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8 007 487/10-10-99 Technical Description • LGT © SICK AG • Safety Systems • Germany • All rights reserved
6 Indicators and diagnostic elements
6.1 Indicators in the sender and receiver strips
6 Indicators and diagnostic elements
yellow Operating indicator, lights up continuously when the supply
voltage is applied.
yellow Operating inidicator, lights up continuously when the
supply voltage is applied.
green Lights up continuously when the light path is not obstructed;
flashes if reception inadequate (due to contamination or
alignment error).
red Lights up when protective zone interrupted.
Sender
Receiver
In operating mode
"without restart interlock"
In operating mode
"with restart interlock"
green Lights up continuously when light path unobstructed and
after enable by machine control;
flashes if reception is inadequate (due to contamination or
alignment error.
red Lights up when protective zone interrupted.
yellow Lights up when the machine control must be operated.
green Lights up continuously when light path unobstructed;
flashes if reception is inadequate (due to contamination or
alignment error).
red Lights up when protective zone interrupted.
6.2 Indicators in the control unit
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