LJA18 Long Cylindrical Inductive Proximity Switch
LJA18 proximity switch is a displacement sensor with switching output. The output includes NPN, PNP, normally open, normally closed, relay, etc. It can detect transparent and opaque objects such as metal (such as iron, steel, copper), plastic, glass, wood, water, paper, magnets, etc. It can be controlled with PLC and servo Inverters, frequency converters, counters, and controllers are connected to realize automatic signal input.
Widely used in machinery, textile, light industry, papermaking, printing, packaging and other industries.At the same time, it is divided into two series: C series high-end proximity switch and ordinary type according to the use requirements.Inductive proximity switches detect metal objects (such as iron, steel, copper, etc.);If you have any questions, please feel free to contact us:Email: [email protected]
- Описание
| Output form | Embedded | Non-embedded | ||
| D C | Npn | NO | LJA18-5N1 | LJA18M-8N1 |
| NC | LJA18-5N2 | LJA18M-8N2 | ||
| Pnp | NO | LJA18-5P1 | LJA18M-8P1 | |
| NC | LJA18-5P2 | LJA18M-8P2 | ||
| 2-wire | NO | LJA18-5D1 | LJA18M-8D1 | |
| NC | LJA18-5D2 | LJA18M-8D2 | ||
| A C | 2-wire | NO | LJA18-5A1 | LJA18M-8A1 |
| NC | LJA18-5A2 | LJA18M-8A2 | ||
| Detection distance ※1 | 5mm | 8mm | ||
| Setting distance | 0 ～ 4.25mm | 0 ～ 6.8mm | ||
| Стандартный объект обнаружения | 18*18*1mm Iron 25*25*1mm Iron | |||
| Response frequency ※2 | N / P ：600Hz、DC:200Hz、AC:25Hz | |||
| Return Difference | Less than 15 % of detection distance | |||
| Обнаруживаемые объекты | Magnetic metals (shorter detection distances for non-magnetic metals) | |||
| Напряжение снабжения | DC ：Rated voltage DC12~24V (use range voltage DC10~30V);AC：M8:AC90~250V,M12-M30:AC24~250V | |||
| Эксплуатационный ток | Load current ≤200mA | |||
| Остаточное напряжение | NPN ：≤ 1.5V;PNP ：≤ 2.5V; DC 2-wire：≤ 4V; AC 2-wire：≤ 7V | |||
| Ток утечки | When 24VDC, max 0.1mA | |||
| Защитная цепь | DC: polarity, overcurrent protection; AC: surge absorption protection | |||
| Индикатор свет | Dual light display: power indicator green, action indicator red | |||
| Температурная диапазон | Operating: -25 to +70°C (no icing, condensation); Storage: -40 to +85°C (no icing, condensation) | |||
| Диапазон влажности | Operation, storage: 35～95% (no condensation） | |||
| Temperature effect (drift) | -25～+70℃ temperature range, the detection distance is within ±10% of the detection distance at +23℃. | |||
| Protective structure | IP67 | |||
| Housing Material | Chrome Plated Brass | |||
| Землярный материал поверхности | PBT | |||
| Overall dimensions | Embedded | Non-embedded |  | ||||||
 |  | ||||||||
| Элемент | Спецификация | a | b | C | d | e | f | g | |
| Embedded | LJA8 | 41.7±0.5 | 35±0.5 | 3.5 | M8×1 | 12 | AF12 | ||
| Non-embedded | LJA8M | 45.2±0.5 | 4 | ||||||
| Embedded | LJA12 | 51.6±0.5 | 40±0.5 | 40±0.5 | 4 | M12×1 | 17 | AF17 | |
| Non-embedded | LJA12M | 54.0±0.5 | 35±0.5 | 8 | |||||
| Embedded | LJA18 | 51.8±0.5 | 52±0.5 | 40±0.5 | 4 | M18×1 | 24 | AF24 | |
| Non-embedded | LJA18M | 58.0±0.5 | 35±0.5 | 12 | |||||
| Embedded | LJA30 | 52.0±0.5 | 52±0.5 | 40±0.5 | 4.7 | M30×1.5 | 36.2 | AF35.8 | |
| Non-embedded | LJA30M | 61.0±0.5 | 35±0.5 | 15 | |||||
Функции:
1.Stable performance, internal electronic components SMT chip technology, stable and reliable performance.
2.Powerful function, polarity protection to prevent reverse wiring.
3.Safe and worry-free, using ferrite core, the magnetism will not decay after long-term use.
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