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
with
converter
1 +24V
brown
2 4-20mA
yellow
3
Ch
an
n
e
l A
GND black
4 +24V
brown
5 4-20mA
yellow
6
Ch
an
n
el B
GND black
19 +24V
brown
20 4-20mA
yellow
21
Ch
an
n
el C
GND black
22 +24V
brown
23 4-20mA
yellow
24
Ch
an
n
el D
GND black
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.
