8 Cascading of Light Grids Lichtgitter -Commissioning
8.9 Commissioning of cascadable light grids (All instructions in chapter 6 Commissioning are
strictly to be observed).
Adjustment of the light grids: --> Caution: The correct adjustment of the transmitters onto their re-
ceivers must always start with the last light curtain of the cascade, as the preceding light curtains only
go into "free" state after the succeeding (last one) light curtains are have switched to "free" state.
The cascadable transmitters indicate the interruption in the protective field of the connected receiver
by short flickering (once per second) of the yellow LED. If the protective field of the connected recei-
ver is free, the yellow LED will light up permanently and the transmitter is in transmitting state.
adjustment order:
step 1: slave sensor 2 adjust at first
FIESSLER
E L E K T R O N I K
LEDs on the receiver
OSSD`s on (akivated)
OSSD`s off (deaktivated)
insufficient reserve
restart interlock
fig 38/1
Machine control and
power supply
receiver
receiver
yellow LED is on
yellow LED is on
Yellow LED flickers at 1Hz
receiver
step 2: slave sensor 1 second to be adjusted
receiver
receiver
yellow LED is on
yellow LED is on
yellow LED is on
receiver
fig 38/2
Machine control and
power supply
step 3: master sensor last to be adjusted
the green or yellow LED will be on (depending on operating mode), if the master sensor is correctly adjusted
receiver
receiver
receiver
yellow LED is on
yellow LED is on
yellow LED is on
Machine control and
power supply
fig 38/3
38
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