Dräger REGARD 2400 Instructions For Use Manual page 8

Electrical Connections and Installation
Connection Diagram Dräger REGARD 2400
The picture shows a Dräger REGARD 2400. The mains supply voltage is 230 VAC or
24 VDC.
A B COM + D HU GND
The picture shows Dräger REGARD 2400 in an unpowered condition.
— When switched on, Dräger REGARD 2400´s error- and alarm relays are normally energi-
zed and contacts 8-9, 11-12, 14-15 are open. The horn relay remains unchanged when
switched on (factory set configuration).
— All relays are freely configurable via software.
Using the 24 VDC power supply input on Dräger REGARD 2400
To use the 24 VDC power supply input on the Dräger REGARD 2400 first a cable connection
inside of the unit has to be changed.
Unscrew and remove front panel.
Remove cable connector from the 110/230 VAC input and put it onto the 24 VDC input
terminal.
Fix the front panel.
Re-label the input connector terminals to "–", "NC" and "24", "VDC".
— See connection diagram on page 35.
Mains voltage (230 V, 50 Hz)
Contact with this voltage can cause serious burns or even death.
Work on electrical circuits shall only be carried out by a quallified electrician. Disconnect the
mains voltage before installation!
The VDE regulations, the local accident-prevention regulations and these instructions for
use must be observed al all times!
34
Error
Channel Channel
C D
19 20 21 22 23 24
Channel Channel
A B
7 8 9
1 2 3 4 5 6
DANGER
WARNING
Alarm 2 Alarm 1 Horn
10 11 12 13 14 15 16 17 18
optional: 0V 24VDC
N L