Installing Electrical Connections
Pin assignment in the Dräger REGARD 2400.
Connection terminal
1
2
Channel A
3
4
5
Channel B
6
7
8
Fault
9
10
11
Alarm 2
12
13
14
Alarm 1
15
16
17
Horn
18
19
20
Channel C
21
22
23
Channel D
24
GND
Digital Input
HU
D
Digital Input
+
COM
B
RS485 Interface
A
42
Terminal designation
+24 V
Signal
0 V
+24 V
Signal
0 V
Change-over contact
Change-over contact
Change-over contact
Change-over contact
+24 V
Signal
0 V
+24 V
Signal
0 V
0 V
D 2
0 V
D1
(max. 24 V; min. –0.3 V)
COM
B
A
with SE Ex 4-20 mA
converter module
brown
yellow
black
brown
yellow
black
brown
yellow
black
brown
yellow
black
Dräger REGARD 2400/2410