Light Curtains

Safety light curtains are also known as safety light barriers or safety light screens. These optoelectronic devices are used to detect people present in the vicinity of moving machinery. Light curtains can be used as an alternative to mechanical barriers and other forms of traditional machine guarding. A set of light curtains contains a transmitter head and a receiver head. A transmitter generates an infra-red light between the two heads which acts as a detection zone. A movement detected within the detection zone initials the machine stopping procedure and automatically disconnect all hazardous machinery.

To reactivate the machinery, an operator has to press reset button that is positioned outside of the danger area. Some models are equipped with an auto-reset option that automatically starts machinery once the detection zone is free of obstacles. A response time of all light curtains is just a fraction of a second, it means that no other barrier type can compare to that.

Light curtains are great safety devices that are used to keep people safe around hazardous machinery which could cause them harm. They can help ensure user safety during routine operations like maintenance and repair.

Selecting the right light curtains

Maximum scanning distance and beam resolution are 2 important attributes that determine the right device for you. A distance between transmitter and receiver can be various from 0 to 20m and the choice depends on the type of machinery that is used in conjunction with the curtain.

Beam resolution determines detection capability, light curtains with 14 mm beam resolution are able to detect small body parts such as a finger, 20 mm ones are suitable for palm detection. Beam resolution of 20 mm and above are ideal for hand, head or full body detection. Typical beam resolution values are between 14 mm to even 70 mm.

Typical Applications

Light curtains are a way of safeguarding employees from dangerous machines. The design of the safety light curtain offers more flexibility and simplifies machine set up, maintenance and repair than other solid traditional guarding systems such as mechanical barriers and sliding gates. They can be found in various applications including:

  • Packaging machines
  • Process machinery
  • Automated warehouses
  • Textile machinery
  • Electronic component assembly lines
  • Mechanical and hydraulic power presses

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Omschrijving Prijs Range Series Beam Resolution Component Type Safety Type SIL IEC 61508 PL EN ISO 13849-1 Number of Beams Protective Height Maximum Protective Width Minimum Scanning Distance Maximum Scanning Distance Maximum Response Time Supply Voltage
RS-stocknr. 125-0682
FabrikantnummerF3SG-2RE0350P30
FabrikantOmron
€ 467,72
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 16 350mm - 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 5 (ON to OFF) ms, 25 (OFF to ON Synchronized) ms, 125 (OFF to ON Not Synchronized) ms 24 V dc
RS-stocknr. 182-9545
FabrikantnummerSLLP23-770P88
FabrikantBanner
€ 1.742,03
Each
Aantal stuks
- SLL 23mm Emitter, Receiver - 3 E - 770mm - - 12m 14.2 ms 24 V dc
RS-stocknr. 146-5836
FabrikantnummerSLC440COM-E-1450-30
FabrikantSchmersal
€ 1.517,19
Each
Aantal stuks
SLC440COM 440 30mm Sender - - - 72 1450mm - 300mm 10000mm 20 ms 24 V dc
RS-stocknr. 701-2956
FabrikantnummerC2MT-07834BBC03FB0
FabrikantSick
€ 496,00
Each
Aantal stuks
MiniTwin C2MT 34mm Receiver, Sender 2 2 D - 780mm - 0m 8m 13 ms 24 V dc
RS-stocknr. 182-9534
FabrikantnummerSGSXP4-400Q88
FabrikantBanner
€ 2.051,08
Each
Aantal stuks
- SGS 400mm Emitter, Receiver - 3 E 4 1200mm - 6m 60m 25 ms 24 V dc
RS-stocknr. 191-9851
Fabrikantnummer632082
FabrikantPilz
€ 1.529,30
Each
Aantal stuks
- opII4F 14mm Receiver, Transmitter 4 - E - 450mm - 0.2m 8m 15.2 ms 24 V dc
Nieuw
RS-stocknr. 213-1808
FabrikantnummerM2C-SA0340HA10
FabrikantSick
€ 298,00
Each
Aantal stuks
- deTem 400mm Sender - - PL c 3 - - - 90m 20000 μs 19.2 → 28.8 V dc
Nieuw
RS-stocknr. 214-6755
FabrikantnummerF3SG-2RE1950P30
FabrikantOmron
€ 1.426,06
Each
Aantal stuks
- F3SG 30mm Receiver, Sender - - - 96 - - - - - -
RS-stocknr. 127-8329
FabrikantnummerXUSL4E4BB091N
€ 1.356,29
1 Pair
Pair(s)
Preventa XUSL4E - Receiver, Transmitter 4 3 E 4 910mm - 0m 4 m, 12 m 3 ms -
Nieuw
RS-stocknr. 214-6779
FabrikantnummerF3SG-4RE0880P14
FabrikantOmron
€ 2.018,18
Each
Aantal stuks
- F3SG 14mm Receiver, Sender Type 4 - - 87 - - - - - -
RS-stocknr. 191-9847
Fabrikantnummer632067
FabrikantPilz
€ 2.153,00
Each
Aantal stuks
- opII4H 30mm Receiver, Transmitter 4 - E - 1200mm - 0.2m 18m 22.3 ms 24 V dc
RS-stocknr. 146-5838
FabrikantnummerSLC440COM-E-1610-30
FabrikantSchmersal
€ 1.660,75
Each
Aantal stuks
SLC440COM 440 30mm Sender - - - 80 1610mm - 300mm 10000mm 20 ms 24 V dc
Nieuw
RS-stocknr. 213-3723
FabrikantnummerC4C-EA19510A10000
FabrikantSick
€ 1.946,00
Each
Aantal stuks
DeTec variant: deTec4 Core deTec 14mm Receiver Type 4 SIL 3 PL e - 1950mm 10m - - 21000 μs 24 V
RS-stocknr. 151-2478
Fabrikantnummer450L-B4FN0150YD
€ 243,00
Each
Aantal stuks
GuardShield 450L 14mm Transceiver 4 3 E 16 150mm - 0.5m 4m <15 ms 24 V dc
RS-stocknr. 492-2538
Fabrikantnummer440L-P4K0800YD
€ 3.100,00
Each
Aantal stuks
GuardShield 440 L 30mm Receiver, Sender 4 3 E 40 800mm - 0.3m 16m 20 ms 24 V dc
Nieuw
RS-stocknr. 213-1815
FabrikantnummerM4C-SA0250HA10
FabrikantSick
€ 320,00
Each
Aantal stuks
- deTem 500mm Sender Type 4 - PL e 2 - - - 90m 20000 μs 19.2 → 28.8 V dc
Nieuw
RS-stocknr. 214-6758
FabrikantnummerF3SG-2SRB0640-25
FabrikantOmron
€ 603,98
Each
Aantal stuks
- F3SG 25mm Receiver, Sender - - - 32 - - - - - -
RS-stocknr. 511-7096
Fabrikantnummer1K3-109
FabrikantSmartscan
€ 1.058,87
Each
Aantal stuks
- 1K3 40mm Receiver, Sender 3 2 D 36 940mm - 4m 10m 40 ms 24 V dc
RS-stocknr. 136-3378
FabrikantnummerC4C-SA12030A10000
FabrikantSick
€ 916,00
Each
Aantal stuks
DeTec4 Core C4C 30mm Sender - - - - 1200mm - 0m 12m 14 ms 24 V dc
RS-stocknr. 183-5240
Fabrikantnummer450L-E4FL0600YD
€ 706,00
Each
Aantal stuks
GuardShield 450L-E 14mm Transceiver - - E - 600mm - 0.5m 9m 20 ms 24 V dc