SH-61/SH-62
Installation Instructions
Digital Active Infrared Sensor
1
0706-00
1.
Device Parts
The SH-61/SH-62 Digital Active Infrared Sensor is
composed of the following parts:
•
The main body
•
The cover
Figure 1: SH-61/SH-62 Main Body
Figure 2: SH-61/SH-62 Cover
1.1.
LED
The SH-61/SH-62 has two LEDs (see label 1 in Figure 1) - a
LED Receiver and a LED Transmitter.
Figure 3: LED Receiver
Figure 4: LED Transmitter
The LED Receiver has three lights:
Good – green; On when optically aligned; Off when
optically not aligned.
Level – red; intensity varies with signal.
Alarm – alarm indication lamp.
The LED Transmitter has one light:
Power – green.
1.2.
Monitor Jack
The Monitor Jack (see label 2 in Figure 1) is used for
making the optimum optical axis adjustment. Refer to
section
5.2 for a detailed description.
1.3.
Obscuration Time Adjustment
The Obscuration Time Adjustment (see label 3 in Figure 1)
is used for setting the obscuration time. Refer to section
1
for a detailed description.
2.
Suggestions for Installation (1)
1)
Ensure that the sensor's line of sight is free from any
false alarm sources, such as bushes, trees, and the
like.
Note: Be aware that these false alarm sources
may change seasonally.
Figure 5: False Alarm Sources in Sensor Path
2)
Ensure that the sensors are mounted on a stable and
firm fixing.
Figure 6: Sensor Mounted on Unstable Fixing
3)
Ensure that strong sunlight or car headlights do not
shine directly onto the receiver.
Note: Within ±2º from the optical axis is not
recommended.
Figure 7: Strong Sunlight on Receiver