Panasonic SF4D-A18 Instruction Manual page 17

<Emitter>
Emits light toward the facing receiver. The status of the emitter is indicated by the indicators.
<Receiver>
Receives light from the facing emitter. The control output (OSSD 1 / 2) turns ON when light from
the emitter is received on all beam channels, and turns OFF when light is blocked on one or
more beam channels.
The status of the receiver is indicated by the indicators.
When using as a safety device for a press machine or paper shearing machine in Japan
When using as a safety device for a press machine or paper shearing machine in Japan, always at-
tach the protective tube SFPD-A10 (option) to the cable.
<Beam channels>
Light emitting elements are arranged in the emitter and light receiving elements are arranged in
the receiver at intervals of 10mm (SF4D-F□-01), 20mm (SF4D-H□-01), or 40mm (SF4D-A□-01).
<Indicators>
Emitter:
Light emission intensity control indicator
Receiver:
Function setting indicator
© Panasonic Industrial Devices SUNX Co., Ltd. 2020
Upper application indicator
Lower application indicator
Emitter: Test indicator
Receiver: Interlock indicator
Emitter: Operation indicator
Receiver: OSSD indicator
Part Description
Upper application
indicator
Lower application
indicator
Stable light
reception indicator
Digital indicator
Frequency indicator
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