Dräger RailGard-S1 Installation And Operating Manual page 10

Connection diagram Dräger RailGard-W4 and -W1
All relays shown are in a de-energised position, when the unit is switched-off !
The Fault relay as well as the Alarm 1 and Alarm 2 relays are normally energised.
Terminals for sensor connection:
Terminal with short-
circuit straps
1
2
3
4
5
6
19
20
21
22
23
24
Note:
Only channel A can be equipped with a converter in the Dräger RailGard-W1.
Dräger RailGard-W4 allows to connect the converter from channel A to D.
with
converter
+24V brown
4-20mA yellow
GND black
+24V brown
4-20mA yellow
GND black
+24V brown
4-20mA yellow
GND black
+24V brown
4-20mA yellow
GND black
10