Siemens ST750 - Figure 37 - Phase Output Flash Selection; Figure 38 - Relay Output Resistance Selection

ST750 GENERAL HANDBOOK
667/HB/33750/000 Page 90 Issue 6
1
RED
Phase:-
S2
ON
OFF
6
AMBER
Phase:-
1
S3
ON
OFF
6
7 & 8
not used
7 & 8
not used
Figure 37 – Phase Output Flash Selection
5.13.1.3 DIL Switch S1 Settings
The value of the series resistance for the relay contacts can be set to either 182
ohms or 22 ohms and is set on switch S1 as follows:
5
S1
ON
OFF
6
7
8
1
2
3
4
Relay Output:
ON = 22 Ohms
OFF = 182 Ohms
Figure 38 – Relay Output Resistance Selection