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Global safety light curtain, type 4
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With a variety of 16 sensing lengths for the standard type and 16 different lengths for the spatter protection type (protects the sensing surface from welding machine spatter), almost all applications in the safety related field can be solved.
Regardless of the number of beam channels, a high-speed 11ms response time has been achieved. This makes it unnecessary to calculate safety distance for each sensor individually. At is 21mm x 28mm, the SF4-AH series is one of industry's smallest type 4 safety light curtains. The advanced ELCA function prevents mutual interference and reduces interference from extraneous light. Characteristics: - Wide variety of 16 different protective heights
- Floating blanking
- High-speed response (max. 11ms)
- Compact size (21mm x 28mm)
- Beam axis indicators (LED)
- Mutual interference prevention (ELCA)
- Series connection up to 3 systems
- Safety relay unit (SFAC, optional)
- Laser alignment tool (SFLAT2N, optional)
Accessories: - Slit mask
- Front protection cover
- Mounting brackets
- Cables for series connection
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SF4-AH |
| Sensor type |
Safety light curtain, type 4 EN61496-1/-2 |
| Safety category |
Category 4 EN954-1 |
| Protective height |
See table below |
| Operating range |
0.3 - 7m |
| Beam pitch |
20mm |
| Detection capability |
Max. Ø 30mm |
| Response time |
Max. 11ms |
| Output |
OSSD1 and OSSD2 (2 x PNP), max. 200mA |
| Alarm |
Max. 60mA |
| Emiting element |
Infrared LED, 870nm |
| Current consumption |
Max. 200mA |
| Housing material |
Enclosure: aluminium, Front cover: ABS |
| Protection |
IP65 |
| Physical size (H x W x L) |
H x 28 x 21mm (H see table below) |
| Connection method |
Cable with connector
(emitter: 6-core, 0.5m /
receiver: 6-core, 0.5m) |
| Operating voltage |
24V DC (±15%) |
| Usable ambient temp. |
-10°C to +55°C |
| Weight |
See table below |
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SF4-AH type
(2x PNP outputs) |
Protective height (mm) |
Length (mm) |
No. of beam channels |
Weight (g) |
| SF4AH8 (H) |
190 |
237 |
8 |
390 |
| SF4AH12 (H) |
270 |
317 |
12 |
490 |
| SF4AH16 (H) |
350 |
397 |
16 |
600 |
| SF4AH20 (H) |
430 |
477 |
20 |
710 |
| SF4AH24 (H) |
510 |
557 |
24 |
810 |
| SF4AH28 (H) |
590 |
637 |
28 |
880 |
| SF4AH32 (H) |
670 |
717 |
32 |
950 |
| SF4AH36 (H) |
750 |
797 |
36 |
1000 |
| SF4AH40 (H) |
830 |
877 |
40 |
1100 |
| SF4AH48 (H) |
990 |
1037 |
48 |
1400 |
| SF4AH56 (H) |
1150 |
1197 |
56 |
1700 |
| SF4AH64 (H) |
1310 |
1357 |
64 |
1900 |
| SF4AH72 (H) |
1470 |
1517 |
72 |
2100 |
| SF4AH80 (H) |
1630 |
1677 |
80 |
2300 |
| SF4AH88 (H) |
1790 |
1837 |
88 |
2500 |
| SF4AH96 (H) |
1950 |
1997 |
96 |
2700 |
| Types with spatter protection = (H) |
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SF4-AH typical applications
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Safeguard for welding application
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Safeguard for robot application
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Safeguard for press application
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Ionizers
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