LJ Series
Capacitive Proximity Sensor
LJ series inductive proximity sensor is a cylindrical shape proximity sensor with 3-18mm detection distance , and 0-16mm setting distance. LJ series inductive proximity sensor adopts the full-threaded design, which reduces the installation dimensions, and is easy to install, and it can be clamped directly with a wrench. LJ series proximity sensors are cost-effective and simple to operate. However, the environmental adaptability of the LJ series proximity sensors is normal, and they are only suitable for ordinary working environments. LJ series proximity sensors are equipped with power reverse protection, short-circuit protection, current overload protection, etc., and can be directly connected with PLC device. The operating status of the sensor can be directly observed through the red LED, LJ 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
● Suitable for ordinary occasions, and normal environmental adaptability
● Can be used in a wide range of applications to replace small switches and limit switches
● Directly connect to PLC
● The red LED shows the operating status of the sensor
● Full-threaded design reduces mounting dimensions and allows for direct wrench clamping
● 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 — nickel plated brass; Detection surface — ABS
Datasheet
LJ Series Proximity Sensor Dimensions M14(LJ14) M16(LJ16) Mounting Methods Shielded Unshielded Shielded Unshielded Models DC NPN NO LJ14A3-3-Z/BX LJ14A3-5-Z/BX LJ14A3-5-Z/BX LJ16A3-5-Z/BX NC LJ14A3-3-Z/AX LJ14A3-5-Z/AX LJ14A3-5-Z/AX LJ16A3-5-Z/AX NO+NC LJ14A3-3-Z/CX LJ14A3-5-Z/CX LJ14A3-5-Z/CX LJ16A3-5-Z/CX PNP NO LJ14A3-3-Z/BY LJ14A3-5-Z/BY LJ14A3-5-Z/BY LJ16A3-5-Z/BY NC LJ14A3-3-Z/AY LJ14A3-5-Z/AY LJ14A3-5-Z/AY LJ16A3-5-Z/AY NO+NC LJ14A3-3-Z/CY LJ14A3-5-Z/CY LJ14A3-5-Z/CY LJ16A3-5-Z/CY 2-wires NO LJ14A3-3-Z/EX LJ14A3-5-Z/EX LJ14A3-5-Z/EX LJ16A3-5-Z/EX NC LJ14A3-3-Z/DX LJ14A3-5-Z/DX LJ14A3-5-Z/DX LJ16A3-5-Z/DX AC 2-wires NO LJ14A3-3-J/EZ LJ14A3-5-J/EZ LJ14A3-5-J/EZ LJ16A3-5-J/EZ NC LJ14A3-3-J/DZ LJ14A3-5-J/DZ LJ14A3-5-J/DZ LJ16A3-5-J/DZ 3-wires NO+NC Detection Distance 3mm±10% 5mm±10% 3mm±10% 5mm±10% Set Distance 0~2.1mm 0~4mm 0~2.4mm 0~4mm Standard Sensing Object Steel 14x14x1mm Steel 15x15x1mm Steel 20x20x1mm Steel 30x30x1mm Response Frequency DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure1 Figure2 Figure3 Figure4 Dimensions M20(LJ20) M22(LJ22) Mounting Methods Shielded Unshielded Shielded Unshielded Models DC NPN NO LJ20A3-5-Z/BX LJ20A3-8-Z/BX LJ22A3-5-Z/BX LJ22A3-8-Z/BX NC LJ20A3-5-Z/AX LJ20A3-8-Z/AX LJ22A3-5-Z/AX LJ22A3-8-Z/AX NO+NC LJ20A3-5-Z/CX LJ20A3-8-Z/CX LJ22A3-5-Z/CX LJ22A3-8-Z/CX PNP NO LJ20A3-5-Z/BY LJ20A3-8-Z/BY LJ22A3-5-Z/BY LJ22A3-8-Z/BY NC LJ20A3-5-Z/AY LJ20A3-8-Z/AY LJ22A3-5-Z/AY LJ22A3-8-Z/AY NO+NC LJ20A3-5-Z/CY LJ20A3-8-Z/CY LJ22A3-5-Z/CY LJ22A3-8-Z/CY 2-wires NO LJ20A3-5-Z/EX LJ20A3-8-Z/EX LJ22A3-5-Z/EX LJ22A3-8-Z/EX NC LJ20A3-5-Z/DX LJ20A3-8-Z/DX LJ22A3-5-Z/DX LJ22A3-8-Z/DX AC 2-wires NO LJ20A3-5-J/EZ LJ20A3-8-J/EZ LJ22A3-5-J/EZ LJ22A3-8-J/EZ NC LJ20A3-5-J/DZ LJ20A3-8-J/DZ LJ22A3-5-J/DZ LJ22A3-8-J/DZ 3-wires NO+NC LJ20A3-5-J/EDZ LJ20A3-8-J/EDZ LJ22A3-5-J/EDZ LJ22A3-8-J/EDZ Detection Distance 5mm±10% 8mm±10% 5mm±10% 8mm±10% Set Distance 0~4mm 0~7mm 0~4mm 0~7mm Standard Sensing Object Steel 20x20x1mm Steel 30x30x1mm Steel 22X22X1mm Steel 30x30x1mm Response Frequency DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure5 Figure6 Figure7 Figure8 Dimensions M38(LJ38) Mounting Methods Unshielded Models DC NPN NO LJ38A4-18-Z/BX NC LJ38A4-18-Z/AX NO+NC LJ38A4-18-Z/CX PNP NO LJ38A4-18-Z/BY NC LJ38A4-18-Z/AY NO+NC LJ38A4-18-Z/CY 2-wires NO LJ38A4-18-Z/EX NC LJ38A4-18-Z/DX AC 2-wires NO LJ38A4-18-J/EZ NC LJ38A4-18-J/DZ 3-wires NO+NC LJ38A4-18-J/EDZ Detection Distance 18mm±10% Set Distance 0~1.6mm Standard Sensing Object Steel 54x54x1mm Response Frequency DC:0.5KHz, AC:25Hz Outline Dimension Drawing Figure9
Dimensions & wiring diagram
Updates
2023-10-27
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