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Welcome to the official website of Lihong Safety Equipment Engineering (Shanghai) Co., Ltd.!

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Position首頁 > Home > Industrial Safety Products > Sensor > Safety Light Curtain

LS4-20 Muting One-way and two-way feeding and discharging safety grating

Safety light curtain for single/two-way feeding and discharging detection

·Cross-detection feeding and discharging mode

·Bidirectional detection feeding and discharging mode

·Protection height from 120-1960 mm.

·The default detection distance of LS4T series is 0-10M, and other detection distances can be customized.

·Integrated a variety of intelligent functions.

·Integrated manual or automatic reset

·External relay feedback input (EDM)

▊	Product selection

Detection accuracy 45mm series
specifications and models	Beam number	Optical axis spacing (mm)	Protection height (mm)	Product length (mm)	complete built unitMTTFd（year）	complete built unit MTTF（year）
LS4T-45-0140	4	40	120	140	566.18	109.27
LS4T-45-0220	6	40	200	220	532.86	101.24
LS4T-45-0300	8	40	280	300	503.25	94.31
LS4T-45-0380	10	40	360	380	476.76	88.27
LS4T-45-0460	12	40	440	460	452.92	82.95
LS4T-45-0540	14	40	520	540	431.35	78.24
LS4T-45-0620	16	40	600	620	411.74	74.04
LS4T-45-0700	18	40	680	700	393.83	70.26
LS4T-45-0780	20	40	760	780	377.42	66.85
LS4T-45-0860	22	40	840	860	362.32	63.76
LS4T-45-0940	24	40	920	940	348.38	60.94
LS4T-45-1020	26	40	1000	1020	335.48	58.36
LS4T-45-1100	28	40	1080	1100	323.50	55.99
LS4T-45-1180	30	40	1160	1180	312.34	53.80
LS4T-45-1260	32	40	1240	1260	301.93	51.78
LS4T-45-1340	34	40	1320	1340	292.19	49.90
LS4T-45-1420	36	40	1400	1420	283.05	48.16
LS4T-45-1500	38	40	1480	1500	274.48	46.53
LS4T-45-1580	40	40	1560	1580	266.40	45.01
LS4T-45-1660	42	40	1640	1660	258.79	43.59
LS4T-45-1740	44	40	1720	1740	251.60	42.25
LS4T-45-1820	46	40	1800	1820	244.80	41.00
LS4T-45-1900	48	40	1880	1900	238.36	39.81
LS4T-45-1980	50	40	1960	1980	232.24	38.69
1. The above models are the default detection distance. Type A: 0-10m, and (-□) can be added after the models, and the detection distance can be customized. Type B: 0-16m, Type C: 0-5m, Type D: 0-40m and Type E: 0-70m. 2. Other lengths are subject to customization.

▊	2Safety combination of point-crossing feeding and discharging detection

Safety light curtain for cross feeding and discharging detection

·Why do you need Muting? It can prevent people from entering the dangerous operation area of the machine through the cargo opening, thus causing mechanical injury, and the cargo can pass smoothly without stopping, that is, it will not affect the production efficiency.

·Reference standards IEC 62046, ISO13849 and IEC61496..

Product composition：

·2Group sensor (cross sides)

·Safety light curtain (installed vertically in the middle)

·By sequentially detect that entrance and exit of pallet materials or AGV trolley

Please download the corresponding program matching Muting program.

▊	4Safety combination of point bidirectional parallel feeding and discharging detection

Two-way parallel feeding and discharging detection safety light curtain

·Reference standards IEC 62046, ISO13849 and IEC61496.

Product composition：

·4Group sensor (horizontal sides)

·Safety light curtain (installed vertically in the middle)

·By sequentially detect that entrance and exit of pallet materials or AGV trolley

Please download the corresponding program matching Muting program.

▊	Product components

· Safety grating (the height of the main grating is confirmed according to the site)

· 2Group detection sensor (cross-mounted) is installed at the lower part of aluminum material to prevent collision.

· TT-shaped fixing bracket

· 5M cable

▊	Industrial application

· Automated production line

· Palletizer industry

· Food packaging line industry

· Warehousing industry

· AGV inlet and outlet

▊	Wiring instructions

Muting wiring diagram (schematic diagram of 302 cross feeding and discharging detection)	Muting wiring diagram (602 bidirectional parallel feeding and discharging detection diagram)

▊	technical parameter

executive standard
European Standards	EN 61496-1、2:2020、EN 61508-1~4:2020、EN ISO 13849-1、2:2023
international standard	IEC 61496-1、2:2020、IEC61508-1~4:2010、ISO 13849-1、2:2023
Chinese standard	GB 4584
Security category
security level/phase	Type4、SIL3、Category4、PLe
MTTFd	157~557year No, please check the model details.
Optical parameters
Emitting light source	Infrared LED (central wavelength 850nm)
Optical axis spacing	40mm
Detection accuracy	45mm
Protective height	(Number of beams -1)* Optical axis spacing (unit mm)
Detection distance	Type A: 0 ~ 10m, type B: 0 ~ 16m, type C: 0 ~ 5m, type D: 0 ~ 40m and type E: 0 ~ 70m.
environmental parameter
ambient temperature	Working temperature		-10℃~55℃（Smooth surface without frost and dew condensation）
	storage temperature		-40℃~70℃
ambient humidity	Working humidity		35%RH~85%RH
	storage temperature		35%RH~95%RH
Anti-light interference	filament lamp		3000Lux
	fluorescent lamp		3000Lux
	sunlight		10000Lux
Anti-vibration ability	The frequency is 10Hz-55Hz, the amplitude is 0.35±0.05mm, and the frequency is 20 times in X, Y and Z directions respectively.
Impact resistance	The acceleration is 10g, the pulse duration is 16ms, and 1000 times in X, Y and Z directions respectively.
sectional dimension	34×28mm
電氣特性
operating voltage	24V DC±20%
operational current	Transmitter: < 200mA			Receiver: < 200mA (no load)
Response time	4ms-18ms(Increase or decrease with the number of beams)
Safe output （OSSD）	PNP	PNP transistor output ×2; In the ON state, the load current is ≤100mA and the output voltage is ≥Vcc-2V; In the OFF state, the leakage current is ≤1mA, and the residual voltage is ≤ 1V (excluding the influence of wire extension).
	NPN	When the NPN transistor outputs ×2, the load current is ≤100mA and the output voltage is ≤2V; In the OFF state, the leakage current is ≤1mA and the residual voltage is ≤2V (excluding the influence of wire extension).
start time	< 3s
Detection function	Power-on self-inspection, real-time self-inspection during work.
protective circuit	Overvoltage and overcurrent protection, output short circuit protection