PLA z
32 3A
30 -
28 -
26 -
24 4R
22 -
20 -
18 -
16 -
14 -
12 6R
10 -
8 -
6 -
4 -
2 8G
Sopers Lane, Poole, Dorset, BH17 7ER
b d
NEUTRAL 30
R/A 26
SUPPLY
ZXO-N 22
(110V)
LSupp- 16
LSupp+ 14
12
SOLAR 10
1G 8
- 6
1A 4
2A 2
b d
3R 32
2G 30
3G 28
4A 26
5A 24
- 22
4G 20
5R 18
5G 16
6G 14
6A 12
7G 10
7A 8
7R 6
8A 4
8R 2
Page
Status
Date
Document No.
Intelligent Traffic Systems
45 of 125
Issued
18-Dec-2018
667/HE/46950/000