Span Adjustment (Adjustment Of Analog Output Voltage); Comparison Level Adjustment - Panasonic LA-511 Instruction Manual

<Span Adjustment (adjustment of analog output voltage) >
1. Place sensors in all beam incoming state.
On the monitor, the green LED glows and all
yellow arrowheads remain extinguished.
2. Turn the span adjustor with the screwdriver
provided to obtain +5V of analog output voltage.
As you turn it clockwise, analog output voltage
getting high.
<Comparison Level Adjustment>
●Adjust the comparison level of the comparison
output.
When the comparison level adjustor is turned
clockwise, the level becomes high.
<Comparison Output Timing Diagram>
[Analog Output Voltage]
5V
Comparison level
1V
All Beam
Interrupted State
[Comparison Output]
Low High
Low High
All Beam
Incoming State
ON OFF
Comparison Level Adjustor
Explanation
●Wire Detection Example
Laser beam
●Incoming Beam Width = A+C
●Interrupted Beam Width = B
●All Beam Incoming State: The state that overall
beam is received by detector.
●All Beam Interrupted State: The state that overall
beam is interrupted.
10
Green LED glows
Span Adjustor
Metal wire
A
B
C