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Safety light curtain, type 2
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The SF2-N series - which belongs to type 2 (IEC61496-1/2) - is a category 2 safety light curtain which offers a wide variety of different sizes for 30mm or 50mm detection capability. The incorporation of an extraneous light checking function distinguishes external light to prevent malfunctions. At 28mm wide and 19mm thick, it is the world's smallest design in this class.
Characteristics:
- Wide product range
- Response time 15ms or less (OFF response)
- Self-diagnostic system with LED indicator
- Test input / alarm output
- Interference prevention function by cascading light curtains
Accessories:
- Slit masks
- Mounting brackets
- Adapter cable (for serial connection)
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SF2-NH |
SF2-NA |
| Sensor type |
Safety light curtain, type 2 EN61496-1/2 |
| Safety category |
Category 2 EN954-1 |
| Protective height |
See table below |
| Operating range |
0.3 - 7m |
| Beam pitch |
20mm |
40mm |
| Detection capability |
Min. Æ 30mm |
Min. Æ 50mm |
| Response time |
OFF response: 15ms or less |
| Output (OSSD) |
Max. 200mA |
| Output (Alarm) |
Max. 60mA |
| Emitting element |
Infrared LED (peak emission wavelength: 870nm) |
| Current consumption |
Max. 340mA |
| Housing material |
Enclosure: aluminium, front cover: polyester, cap: ABS |
| Protection |
IP65 |
| Rated current consumption |
50mA or less |
| Physical size (HxWxL) |
H x 28 x 19mm (H see table below) |
| Connection method |
Cable with connector (emitter 6-core 0.5m, receiver 7-core 0.5m) |
| Operating voltage |
24V DC (± 15%) |
| Usable ambient temp. |
-10°C to +55°C |
| Weight |
See table below |
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SF2-NH Type
| (NPN) / PNP output |
Protective height (mm) |
Length (mm) |
No. of beam channels |
Weight (g) |
| SF2NH8 (-PN) |
140 |
222 |
8 |
410 |
| SF2NH12 (-PN) |
220 |
302 |
12 |
460 |
| SF2NH16 (-PN) |
300 |
382 |
16 |
510 |
| SF2NH20 (-PN) |
380 |
462 |
20 |
560 |
| SF2NH24 (-PN) |
460 |
542 |
24 |
610 |
| SF2NH28 (-PN) |
540 |
622 |
28 |
670 |
| SF2NH32 (-PN) |
620 |
702 |
32 |
770 |
| SF2NH36 (-PN) |
700 |
782 |
36 |
820 |
| SF2NH40 (-PN) |
780 |
862 |
40 |
870 |
| SF2NH48 (-PN) |
940 |
1022 |
48 |
1000 |
| SF2NH56 (-PN) |
1100 |
1182 |
56 |
1100 |
| SF2NH64 (-PN) |
1260 |
1342 |
64 |
1200 |
SF2-NA Type
| (NPN) / PNP output |
Protective height (mm) |
Length (mm) |
No. of beam channels |
Weight (g) |
| SF2NA4 (-PN) |
120 |
222 |
4 |
410 |
| SF2NA6 (-PN) |
220 |
302 |
6 |
460 |
| SF2NA8 (-PN) |
280 |
382 |
8 |
510 |
| SF2NA10 (-PN) |
360 |
462 |
10 |
560 |
| SF2NA12 (-PN) |
440 |
542 |
12 |
610 |
| SF2NA14 (-PN) |
520 |
622 |
14 |
670 |
| SF2NA16 (-PN) |
600 |
702 |
16 |
770 |
| SF2NA18 (-PN) |
680 |
782 |
18 |
820 |
| SF2NA20 (-PN) |
760 |
862 |
20 |
870 |
| SF2NA24 (-PN) |
920 |
1022 |
24 |
1000 |
| SF2NA28 (-PN) |
1080 |
1182 |
28 |
1100 |
| SF2NA32 (-PN) |
1240 |
1342 |
32 |
1200 |
| SF2NA36 (-PN) |
1400 |
1502 |
36 |
1300 |
| SF2NA40 (-PN) |
1560 |
1662 |
40 |
1400 |
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SF2-N typical applications
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Safeguard for special purpose machine
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Detection of entry through no-entry line
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Ionizers
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