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Safety light curtains are also photoelectric safety protection devices (safety protectors, punch protectors, infrared safety protection devices, etc.). In modern factories, people and machines work together, and they can be installed on some potentially dangerous mechanical equipment to protect workers. Prevent security incidents from happening. For Example, stamping machinery, shearing equipment, metal cutting equipment, automated assembly lines, automated welding lines, mechanical transmission, and handling equipment, and hazardous areas (toxic, high pressure, high temperature, etc.), are likely to cause personal injury to operators, can be installed.
1. The unique structural design ensures that there is no blind spot in the entire protection area;
2. Dual-channel OSSD output function, which can be cross-monitored with each other;
3. The self-diagnosis function can detect the failure circuit module of the light curtain. and issue an alarm signal;
4. With interlock reset, external test, and EDM function, strengthen the output monitoring ability;
5. Adopt optical communication synchronization, simplify the electrical connection and make the operation easier;
6. Meet the requirements of Type 4, SIL3 and PLe safety levels, and can be used for the protection of various parts of the body;
7. Waterproof design to meet outdoor applications
| Technical Parameters | |
| Light Curtain | LSA |
| Supply voltage | 24 VDC±20% |
| Supply Current | ≤300mA |
| Consumption | ≤5W |
| Delay on | 2s |
| Detection distance | As Mode information |
Space between the optical axis | 10mm\20mm\40mm\80mm |
| Effective aperture | ±2.5°@3m |
| Protection rate | IEC IP65 |
| Communication mode | Optical synchronous |
Standard | IEC 61496 standard, meet to Type4 |
| ISO 13849-1 standard, meet to PLe | |
| IEC 61508,IEC62061,meet to SIL3 | |
| Work environment | Temperature: -25ºC~50ºC; Storage: -40ºC~75ºC; Humidity: 15~95%RH; Anti-light interference: >10000Lux; Vibration resistance: 5g, 10~55Hz(EN 60068-2-6); Impact resistance: 10g, 16ms(EN 60068-2-29); insulation resistance: >100MΩ; Residual ripple voltage: 4.8Vpp; |
| Connector | M12,6 pins(Emitter),8 pins(Receiver) |
| Emitter & Receiver Parameters | ||
| Emitter light | Infrared light 850nm | |
Output Mode | Emitter | Alarm output,transistor PNP/NPN for selecting; output current<150mA(30V DC) |
| Receiver | 2 OSSD output,PNP NC ,short-circuit protection,Cross circuit monitoring,output current <200mA(30V DC) | |
| Indicator | See indicator instruction | |
| Response time | 3.2~51.2ms(on a product model basis) | |
| Switch voltage | Voltage drop:≤1.5V; cutoff voltage: ≤1.2V | |
| OSSD Test | Pulse width:200~300ms pulse cycle:50~100ms | |
| Load | capacitance:30nF, inductance:2.2H | |
| Resistance | Device and load resistance:2.5Ω Power cable resistance: ≤10Ω | |
| TEST input | Active high * | |
| RESET input | Active high* (manual reset or automatic reset) | |
| EDMSE input | Active high * | |
| EDM input | 10~30V DC,current<10mA | |
| LSA40 series | ||||||
| Model | Detection distance(m) | Resolution ratio (mm) | Light beams quantity | Safe height (mm) | Response time( m s) | Product Length(mm) |
| LSA40008 | 0.5~8m | 46mm | 8 | 320 | 3.2 | 325 |
| LSA40012 | 12 | 480 | 4.2 | 485 | ||
| LSA40016 | 16 | 640 | 5.1 | 645 | ||
| LSA40020 | 20 | 800 | 6.1 | 805 | ||
| LSA40024 | 24 | 960 | 7.1 | 965 | ||
| LSA40028 | 28 | 1120 | 8.1 | 1125 | ||
| LSA40032 | 32 | 1280 | 9.1 | 1285 | ||
| LSA40036 | 36 | 1440 | 10.2 | 1445 | ||
| LSA40040 | 40 | 1600 | 11.3 | 1605 | ||
| LSA40044 | 44 | 1760 | 12.3 | 1765 | ||
| LSA40048 | 48 | 1920 | 13.4 | 1925 | ||
The application of safety light curtain is more and more extensive. The main fields are stamping machinery, forging machinery, shearing machinery, automatic assembly line, molding machinery, filter press machinery, rubber machinery, injection molding machinery, lifting controller machinery, paper cutting machinery, three-dimensional garage, woodworking machinery, bending machine machinery, automatic coating equipment, automatic assembly line, automatic storage equipment, Automatic welding equipment and other places with hazardous areas.
Diagnostic function1. Self-failure test function
When the power is on (within 2 seconds), the light curtain carries out a self-test to confirm whether there is a fault. In addition, a self-test will be performed periodically (within response time) during the work process.
2. Control output(OSSD)waveform
When the light curtain is in the lighting state( the beams are not blocked), the control output is NO, while in order to test the output circuit, the Control output will turn to OFF Periodically and the output circuit is diagnosed as normal if the OFF signal was feedback. When the off-pulse signal is not included in the output signal, the output circuit or wiring of the receiver is diagnosed as a fault, and the light curtain immediately enters the locking state.
Product self-inspection steps
1. Detect whether the installation position of the object and the proximity sensor has deviated, slacked, or skewed; whether there is slack, poor contact, or disconnection in the wiring and connection parts
2. Whether there is adhesion or accumulation of metal dust, etc.
3. Is there any abnormality in using temperature conditions and environmental conditions?
4. Set whether the flashing of the display lamp type is abnormal.
If you must be careful not to disassemble and repair by yourself during the inspection, and to easily find out the fault, you can investigate the operating state of the sensor through the connection with the portable detector, and then repair it according to the situation.
In order to make the photoelectric sensor work stably for a long time, it should be regularly checked with the same contents as the general control equipment to maintain its long-term function. The photoelectric sensor can also be stocked. Once a problem with the photoelectric sensor is found, we can replace it in time without affecting the use of the sensor.
Tianjin G-TEK sensor technology co..ltd is indicated in providing intelligent sensor products and customized solutions for logistics automation, factory automation and process automation. The predecessor of the company is Tianjin G-TEK automation technology Co.,ltd, a professional sensor manufacturer and sensor solution provider, which was established in 2003 with business ranges from Proximity switches, photoelectric sensors, measurement and safety light curtains to Laser rangefinder sensors, laser radar., etc and serves for Intelligent buildings, intelligent transportation, logistics automation, factory automation and industry robot fields.
Tianjin G-TEK sensor technology co.,ltd was established in 2014 in Xiqing District, Tianjin City and it will fully inherit and expand the original G-TEK automation business with the construction and operation of the new R&D and manufacturing base.
Q: Is the product shipped and arrived fast?
A: The production cycle for large quantities of products takes 15-30 days, depending on the product.
Q: Can you provide professional advice promptly?
A: We have a professional technical team that can patiently help you answer all professional questions.
Q: Can you provide customized products/services?
A: Yes, we can provide customized products, but the customization needs to meet a certain quantity.
Q: How is the quality of the product? Is the quality stable?
A: G-TEK Sensors has been focusing on the sensor field for 23 years. The quality of the sensor has the double affirmation of the CE certificate and customer reputation.
Q: What is your MOQ?
A: We offer MOQ per piece; it depends on your specific order.
Q: Is there any relevant terms of service and warranty information?
A: We offer a warranty on all items. The sensor products are guaranteed for 15 months, and the light curtain and lidar products are guaranteed for 18 months. For after-sales questions, you can directly contact the product salesperson.
Q: Is there any relevant information available for download on the website?
A: Yes, if you want to download the relevant product manual, you can go to our official website to download it.
Q: Can I be your reseller?
A: Yes, we are looking for distributors in overseas markets.
