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ProfiTech M
OPERATING MANUAL
VERSION 07/2014 ORDER NUMBER DOC 2335144
7.13.2 INSTALLATION OF THE "KONTUR 2" LIGHT CURTAINS
NOTICE
To avoid malfunctions of the light curtains through electrostatic in uences, the following
points should be taken into account for every system!
1. Never plug in or pull connection cables at the light
curtains or the "Quattro" control section.
First switch o 24 VDC supply or remove connection box
at "Quattro" control section.
2. A brass ring can be found at the connection thread of
every light curtain.
This ring nishes level with the fastening bracket.
Ensure that the brass ring is present.
3. The metal ring of the connector must be fully screwed
onto the thread.
It is important that the plug's metal ring has contact with
the light curtain's brass ring.
4. If the thread of the light curtain is damaged, so that the
metal ring cannot be fully screwed on, the end piece of
the light curtain must be replaced.
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