Installing Accessories; Daisy Chain Kit - Cable Entry Kit - Dräger Polytron 7000 Instructions For Use Manual

Installing accessories

Various accessories are available for the Dräger Polytron 7000 transmitter
and may also be installed later.
Daisy chain kit – Cable Entry Kit
Intended use
Daisy chain kit – 83 17 282:
— For the connection of several transmitters to one bus cable (daisy chain or
multidrop connection)
Contents of the kit
— Cable gland with nut, 4-pole orange terminal block
Preparing the docking station
Install the docking station as described in the installation notes 90 23 760.

1 Break or drill out the prepared breakthrough for the second cable gland
from the inside of the docking station.
The hole should have a diameter of 20.5 mm.
Check that the docking station has no loose parts, and clean it if necessary.

Insert the nut of the cable gland into the docking station.

Screw in the cable gland from the outside of the docking station and tighten

it.
Electrical connections
Connect the wiring as described in the installation notes for the docking

station (90 23 760).
2 Insert the 4-pole terminal block into the holder on the mounting plate.
If necessary:
refit the raincover (protection against dust and splashing water).

The two 4-pole terminal blocks for input (3) and output (2) are electrically
connected 1:1 to each other inside the transmitter.
Installing the measuring unit
Install the measuring unit as described in the installation notes 90 23 759.

— Due to the second terminal block, the resistance when installing the meas-
uring unit is slightly higher.
Make sure that the measuring unit is fully lowered and hits the stop.
NOTE
Installing accessories
1
X7 X8
2 3
27