Glossary
© Panasonic Industrial Devices SUNX Co., Ltd. 2017
171
Safety distance
The minimum distance that must be maintained between the light
curtain and the dangerous part of the machine so that the machine
can be stopped before a human body or object reaches the dan-
gerous part.
Sensing height (protec-
tion height)
The height of the beam-axis direction wherein the minimum sens-
ing object can be detected.
Length from the center of the 1st beam axis of the device to the
center of the last beam axis + 20 mm
(top end + 10 mm, bottom end + 10 mm)
Sensing range (effective) Distance between the emitter and receiver.
Sensing area
Area over which intrusion by people or objects can be detected by
the device.
The area is given by the sensing height multiplied by the sensing
range.
Test input state
Function that checks operation by forcibly turning the control output
(OSSD) of the receiver ON and OFF while light from the emitter is
being received
PSDI
Abbreviation for Presence Sensing Device Initiation.
This is a safety device that restarts the device automatically with-
out operator intervention after the device has detected danger and
temporarily halted.
Содержание SF4D-x-01 Series
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