Panasonic SF4B V2 Series Instruction Manual page 59

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The beam-axis alignment indicator indicates the reception status for each section of the device which is
divided into 4 sections.
Also, the A (D) of the beam-axis alignment indicates the light-receiving status of the device top end (bottom
end).
For example, when using a 24-beam channel device, there are 6 beam channels per section (i.e., 24/4=6).
When the top end (bottom end) beam channel is received, the A (D) of the beam-axis alignment indicator
blinks in red.
(Example) 24 beam channels
Only top end beam
channel is received
A
B
C
D
Beam-axis alignment
indicator
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All the 6 beam channels divided into each section are received, the beam-axis alignment indicator lights
up in red.
The indicators corresponding to the different sections light up in red, one by one, when the beam channels
of the respective sections are received. When all the beam channels are received and the control output
(OSSD 1 / 2) turns ON, all the four indicators of the beam-axis alignment indicator turn into green.
Refer to "2-6-2 Operation Test" for details.
5. After the adjustment, tighten the hexagon-socket head bolt for beam-axis alignment of the
mounting bracket. The tightening torque should be 2N·m or less.
6. Tighten the two intermediate supporting brackets [M5 (purchase separately)].
Check, once again, that the beam-axis alignment indicators in the display of the emitter and
receiver do light up.
© Panasonic Industriar Devices SUNX Co., Ltd. 2012 ME-SF4BV2-05
5 beam channels includ-
ing the top end beam
channel are received
Light received
Light blocked
A
B
C
D
Beam-axis alignment
indicator
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to "2-4 Mounting."
6 beam channels in top
section are received
A
B
C
D
Beam-axis alignment
indicator
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5 beam channels exclud-
ing the top end beam
channel are received
A
B
C
D
Beam-axis alignment
indicator
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58