Name: Coupling Type Light Curtain Sensors
Brand: TAKEX Takenaka Engineering Co., Ltd.
SKU: TAKEX_JS2

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TAKEX_JS2

Coupling Type Light Curtain Sensors

TAKEX JS2 Series coupling type light curtains provide 5 m sensing with 20 or 40 mm beam intervals.
Modular main, expansion, corner, flexible, and blank units support detection widths up to 1,900 mm, NPN/PNP dual outputs, self-check, anti-interference, and IP65 protection.

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Features
Specification
FAQ

Features

Detection widths up to 1,900 mm: 20 mm beam-interval units can be expanded to 96 optical axes and a 1,900 mm detection width, while 40 mm units support up to 48 axes and 1,880 mm.
Flexible 20 and 40 mm combinations: Different beam intervals can be combined with blank units to configure the sensing area according to target size and machine layout.
L- and U-shaped configurations: JS2-V corner units and JS2-F flexible units allow the detection area to turn corners around large machines.
Self-check with dual outputs: Main units include the SCF self-check function and two parallel control outputs to reduce the effect of a single output fault.
Anti-interference with IP65 protection: Master/slave synchronization helps prevent interference between two sensor sets, while IP65 construction supports industrial installations.

Specification

Item	Spec.
Product type	Coupling type light curtain sensor
Current models	JS2-T2M JS2-T2MPN JS2-T2SN JS2-T4M JS2-T4MPN JS2-T4SN
Detection method	Through beam
Detecting distance	5 m
Beam intervals	20 mm, 40 mm
Min. detection object	20 mm type: opaque Φ30 mm or larger; 40 mm type: opaque Φ50 mm or larger
Max. optical axes	20 mm type: 96; 40 mm type: 48
Max. connected units	24
Max. detection width	20 mm type: 1,900 mm; 40 mm type: 1,880 mm
Power supply	12–24VDC ±10%, ripple 10% or less
Control output	NPN or PNP open-collector dual outputs depending on main unit
Operation mode	ON when all beams are received; OFF when any beam is blocked or FAIL indicator is on
Beam-blocked response	30 ms or less
Beam-received response	50 ms or less
Light source	880 nm infrared LED
Case material	ABS
Lens material	Acrylic
Display material	Polycarbonate
Ambient light	10,000 lx or less
Operating temperature	−10 to +55°C, non-freezing
Ambient humidity	35–85% RH, non-condensing
Protective structure	IP65

Specification notes

Minimum target size depends on beam interval: The 20 mm type detects opaque objects Φ30 mm or larger, while the 40 mm type detects objects Φ50 mm or larger.
Main units provide two control outputs. AND connection of Output 1 and Output 2 is recommended; insulate any unused output lead when only one output is used.
Use a JS-U reinforcing case when connecting more than eight units to help prevent bending and twisting in long assembled light curtains.

FAQ

Q1: What is the TAKEX JS2 Series?
A: The JS2 Series consists of modular through-beam light curtain sensors that can be coupled to create wide and shaped detection areas.

Q2: What is the detecting distance?
A: The JS2 Series provides a detecting distance of 5 m.

Q3: What is the maximum detection width?
A: The 20 mm type supports up to 96 optical axes and 1,900 mm, while the 40 mm type supports up to 48 axes and 1,880 mm.

Q4: What beam intervals are available?
A: The system supports 20 mm and 40 mm beam intervals, which can be combined according to the installation.

Q5: What is the minimum detectable object size?
A: The 20 mm type detects opaque objects Φ30 mm or larger, while the 40 mm type detects Φ50 mm or larger.

Q6: Are NPN and PNP outputs available?
A: Yes. JS2-T2M and JS2-T4M provide NPN outputs, while JS2-T2MPN and JS2-T4MPN provide PNP outputs. Main units have two open-collector outputs.

Q7: What does the SCF function do?
A: SCF is the self-check function. If a monitored fault causes the FAIL indicator to turn on, the control output switches OFF.

Q8: Can JS2 create L- or U-shaped sensing areas?
A: Yes. JS2-V corner units and JS2-F flexible units allow L-shaped, U-shaped, and other angled configurations.

Q9: Does the JS2 Series support anti-interference?
A: Yes. Master/slave synchronization can be used to reduce interference between two sensor sets.

Q10: What applications are suitable for the JS2 Series?
A: It is suited to machines requiring wide or non-linear detection areas, including entry detection around processing equipment and large automation systems.

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