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Class 4 safety light curtains
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SF2-EH safety light curtains fulfil safety category 4* requirements. Two independent microprocessors ensure that any possible fault occurence is detected instantly to ensure complete safety (self-monitoring). With a maximum sensing range of 10m and a sensing height of 1.58m, a wide area can be safeguarded even with only one set of sensors. Larger areas can be covered by cascading up to 12 sets of sensors. Having a sectional size of only 35 x 35mm, these light curtains belong to the smallest in their class. Characteristics: - Wide variety (13 types)
- Wide sensing range
- Cascading possible (up to 12 sets)
- Cross talk prevention function
- Test input
- Short-circuit protection
- Max. 20ms response time
Accessories: - Slit masks
- Front cover protection
- Extension cables
- Mounting brackets
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| | SF2-EH | | Sensor type | Safety light curtain, category 4* | | Sensing height | See table below | | Rated sensing distance | 10m | | Sensing range | 0.3 - 10m | | Beam pitch | 20mm | | Standard detectable object | Max. Æ 30mm, opaque | | Response time | ON -> OFF: max. 15ms, OFF -> ON: max. 20ms | | Output | 2 semiconductor outputs (PNP or NPN (-N) equivalent), max. 300mA | | Emitting elements | Infrared LEDs, 870nm | | Rated current consumption without load | Max. 200mA | | Housing material | Enclusure: aluminium, front: ABS | | Protection | IP65 | | Physical size | See table below | | Connection method | Pig tailed cable 0.5m | | Operating voltage | 24V DC (± 15%) | | Usable ambient temp. | 0°C to +55°C | | Weight | See table below | | *Type 4 based on IEC (EN) 61496-1/-2 and category 4 based on EN954-1 |
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| Model no. | Number of beams | Sensing height (mm) | Weight (kg) | | SF2-EH12 (-N) | 12 | 220 | 1.1 | | SF2-EH16 (-N) | 16 | 300 | 1.3 | | SF2-EH20 (-N) | 20 | 280 | 1.5 | | SF2-EH24 (-N) | 24 | 460 | 1.7 | | SF2-EH28 (-N) | 28 | 540 | 1.9 | | SF2-EH32 (-N) | 32 | 620 | 2.2 | | SF2-EH36 (-N) | 36 | 700 | 2.4 | | SF2-EH40 (-N) | 40 | 780 | 2.6 | | SF2-EH48 (-N) | 48 | 940 | 3.1 | | SF2-EH56 (-N) | 56 | 1100 | 3.5 | | SF2-EH64 (-N) | 64 | 1260 | 4.0 | | SF2-EH72 (-N) | 72 | 1420 | 4.4 | | SF2-EH80 (-N) | 80 | 1580 | 4.9 | | (-N) = NPN output equivalent type |
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SF2-EH typical applications
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Safeguarding pick & place machines
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Safeguarding press machines
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Safeguarding machine centres
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