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K031A series
SiRON
8543709990
About selection

| Type analysis | ||
| ① | Universal light curtain (anti-glare) series | K031A |
| ② | Number of optical axes | 8:8-axes 16:16-axes 24:24-axes (For other axis numbers, please refer to the selection table) |
| ③ | Optical axis spacing | 20:20mm 40:40mm |
| ④ | Output mode | Blank:NPN output P:PNP ouput |
| ⑤ | Working condition | Blank:Normally closed state |
Selection example:K031A-24-20 indicates the K031A series, with 24 optical axes, an optical axis spacing of 20mm, NPN output, and a normally closed state.
K031A-24-20P indicates the K031A series, with 24 optical axes, an optical axis spacing of 20mm, PNP output, and a normally closed state.
Noted:1.The protection distance can be customized up to 20 meters. Examples of models are as follows:
K031A-24-20(D10) indicates the K031A series, with 24 optical axes, an optical axis spacing of 20mm, NPN output, a normally closed state, and a protection distance of 10 meters.
2. When ordering brackets separately, the order models are: K031A-L1, K031A-H1, and K031A-S1.
Specifications
Name | Universal light curtain (anti-glare) |
Appearance | ![]() |
Cross area | 35×50mm |
Number of channels | two-channel |
Number of optical axes | 8、16、24 axle …… |
Protective height | The protection height H=(N-1)* the optical axis spacing, where N is the number of optical axes |
Protection distance* | 0 . 1~5M(Customizable up to 20M) |
Optical axis spacing | 20mm/40mm |
Resolution | 30mm/50mm |
Supply voltage | DC10~30V |
Power | <5W |
Emission light source | 940nm |
Protective circuit | Power overvoltage protection, reverse polarity protection and output overcurrent protection |
Response time | Response time =(N* 0.1 ms)+ 0.4 ms(where N is the number of optical axes) |
Operating ambient temperature | -10~+55℃(No condensation) |
Storage ambient temperature | -30~+70℃(No condensation) |
Working ambient humidity | When the temperature is 20℃, the relative humidity of the air is less than 85% |
Vibration resistance | Frequency: 10-55Hz, amplitude: 0.35 ± 0.05 mm, twice in each direction of X,Y, and Z |
Ani-optical interference | 100,000Lux (incident Angle>5°) |
| Output mode | NPN/PNP |
| Synchronous mode | line synchronization |
| Shell material | aluminium alloy |
| Case protection class | IP65 |
| Security Output (OSSD) | NPN/PNP transistor output, load current below 200mA, residual voltage below 1V (excluding voltage drop caused by cable extension), leakage current below 1mA |
Example

Equipment operation protection detection Equipment operation protection detection
Schematic diagram of optical axis spacing

Selection list
Optical axis spacing is 20mm(protection distance:0.1~5m,can be customized to 20m)
| Optical axis spacing | 20mm | |||||||||||||||||||||||||||||||
| Number of optical axis | 8-axis | 16-axis | 24-axis | 32-axis | 40-axis | 48-axis | 56-axis | 64-axis | 72-axis | 80-axis | 88-axis | 96-axis | 104-axis | 112-axis | 120-axis | 128-axis | 136-axis | 144-axis | 152-axis | 160-axis | ||||||||||||
| Protection height (mm) | 140 | 300 | 460 | 620 | 780 | 940 | 1100 | 1260 | 1420 | 1580 | 1740 | 1900 | 2060 | 2220 | 2380 | 2540 | 2700 | 2860 | 3020 | 3180 | ||||||||||||
| Light curtain height(mm) | 230 | 390 | 550 | 710 | 870 | 1030 | 1190 | 1350 | 1510 | 1670 | 1830 | 1990 | 2150 | 2310 | 2470 | 2630 | 2790 | 2950 | 3110 | 3270 | ||||||||||||
Optical axis spacing is 40mm(protection distance:0.1~5m,can be customized to 20m)
| Optical axis spacing | 40mm | |||||||||||||||||||||||||||||||
| Number of optical axis | 8-axis | 12-axis | 16-axis | 20-axis | 24-axis | 28-axis | 32-axis | 36-axis | 40-axis | 44-axis | 48-axis | 52-axis | 56-axis | 60-axis | 64-axis | 68-axis | 72-axis | 76-axis | 80-axis | |||||||||||||
| Protection height (mm) | 280 | 440 | 600 | 760 | 920 | 1080 | 1240 | 1400 | 1560 | 1720 | 1880 | 2040 | 2200 | 2360 | 2520 | 2680 | 2840 | 3000 | 3160 | |||||||||||||
| Light curtain height(mm) | 370 | 530 | 690 | 850 | 1010 | 1170 | 1330 | 1490 | 1650 | 1810 | 1970 | 2130 | 2290 | 2450 | 2610 | 2770 | 2930 | 3090 | 3250 | |||||||||||||
Attachments


Installation instructions
When installing the light curtain, ensure a safe distance between the light curtain and the hazardous area of the machine. Failure to stop the machine before reaching its hazardous area may result in severe injury or death.
Calculate the safe distance correctly and maintain the minimum safe distance between the detection zone and the hazardous parts of the machine.
Safe distance refers to the minimum distance between the detection plane of the light curtain and the cutting edge or hazardous parts of the machine.

External drawing

wiring diagram
