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3
PRECAUTIONS
Description of the Display
Indicates information that, if ignored and the device is handled incorrectly, may result in death or serious injury.
Warning
Indicates information that, if ignored and the device is handled incorrectly, may result in injury or damage to property alone.
Caution
This symbol indicates a prohibited action, with the specific action shown near the symbol.
Indicates useful information.
Do not use the sensors powered with a voltage level other
than the indicated power supply voltage specified (between
10.5 to 30V DC). It may cause a fire or electrical shock.
Do not connect a device that exceeds the capacity shown to
the output contact of this device. It may cause fire or electrical
shock.
Do not touch the terminal section with wet hands.
It may cause an electrical shock.
Consider the rated protection distance for each device, and
use within the rated distance.
Do not install the device as shown below. It may cause a false alarm or a lost alarm.
Installation in locations
shaded by trees etc.
Installation on uneven
ground
Slanted installation
Cautions when using the outdoor photoelectric beam sensor (Daily maintenance)
1. In areas where there are trees or weeds, the photoelectric beams may get obstructed by overgrown branches or leaves.
As this may cause false detection, be sure to trim down leaves and branches according to the growth of the plants.
Furthermore, the photoelectric beams may get obstructed by swaying branches or leaves due to wind. Keep in mind the swaying of leaves
and branches when trimming them.
2. Vine plants may wrap around the photoelectric beam sensor causing false detections. Therefore, be sure to prune such plants
regularly.
3. Insects, bird droppings, or other natural phenomena may also soil the sensor causing false detection. Be sure to clean the sensors
regularly.
This manual describes the precautions to be observed for safe operation of this device by classifying them into the
following categories. As these are important, be sure to read and strictly observe them.
Warning
Caution
Installation in locations where
strong light such as vehicle headlights,
LED lights, or IR illumination for cameras
enter the optical axis.
Installation in locations where
the device may be splashed by
dirty water or direct sea spray
Overhead wiring
②
Example:
Do not disassemble or modify this device. It may cause a fire,
electrical shock, or malfunction of the device.
If smoke, an abnormal odor or sound is found, leaving it
unattended may cause a fire or electrical shock.
Immediately turn off the power to the device and confirm
that the abnormal state has been corrected, and then ask
the place of purchase for repair.
Do not install this device in a location that cannot support its
weight. The device may fall and cause injury or malfunction
of the device.
Installation in locations
where sunlight (sunrise
/sunset) enters the optical
axis.
Installation directly
above a wall
Horizontal installation
Do not disassemble
Installation in areas where
objects that move
(laundry on a line, etc)
can obstruct the optical axis
Installation in an unstable
location
Installation close to a wall
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