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Long Range & Wide Area Photoelectric Sensor PX-2

Sensing characteristics

How to read sensing characteristics

  • Sensing field

Note:
The sensitivity has been adjusted so that the maximum sensing range for white non-glossy paper (300 × 300 mm 11.811 × 11.811 in) is 3 m 9.843 ft (1 m 3.281 ft for PX-21 and PX-23ES, 5 m 16.404 ft for PX-26) with the L., C. and R. areas effective.

Sensing area

L. : Left area
C. : Center area
R. : Right area
L’. : Adjacent left OUT 1 area
R’. : Adjacent right OUT 1 area

Sensing object

Type of non-glossy paper
White non-glossy paper (lightness: 9)
Gray non-glossy paper (lightness: 5)
Black non-glossy paper (lightness: 2)

  • Correlation between external sensitivity adjustment input voltage and sensing range

It shows the variation in the sensing range when the external input voltage is changed from 0 to +5 V with the sensitivity adjuster set at the maximum sensing range.

  • Correlation between sensitivity adjuster and sensing range

Please note that due to the adjuster’s characteristics it may be difficult to adjust the sensitivity at a close distance or near to rated sensing distances. (Refer to “Correlation between sensitivity adjustor and sensing range” below.)


All models

Correlation between setting distance and excess gain


PX-22 PX-24 PX-24ES

Sensing fields

• All areas effective (Horizontal)
All areas effective (Horizontal)
• C. area effective (Horizontal)
C. area effective (Horizontal)
• All areas effective (Vertical)
All areas effective (Vertical)

Correlation between external sensitivity adjustment input voltage and sensing range
(Excluding PX-22)

Correlation between external sensitivity  adjustment input voltage and sensing range

Correlation between sensitivity adjuster and sensing range

• OUT1(OUT2) area
Parallel deviation
 
Angular deviation
• Adjacent right (left) OUT1 area
Parallel deviation
 
Angular deviation

PX-21 PX-23ES

Sensing fields

• All areas effective (Horizontal)
All areas effective (Horizontal)
• C. area effective (Horizontal)
C. area effective (Horizontal)
• All areas effective (Vertical)
All areas effective (Vertical)

Correlation between external sensitivity adjustment input voltage and sensing range
(PX-23ES only)

Correlation between sensitivity adjuster and sensing range

• OUT1 (OUT2) area
Parallel deviation
 
Angular deviation
• Adjacent right (left) OUT1 area
Parallel deviation
 
Angular deviation

PX-26

Sensing fields

• Horizontal [All areas effective (Note)]
Horizontal [All areas effective]
Note: Area selection is not possible.
• Vertical [All areas effective (Note)]
Vertical [All areas effective (Note)]

Correlation between external sensitivity adjustment input voltage and sensing range

Correlation between external sensitivity adjustment input voltage and sensing range

Correlation between sensitivity adjuster and sensing range

• OUT1 (OUT2) area
Parallel deviation
 
Angular deviation
• Adjacent right (left) OUT1 area
Parallel deviation
 
Angular deviation

PX-SB1

Sensing field

• Horizontal and vertical directions
Horizontal and vertical directions

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