Dräger Polytron 7000 User Manual

23
Electrical connections
4-wire connection
— Connection to central device with at least 4-wire cable, 0.5 (AWG 20) to
2.5 mm
2
(AWG 13).
Installing the LON Communication on the transmitter
— For installation using LON communication up to 63 Polytron 7000 can be
connected to a four wire cable in any configuration including bus, star, loop
and mixed.
 Insert the 4-wire connecting cable in the cable gland, cut it to length and
strip the insulation (approx. 80 mm).
 Shorten the shield (if installed) to prevent short-circuiting:
 Connect cable
1 4-pin terminal for Dräger Polytron 7000 – observe polarity.
Slide connecting terminal back into holder.
 Secure cable in holder.
 Fold up the installation notes and place them in the Dräger docking station
for future use during commissioning.
 Refit raincover (protection against dust and splashing water).
Installing the transmitter in non-explosion-hazard areas:
CAUTION
With 4-core connection the transmitter has no Ex protection. Once the trans-
mitter has been used after installation in this manner, it may never be
installed in explosion-hazard areas. Explosion hazard!
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Dräger Polytron 7000 Specifications

General

Brand	Dräger
Model	Polytron 7000
Category	Adapter
Language	English