LJ1A Series
Inductive Proximity Sensor
LJ1A series inductive proximity sensor is a square shape proximity sensor with 8mm detection distance , and 0-7mm setting distance. LJ1A series proximity sensors have the advantages of cost-effective, simple to operate, long life and high reliability, and can adapt to complex working environments. LJ1A series proximity sensors are equipped with power reverse protection, short-circuit protection, etc., and can be directly connected with PLC device. The operating status of the sensor can be directly observed through the red LED, LJ1A series proximity sensors are IP67 protected (IEC standard). Depending on the control output, proximity sensors can be divided into NPN type (N type), PNP type (P type), AC type (A type), and DC type (D type). For more information about the proximity sensors, please visit "What is Proximity Sensors".
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How to order
Features
● Reverse power supply protection, and short circuit protection
● Long life and high reliability, high environmental adaptability
● Directly connect to PLC
● The red LED shows the operating status of the sensor
● Cost-effective and simple to operate
● IP67 protection structure (IEC specification)
● Please read "Precautions for Proximity Sensors" before use
Parameters
● Lagging Distance: Less than 10% of detection distance
● Sensing Object: Magnetic metal (if non-magnetic object, the detection distance will be reduced)
● Supply Voltage: DC type — 12-24VDC (6-36VDC) with voltage pulsation (p-p) below 10%; AC type — 110-220VAC (36-250VAC), 50/60Hz
● Current Consumption Type N.P — under 13mA; Type D — under 0.8mA; Type A — under 1.7mA
● Control Output: Type N.P — under 300mA; Type D — under 200mA; Type A — under 400mA
● Circuit Protection: Type N.P.D — Reverse power supply protection, surge absorption, short-circuit protection; Type A — Surge absorption
● Ambient Temperature (operating, storage): -30-+65°C (non-freezing, non-condensing)
● Ambient Humidity (operating, storage): 35-95%RH
● Insulation Impedance: Above 50 MΩ (between the charging section and the housing, using a DC500 megohmmeter)
● Withstanding Voltage (1min): 1000VAC, 50/60Hz (between charging section and case)
● Temperature Effect: If the temperature range is -30 to +65℃, the sensing distance is within ±15% of the detection distance at +23℃; if the temperature range is -25 to +60℃, the sensing distance is within ±10% of the detection distance at +23℃.
● Voltage Effect: If the voltage range is within ±15% of the rated supply voltage, the sensing distance is within ±10% of the detection distance at the rated supply voltage.
● Protective Structure: IP67 (IEC standard)
● Material: Housing — FRP / ABS; Detection surface — ABS
Datasheet
H Series Proximity Sensor Dimensions 52X33X25 Mounting Methods Unshielded Models DC NPN NO LJ1A-24 NC LJ1A-24B NO+NC PNP NO NC NO+NC 2-wires NO LJ1A-220 NC LJ1A-220B AC 2-wires NO NC 3-wires NO+NC Detection Distance 8mm±10% Set Distance 0~7mm Standard Sensing Object Steel 18x18x1mm Response Frequency DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure1
Dimensions & wiring diagram
Updates
2023-10-28
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