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Sick L21E-21MA1A
Safety light-beam sensors | L21 | L21E-21MA1A | System part: Receiver | Safety level: PL c, SIL 1, Type 2 | Scanning range: 16 m | Diameter: M18 | Optical axis: Axial | Housing material: Nickel-plated…
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Description
Safety light-beam sensors | L21 | L21E-21MA1A | System part: Receiver | Safety level: PL c, SIL 1, Type 2 | Scanning range: 16 m | Diameter: M18 | Optical axis: Axial | Housing material: Nickel-plated brass | Connection type: Male connector M12, 4-pin
Specification
Features
| Scanning range | 16Â m |
|---|---|
| Number of beams | 1 |
| Optical axis | Axial |
| Response time | 0.2Â ms |
| Response time | 0.2Â ms + Test device response time |
Safety-related parameters
| Type | Type 2Â (IECÂ 61496-1)Â 1) |
|---|---|
| Safety integrity level | SIL 1Â (IECÂ 61508)Â 1) |
| Category | Category 2Â (ENÂ ISOÂ 13849)Â 1) |
| Test rate (external test) | 100Â /s (ENÂ ISOÂ 13849)Â 2) |
| Maximum demand rate | 60 minâ»Â¹ (EN ISO 13849) 3) |
| Performance level | PL c (ENÂ ISOÂ 13849)Â 1) |
| PFHD (mean probability of a dangerous failure per hour) | 1.0 x 10-6 (EN ISO 13849) 1) |
| TM (mission time) | 20Â years (ENÂ ISOÂ 13849) |
Interfaces
| Connection type | Male connector M12, 4-pin, straight |
|---|
Electronics
| Protection class | III (IECÂ 61140) |
|---|---|
| Supply voltage VS | 24Â VÂ DC (19.2Â VÂ DCÂ ... 28.8Â VÂ DC) |
| Power consumption | ⤠30 mA |
| Switching outputs | PNP, QÂ 1) |
| Current loading | ⤠70 mA |
Mechanics
| Design | Cylindrical |
|---|---|
| Dimensions (diameter x length) | M18 x 97.7 mm |
| Housing material | Nickel-plated brass |
| Front screen material | Glass |
| Weight | 67Â g |
Ambient data
| Enclosure rating | IP67 (ENÂ 60529) |
|---|---|
| Ambient operating temperature | â40 °C ... +55 °C |
| Storage temperature | â40 °C ... +75 °C |
| Air humidity | 15Â %Â ... 95Â %, Non-condensing |
| Vibration resistance | 5 g, 10 Hz ... 55 Hz (IEC 60068-2-6) |
| Shock resistance | 10Â g, 16Â ms (IECÂ 60068-2-27) |
Other information
| Aperture angle/receiving angle | ± 5° / ± 5° |
|---|
Certificates
| EU declaration of conformity | â |
|---|---|
| UK declaration of conformity | â |
| ACMA declaration of conformity | â |
| Moroccan declaration of conformity | â |
| China RoHS | â |
| cTUVus certificate | â |
| EC-Type-Examination approval | â |
Classifications
| ECLASS 5.0 | 27272701 |
|---|---|
| ECLASS 5.1.4 | 27272701 |
| ECLASS 6.0 | 27272701 |
| ECLASS 6.2 | 27272701 |
| ECLASS 7.0 | 27272701 |
| ECLASS 8.0 | 27272701 |
| ECLASS 8.1 | 27272701 |
| ECLASS 9.0 | 27272701 |
| ECLASS 10.0 | 27272701 |
| ECLASS 11.0 | 27272701 |
| ECLASS 12.0 | 27272701 |
| ETIM 5.0 | EC001831 |
| ETIM 6.0 | EC001831 |
| ETIM 7.0 | EC001831 |
| ETIM 8.0 | EC001831 |
| UNSPSC 16.0901 | 46171620 |
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