ABB 2TLA020009R0600 Manuale di istruzioni originale - Pagina 15
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5
Operation
LED indication
LED
LED on transmitter
LED on receiver
2TLC172178M0201, rev. D
2011-11-15
Indication
Description
Green
Power supply OK
Green
Alignment OK, safety circuit closed
Green (flash)
Alignment OK, safety circuit opened before this unit
OFF
Beam interrupted, safety circuit open
15
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