Name: 9.9 mm Ultra-Thin Flat-On Light Curtains
Brand: TAKEX Takenaka Engineering Co., Ltd.
SKU: TAKEX_SSXU20

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TAKEX_SSXU20

9.9 mm Ultra-Thin Flat-On Light Curtains

TAKEX SSXU20 Series 9.9 mm ultra-thin flat-on light curtains switch between parallel and cross-beam modes.
Eight models provide 9–37 axes, 160–720 mm detection widths, 20 mm beam pitch, sensing up to 4 m, detection down to Φ15 mm, selectable NPN/PNP output, and IP65 protection.

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Features
Specification
FAQ

Features

9.9 mm ultra-thin flat-on design: The robust metal housing measures only 30 × 9.9 mm and uses center mounting holes for installation on aluminum machine frames and in space-limited equipment.
Selectable parallel and cross-beam modes: Parallel mode detects opaque objects Φ25 mm or larger, while cross-beam mode improves detection between optical axes and detects objects down to Φ15 mm.
Eight detection widths from 160 to 720 mm: Models with 9 to 37 optical axes are available with a common 20 mm beam pitch for different sensing-area requirements.
Selectable NPN/PNP output: Each series model supports selectable NPN or PNP open-collector output with a load rating of 50 mA at 30VDC or less.
Anti-interference with IP65 protection: Parallel-beam mode supports up to two adjacent sensor sets, with automatic sensitivity compensation, reverse-polarity protection, short-circuit protection, and IP65.

Specification

Item	Spec.
Product type	9.9 mm ultra-thin flat-on parallel/cross-beam light curtain sensor
Current models	SSXU20-T160 SSXU20-T240 SSXU20-T320 SSXU20-T400 SSXU20-T480 SSXU20-T560 SSXU20-T640 SSXU20-T720
Detection method	Through beam
Housing configuration	Flat-on
Beam modes	Parallel beam / cross beam selectable
Housing dimensions	30 × 9.9 mm
Parallel-beam detecting distance	0–4 m
Cross-beam detecting distance	0.5–4 m
Parallel-beam minimum target	Opaque Φ25 mm or larger
Cross-beam minimum target	Opaque Φ15 mm or larger
Beam interval	20 mm
Number of optical axes	9, 13, 17, 21, 25, 29, 33, 37
Detection width	160, 240, 320, 400, 480, 560, 640, 720 mm
Power supply	12–24VDC ±10%, ripple 10% or less
Current consumption	75–120 mA or less depending on model
Control output	Selectable NPN/PNP open collector
Operation mode	ON when all beams are received; OFF when any beam is blocked
Parallel beam blocked response	20 ms or less
Parallel beam received response	30 ms or less
Cross beam blocked response	30 ms or less
Cross beam received response	50 ms or less
Light source	850 nm infrared LED
Case material	Aluminum
Front cover material	Polycarbonate
Mounting section material	Die-cast zinc alloy
Ambient light	10,000 lx or less
Operating temperature	−10 to +55°C, non-freezing
Ambient humidity	35–85% RH, non-corrosive atmosphere
Protective structure	IP65

Specification notes

Parallel and cross-beam modes provide different sensing capabilities: Parallel mode is suited to general wide-area sensing, while cross-beam mode improves detection between optical axes and detects objects down to Φ15 mm.
NPN or PNP output is selectable within the same series models. The eight models are primarily differentiated by their number of optical axes and 160–720 mm detection widths.
Mutual interference prevention is available only in parallel-beam mode and supports up to two adjacent sensor sets for applications requiring a wider combined sensing area.

FAQ

Q1: What is the TAKEX SSXU20 Series?
A: The SSXU20 Series consists of 9.9 mm ultra-thin flat-on light curtains with selectable parallel and cross-beam sensing modes.

Q2: What models are available?
A: Eight models are available: SSXU20-T160, T240, T320, T400, T480, T560, T640, and T720, covering detection widths from 160 to 720 mm.

Q3: What is the beam interval?
A: All SSXU20 models use a 20 mm beam interval and provide 9 to 37 optical axes depending on model.

Q4: What is the detecting distance?
A: Parallel-beam mode operates from 0 to 4 m, while cross-beam mode operates from 0.5 to 4 m.

Q5: What is the minimum detectable object?
A: Parallel mode detects opaque objects Φ25 mm or larger, while cross-beam mode detects opaque objects Φ15 mm or larger.

Q6: Are NPN and PNP outputs available?
A: Yes. The SSXU20 Series supports selectable NPN or PNP open-collector output with a load rating of 50 mA at 30VDC or less.

Q7: When should parallel or cross-beam mode be used?
A: Parallel mode is suited to general wide-area presence and passage detection, while cross-beam mode improves detection of thin, small, or irregularly positioned objects.

Q8: Can two SSXU20 sensor sets be installed next to each other?
A: Yes. Parallel-beam mode provides mutual interference prevention for up to two adjacent sensor sets.

Q9: What is the protection rating?
A: The SSXU20 Series is rated IP65 and uses an aluminum housing, polycarbonate front cover, and die-cast zinc alloy mounting section.

Q10: What applications are suitable for the SSXU20 Series?
A: Applications include rubber plate and sheet passage detection, variable-position metal workpiece detection, plastic pallet sensing, and passage detection of various structural steel shapes.

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