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8
FUNCTIONS
①Alarm output changeover
(Function setting switch: DIP 1)
N.C. or N.O. can be selected
for alarm output logic.
②Environmental output changeover
(Function setting switch: DIP 2)
N.C. or N.O. can be selected
for environmental output logic.
Environmental output setting:
When the light reception level reaches the prescribed level or less for the
following reasons, the environmental contact output and LED will activate.
・Protection line obstructed due to growing trees and weeds
・Dirt on the surface of sensor cover and reflector
・Environmental deterioration caused by thick fog, blizzard, snow cover
・Incorrect alignment of optical axis of sensor and reflector, etc.
In such cases, take appropriate measures like cutting trees,
cleaning the device, adjusting optical axes and so on,
so that the light reception is restored to the prescribed
level or more.
(Signal output continues min. 5 sec. until
the light reception is restored to the
prescribed level or more)
It may take some time (max. a few minutes) for the environmental
output to recover even if the environment is restored. Press the
distance setting button for immediate recovery.
Be sure to wash the sensor cover only with water without wiping it
with a cloth.
③ Response time adjustment (Function setting switch: DIP 3/4)
The detectable interruption time can be selected.
(Refer to the diagram below to adjust the response time.)
Function setting switch
0.05sec. 0.1sec. 0.25sec. 0.5sec.
1 2 3 4 5 6
3 4
（factory set：0.05sec）
Response : 0.05 sec.
Response : 0.25 sec.
Run at full speed
Walking normally
Detection mode changeover
Select "Normal" mode (factory set) as regular setting.
This device is designed to emit an infrared beam from the
sensor body, monitor the change in the amount of light
returning from the reflecting object and the change in the
distance to the reflecting object
and output an alarm signal when
they exceed the prescribed value.
In "Normal" mode, lost alarm
caused by light wraparound
can be prevented by monitoring
these two changes.
9
OPERATION CHECK
After mouting the sensor
and the reflector, wiring
and making the alignment
adjustment, check the
operation of the sensor with
its cover attached by looking
at the alarm LED.
※When setting tone indicator to "ON",
walk test mode starts 5 minutes after closing
the cover, and pip sound comes out for alarm.
Function setting switch
N.C.
N.O.
1 2 3 4 5 6
N.C. (Factory set)
1
1
Function setting switch
N.C.
N.O.
1 2 3 4 5 6
N.C. (Factory set)
2
2
Sensitivity attenuation
/Environment LED : ON
3 4
3 4
3 4
Response : 0.5 sec.
Walking slowly
Wall, signboard, etc.
Beam reflected
on objects
Beam on protection line
Alarm LED is ON
① Make sure that the alarm LED is off (in alarm condition)
and confirm that there is nothing to block the infrared light.
② Cross the infrared light in various places on the
pip
protection line and check the operation. Confirm that
the alarm LED is ON (alarm condition).
③ The device is operating normally if the alarm LED
changes from ON (alarm) to OFF (protection) when
you cross the infrared light.
Tone Indicator
④ Check also the operation of the connected system.
: ON
Alarm is output during the light interruption time or for
2 seconds when light is blocked for less than 2 seconds.
<Caution>
・If the interruption time is shorter than the response time, there is no
detection of obstructing object.
・If there is a possibility that large flying objects (birds, falling leaves, etc.)
shield the optical axis, set the response time longer, considering the
installation conditions.
④ Tone Indicator (Function setting switch : DIP 5)
When tone indicator switch is ON, reception level is notified with sound.
(Only when Monitor output switch is set to "Reception")
・As the light reception level increases, the sound changes from
intermittent tone to continuous tone, and the pitch increases after that.
・This function operates only when the sensor cover is removed.
Function setting switch
1 2 3 4 5 6
OFF (factory set)
Also, when selecting "ON", walk test mode starts after closing of the cover.
※Walk test mode
For 5 minutes after closing the cover, a pip sound is emitted when
crossing the protection line, for easy operation check.
(It automatically stops after 5 minutes)
To extend the time for another 5 minutes, open the cover and close it
again. Repeat this action to extend the time further.
⑤Detection mode changeover
(Function setting switch : DIP 6)
Depending on the environment
of the installation location,
"Normal" or "Harsh" can be
selected.
Select "Normal" mode (factory set) as regular setting. When setting to
"Harsh", read the section of 【Detection mode changeover】below
carefully and fully understand the content before use.
⑥Monitor output
"Distance" or "Reception" can be selected when adjusting the optical axis
using a test meter. When set to "Distance", you can check the distance to
the reflector. Use it when there are reflective objects near the protection
line.
※Refer to "7 OPTICAL AXIS ADJUSTMENT" for further detail.
However, when the environment suddenly changes in a short period
of time (such as concentrated torrential rain, rapid thick fog or snowstorm),
the amount of light reflected and returned may change so suddenly
that an alarm signal is output.
If this happens occasionally, set the detection mode to "Harsh" mode. "Harsh"
mode monitors only the change in the distance to the reflecting object, which
makes it difficult for a false alarm signal to be output even if there is a sudden
change in the environment.
※"Environmental output" is output regardless of detection mode.
On the other hand, in the "Harsh" mode, wraparound of the light may not be
prevented. Recheck the operation, such as whether the alarm signal is always
output when crossing the protection line, and start operating the device.
⑦
Monitor output switch :
"Reception"
OFF
ON
5
5
Function setting switch
1 2 3 4 5 6
Normal (factory set)
Distance
Reception
Normal
Harsh
6
6
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