Panasonic EX-21 Series User Manual page 17

<Reference>
Thru-beam type
5HWURUHÀHFWLYH W\SH
'LIIXVH UHÀHFWLYH W\SH
&RQYHUJHQW UHÀHFWLYH W\SH
1DUURZYLHZ UHÀHFWLYH W\SH
Relation between output and indicators
In case of Light-ON
Stability
indicator
(Green)
Lights up
Turns OFF
Turns OFF
Lights up
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Light received condition
Emitter Receiver
Sensor 5HÀHFWRU
Sensor
Sensor
Operation
indicator Output
(Orange)
Lights up ON
OFF
Dark condition
Emitter
Sensing
object
Sensor
Sensing
object
Sensing
Sensor
object
Sensing
Sensor
object
Sensing
Output
condition
Stable light
receiving
OFF
Unstable light
receiving
Unstable dark
receiving
ON
Stable dark
receiving
Receiver
5HÀHFWRU
In case of Dark-ON
Operation Stability
indicator indicator
(Orange) (Green)
Lights up
Turns OFF
Turns OFF
Lights up
Lights up
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