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6.
Carry out the walk test. Make sure that the red LED is On after the
walk test.
B) Without the alignment tool: (fig. i, back cover)
1.
Insert the mirror blinders in order to ensure that the detector is in
single-curtain mode.
2.
Put J2 to on and wait until both LEDs are Off.
3.
Walk in front of the detector across the field of view at normal speed
(without pausing) and at some distance away (>10 m). When you enter
the beam, both LEDs will start to blink simultaneously.
After crossing the beam, if:
1. The red LED is on (fig.
2. The red and yellow LEDs are blinking simultaneously then the
field of view is obstructed and is insufficient to verify an alarm.
There are two options:
If the blinking started near the end of the detection area, you need
to align the laser beam to the left (fig. i B).
If the blinking started near the start of the detection area, you need
to align the laser beam to the right (fig. i C).
Loosen the base fixation screws (fig.
screws in the base to realign the beam to the centre, as shown in fig.
c B. When the beam is correctly realigned, retighten the base fixation
screws.
4.
If the LEDs do not blink, the curtain is outside of the detection range
i
(fig.
D) . Walk across the beam at a shorter distance to try to
detect it.
5.
Redo the walk test to confirm that the detector is correctly aligned.
6.
Put J2 to Off.
Note 1: If the CLM is on, the Trouble output is activated.
Note 2: It is advised to place the cover on the detector during the CLM
walk test.
4. General information
A) LED indication
Detector
status
Power on
Alarm
Trouble
High/Low voltage
i
Yellow
Red
LED
LED
- - -
- - -
A), the alignment is OK.
) and use the three adjustment
Description
Blinks alternatively for 50 sec.
On during alarm period - nominally
3 sec.
Continually On.
On until correct voltage is restored.
- 11 -
= On
= Blinking
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