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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Description Price 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 Stock No. 125-0676
Mfr. Part No.F3SG-2RE0400P14
BrandOmron
PHP37,327.82
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 39 400mm - 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (Long) m 7 (ON to OFF) ms, 35 (OFF to ON Synchronized) ms, 135 (OFF to ON Not Synchronized) ms 24 V dc
RS Stock No. 511-7068
Mfr. Part No.1K3-104
BrandSmartscan
PHP52,087.13
Each
units
- 1K3 30mm Receiver, Sender 3 2 D 24 630mm - 0.5m 5m 40 ms 24 V dc
RS Stock No. 913-9286
Mfr. Part No.C2C-EA12030A10000
BrandSick
PHP30,961.75
Each
units
DeTec2 Core - 30mm Receiver 2 1 C - 1200mm - 0m 10 (Minimum) m, 12 (Typical) m 12 ms 24 V dc
RS Stock No. 701-2952
Mfr. Part No.C2MT-06034BBC03FE0
BrandSick
PHP34,809.12
Each
units
MiniTwin C2MT 34mm Receiver, Sender 2 2 D - 600mm - 0m 8m 13 ms 24 V dc
RS Stock No. 511-7080
Mfr. Part No.1K3-105
BrandSmartscan
PHP41,410.19
Each
units
- 1K3 40mm Receiver, Sender 3 2 D 24 640mm - 4m 10m 40 ms 24 V dc
RS Stock No. 125-0685
Mfr. Part No.F3SG-2RE0590P30
BrandOmron
PHP42,581.29
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 28 590mm - 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 7 (ON to OFF) ms, 35 (OFF to ON Synchronized) ms, 135 (OFF to ON Not Synchronized) ms 24 V dc
RS Stock No. 913-9255
Mfr. Part No.C2C-SA03030A10000
BrandSick
PHP10,690.10
Each
units
DeTec2 Core - 30mm Sender 2 1 C - 300mm - 0m 10 (Minimum) m, 12 (Typical) m 10 ms 24 V dc
RS Stock No. 757-7838
Mfr. Part No.F3SJ-E0705P25
BrandOmron
PHP98,338.86
1 Pair
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 E 34 705mm - 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc
RS Stock No. 125-0673
Mfr. Part No.F3SG-2RE0160P14
BrandOmron
PHP25,113.65
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 15 160mm - 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (Long) m 5 (ON to OFF) ms, 25 (OFF to ON Synchronized) ms, 125 (OFF to ON Not Synchronized) ms 24 V dc
RS Stock No. 125-0687
Mfr. Part No.F3SG-2RE0910P30
BrandOmron
PHP53,617.90
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 44 910mm - 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 7 (ON to OFF) ms, 35 (OFF to ON Synchronized) ms, 135 (OFF to ON Not Synchronized) ms 24 V dc
RS Stock No. 746-7315
Mfr. Part No.F3SJ-A0295P30
BrandOmron
PHP109,755.30
Each
units
- F3SJ 25mm Receiver, Sender 4 3 E 12 295mm - 0.2m 9m 17.5 (On to Off) ms, 70 (Off to On) ms 24 V dc
RS Stock No. 125-0680
Mfr. Part No.F3SG-2RE0190P30
BrandOmron
PHP23,661.57
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 8 190mm - 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 Stock No. 862-5865
Mfr. Part No.OS32C-BP-4M
BrandOmron
PHP274,545.72
Each
units
- 0S32C 30 mm, 40 mm, 50 mm, 70 mm Scanner 3 2 D - - - - 4m 680 (On to Off) ms, 780 (Off to On) ms 24 V dc
RS Stock No. 701-2921
Mfr. Part No.C2MT-01824BBC03BE0
BrandSick
PHP24,926.42
Each
units
MiniTwin C2MT 24mm Receiver, Sender 2 2 D - 180mm - 0m 8m 13 ms 24 V dc
RS Stock No. 125-0679
Mfr. Part No.F3SG-2RE0720P14
BrandOmron
PHP54,956.38
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 71 720mm - 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (Long) m 9 (ON to OFF) ms, 45 (OFF to ON Synchronized) ms, 145 (OFF to ON Not Synchronized) ms 24 V dc
RS Stock No. 701-2924
Mfr. Part No.C2MT-03024BBC04DE0
BrandSick
PHP28,487.56
Each
units
MiniTwin C2MT 24mm Receiver, Sender 2 2 D - 300mm - 0m 8m 13 ms 24 V dc
RS Stock No. 913-9267
Mfr. Part No.C2C-SA06030A10000
BrandSick
PHP16,005.65
Each
units
DeTec2 Core - 30mm Sender 2 1 C - 600mm - 0m 10 (Minimum) m, 12 (Typical) m 10 ms 24 V dc
RS Stock No. 125-0677
Mfr. Part No.F3SG-2RE0480P14
BrandOmron
PHP41,768.43
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 47 480mm - 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (Long) m 7 (ON to OFF) ms, 35 (OFF to ON Synchronized) ms, 135 (OFF to ON Not Synchronized) ms 24 V dc
RS Stock No. 920-9694
Mfr. Part No.2TLA022302R0100 Orion1-4-30-030-B
BrandABB
PHP74,367.09
1 Pair
Pair(s)
Orion1 - 30mm Receiver, Sender 4 - E 16 300mm - 0.2m 19m 11 ms 24 V dc
New
RS Stock No. 213-3705
Mfr. Part No.C2C-EA15030A10000
BrandSick
PHP45,646.14
Each
units
DeTec variant: deTec2 Core deTec 30mm Receiver - - PL c - 1500mm 15m - - 13000 ?s 24 V