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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]

 

Output form Embedded Non-embedded
D   C এনপিএন NO LJA18-5N1 LJA18M-8N1
NC LJA18-5N2 LJA18M-8N2
পিএনপি 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
স্ট্যান্ডার্ড সনাক্তকরণ বস্তু 18*18*1mm Iron                 25*25*1mm Iron
Response frequency ※2 N / P :600Hz、DC:200Hz、AC:25Hz
রিটার্ন ডিফারেন্স সনাক্তকরণ দূরত্বের 15 % এর কম
সনাক্তকরণযোগ্য বস্তু Magnetic metals (shorter detection distances for non-magnetic metals)
সরবরাহ ভোল্টেজ DC :Rated voltage DC12~24V (use range voltage DC10~30V);AC:M8:AC90~250V,M12-M30:AC24~250V
অপারেটিং বর্তমান Load current ≤200mA
অবশিষ্ট ভোল্টেজ NPN :≤ 1.5V;PNP :≤ 2.5V; DC 2-wire:≤ 4V; AC 2-wire:≤ 7V
লিকেজ কারেন্ট When 24VDC, max 0.1mA
সুরক্ষা সার্কিট DC: polarity, overcurrent protection; AC: surge absorption protection
সূচক আলো Dual light display: power indicator green, action indicator red
তাপমাত্রা পরিসীমা Operating: -25 to +70°C (no icing, condensation); Storage: -40 to +85°C (no icing, condensation)
আর্দ্রতা পরিসীমা 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
সেন্সিং পৃষ্ঠ উপাদান PBT

 

Overall dimensions Embedded Non-embedded LJA18 Long Cylindrical Inductive Proximity Switch  title=
LJA18 Long Cylindrical Inductive Proximity Switch  title= LJA18 Long Cylindrical Inductive Proximity Switch  title=
আইটেম স্পেসিফিকেশন 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 এলজেএ12 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 এলজেএ18 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 এলজেএ30 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

 

LJA18 Long Cylindrical Inductive Proximity Switch  title=

 

বৈশিষ্ট্য:

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.

 

FAQs

Q1: How does the LJA18 inductive proximity switch detect metal objects?

The LJA18 generates an electromagnetic sensing field at the sensor face. When a metal object enters the detection range, the electromagnetic field changes and the sensor switches its output signal. Because detection is non-contact, there is no mechanical wear between the sensor and target.

Q2: What applications is the LJA18 inductive proximity sensor suitable for?

The LJA18 can be used in industrial automation, machinery, conveyor systems, positioning equipment, counting systems, production lines, and other applications that require reliable detection of metal objects.

Q3: What should I consider when selecting an inductive proximity switch?

Important factors include sensing distance, sensor diameter, supply voltage, output type, target material, switching frequency, mounting method, cable configuration, and environmental conditions. The PLC or controller input must also be compatible with the selected sensor output.

Q4: What types of objects can the LJA18 proximity switch detect?

Inductive proximity sensors are primarily designed to detect metallic objects. Detection distance may vary depending on the type, size, and shape of the metal target. Ferrous metals are generally detected more easily than some non-ferrous metals.

Q5: What information should I provide when ordering the LJA18 sensor?

Provide the required operating voltage, output type, sensing distance, cable or connector requirement, installation environment, application, and expected order quantity. These details help confirm the correct configuration for the project.

 

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