Panasonic SF2B Series Instruction Manual page 85

Sensing range
Sensing area
Emission halt function
PSDI
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It is the range between the facing emitter and receiver.
It is the area over which intrusion by people or objects can be de-
tected by one set of the device. It is given by multiplying the sens-
ing height (protective height) by the sensing range.
This function enables checking of the receiver operation by turning
OFF light emission.
Wiring synchronization using 8-core cable: It is possible to halt
emission by keeping the terminal open, and to have normal emis-
sion by connecting it to 0V or +V.
Beam synchronization using 4-core cable: It is possible to halt
emission by connecting it to 0V or +V, and to have normal emission
by keeping the terminal open.
The abbreviation for the Presence Sensing Device Initiation.
The safety device that restarts automatically without any operation
by the operator after the device detects danger status and halts for
a while.
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