Technical Specifications - Velleman PEM300D Mode D'emploi

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7. Troubleshooting
Problem
Power LED does not light up.
Alarm LED does not light up
when the beam is interrupted.
Alarm LED lights up
continuously.
Intermittent false alarm signals. 1. Bad wiring.

8. Technical Specifications

Maximum Range (outdoors) 30m / 100ft
Maximum Range (indoors)
Current Consumption
Power Supply
Detection System
Delay Time
Alarm Output
Tamper Output (Tx & Rx)
Alarm LED (receiver)
Signal LED (receiver)
Power LED (both)
Laser Wavelength
Laser Output Power
IP Rating
Alignment Angle
Operating Temperature
Total Weight
Housing Material
Dimensions (WxHxD)
For more info concerning this product, please visit our website www.velleman.eu.
The information in this manual is subject to change without prior notice.
PEM300D
Possible cause
1. No power supply.
2. Bad wiring.
1. No power supply.
2. Bad wiring.
3. Beam is reflected on another object
and sent into the receiver.
4. The 2 beams are not broken
simultaneously.
5. The beam interruption time is
shorter than the delay time.
1. Deregulated alignment.
2. Object between the 2 units.
3. Unit sensors are dirty.
2. Unstable power supply.
3. Object between the 2 units.
4. Electronic noise source nearby.
5. Unstable installation of units.
6. Unit sensors are dirty.
7. Deregulated alignment.
8. Small animals pass by.
60m / 200ft
36mA
10~30V DC
Simultaneous breaking of 2 beams
50ms~700ms (adjustable)
contact capacity: NC/NO 1A / 120V AC
dry contact relay: NC ; contact capacity: 1A / 120V AC
red LED - ON when units are not aligned or when beam is broken.
yellow LED - ON when receiver's signal is weak or when beam is broken.
green LED - ON indicates there is power supply
650nm
≤ 5mW
IP-55
horizontal ±90° ; vertical ±15°
-25°C (-23°F) to +55°C (+131°F)
1.1kg
PC resin
74 x 170.5 x 72mm
1. Connect the power lines.
2. Check and repair the power lines.
1. Connect the power lines.
2. Check and repair the power lines.
3. Remove the reflecting object or change
the beam direction.
4. Adjust beam direction so they're broken
simultaneously.
5. Set a shorter delay time
1. Realign the units.
2. Remove object or relocate units.
3. Clean the sensors with a soft cloth.
1. Check and repair wiring.
2. Stabilize power supply.
3. Remove object or relocate units.
4. Remove noise source or relocate units.
5. Stabilize installation location.
6. Clean the sensors with a soft cloth.
7. Realign the units.
8. Set a longer delay time.
4
Solution
VELLEMAN

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