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Commissioning information
How to align a Beam Sensor pair
Overall process to align Beam sensor pair
j
[Autogain] the 'beam receiver'
k
[Align] the 'beam sensor pair'
l
Adjust the 'beam transmitter'
m
[Autogain] at the device
n
Adjust the 'beam receiver'
o
[Autogain] at the device
[Autogain] the 'beam receiver'
at the panel.
During the alignment process all the LEDs on the 'beam transmitter' and 'beam receiver' act as a simple level
meter to indicate the ADC bit level. An increase in level causes the intensity of the particular LED to
increase, until the level is enough to turn on the next LED to the right.
This Red LED illuminates during
alignment to indicate a low level
signal, which means the sensor
is Out of Specification.
Less than 140 bits
These Green LEDs are lit during the alignment process to indicate the ADC bit level.
Make adjustments in the X axis and Y axis, using adjusters on the beam sensor
bracket to let the highest Green LED to illuminate. The LEDs update
every 2 seconds, so make small adjustments and wait for the indication to refresh.
The illumination of red LEDs on a beam sensor will indicate the level is either too low or too high and it is
important to carry out a sensor [Auto Gain] after adjustment of the bracket.
2
Check Gain value matches the distance
as stated on page 13.
Repeat the process if required.
Move on to align the next beam
140 bits
S4 Beam Sensor & brackets
sensor pair
This Red LED illuminates during
alignment to indicate the sensor
has reached Saturation.
More than 180 bits
180 bits
4188-968 issue 4_Part 2_07-12_S4 mains interface
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