Dräger Polytron 7000 Instructions For Use Manual page 32

Installing accessories
After connecting the relay module to the measuring unit:
6 Fit the cover again.
Mounting the measuring unit with relay module
7 Slide the measuring unit with relay module into the docking station and lower
it into position, see page 24.
8 Turn the eccentric catches clockwise with an Allen key to lock the measuring unit
⇒
( = approx. 180
Connecting the devices to be switched
The relay module has three 3 potential-free outputs, each capable of switching
250 V / 5 A:
— A1 relay (switches when the A1 gas alarm is active)
— A2 relay (switches when the A2 gas alarm is active)
— Fault relay (switches in the case of a device fault)
Setting the alarm thresholds: see page 62.
Connect the devices to be switched to the cable sockets.
Cable sockets of the following types may be used:
— Binder Type 692
— Amphenol Type C16-1
— Hirschmann Type CA3 LD Part No. 934–125–100
— Dräger Safety
Pin assignments of the built-in plug on the relay module:
(see also the inside of the relay cover)
1 normally closed
2 common
3 normally open
4 not connected
Note the assignments of the relay outputs on the relay cover.
Insert and lock the plug.
Close the relay cover.
32
o
).
Part No. 99–0210–00–04
Part No. T 3109–001
Part No. 18 90 086
6
Polytron
OK
7
8
2
3
1
4