Spraying Coating Light Curtain Sensor

Spraying Coating Light Curtain Sensors

Enhance safety and efficiency in your spraying and coating processes with our advanced light curtain sensors. These sensors provide reliable object detection, ensuring operator safety and preventing equipment damage in automated spraying applications. Optimize your coating line with precise control and monitoring, minimizing waste and maximizing throughput. Explore our range of light curtain sensors designed specifically for the demanding environments of spraying and coating industries.

ESCF0840L1NRYG-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYG-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-2m

ESCF0840L1NRYG-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYG-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-20m

ESCF0840L1NRYG-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYG-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-4m

ESCF0840L1NRYL-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYL-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-2m

ESCF0840L1NRYL-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYL-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-20m

ESCF0840L1NRYL-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYL-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-4m

ESCF0840L1NRYN-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYN-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35*50mm
  • Sensing distance: 0.1-2m

ESCF0840L1NRYN-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYN-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35*50mm
  • Sensing distance: 0.1-20m

ESCF0840L1NRYN-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 active mode

SKU: ESCF0840L1NRYN-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 active mode
  • Enclosure Size: 35*50mm
  • Sensing distance: 0.1-4m

ESCF0840L1NRZG-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZG-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-2m

ESCF0840L1NRZG-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZG-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-20m

ESCF0840L1NRZG-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZG-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-4m

ESCF0840L1NRZL-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZL-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-2m

ESCF0840L1NRZL-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZL-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-20m

ESCF0840L1NRZL-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZL-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-4m

ESCF0840L1NRZN-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZN-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35*50mm
  • Sensing distance: 0.1-2m

ESCF0840L1NRZN-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZN-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35*50mm
  • Sensing distance: 0.1-20m

ESCF0840L1NRZN-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS485 passive mode

SKU: ESCF0840L1NRZN-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS485 passive mode
  • Enclosure Size: 35*50mm
  • Sensing distance: 0.1-4m

ESCF0840L1NSYG-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS232 active mode

SKU: ESCF0840L1NSYG-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS232 active mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-2m

ESCF0840L1NSYG-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS232 active mode

SKU: ESCF0840L1NSYG-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS232 active mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-20m

ESCF0840L1NSYG-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS232 active mode

SKU: ESCF0840L1NSYG-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS232 active mode
  • Enclosure Size: 35*27mm
  • Sensing distance: 0.1-4m

ESCF0840L1NSYL-2 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS232 active mode

SKU: ESCF0840L1NSYL-2

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS232 active mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-2m

ESCF0840L1NSYL-20 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS232 active mode

SKU: ESCF0840L1NSYL-20

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS232 active mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-20m

ESCF0840L1NSYL-4 Spraying Coating Light Curtain Sensor 8 beam, output NPN, RS232 active mode

SKU: ESCF0840L1NSYL-4

Product feature:

  • High accuracy to detect project even 2.5mm size;
  • Quick response time, adopt special algorithm to shorten the entire scan cycle;
  • Multiple output method, RS485, Rs232;
  • Standard communication protocol, using Modbus-RTU communication protocol;
  • Strong ability in resisting electromagnetic interference can effectively resist influence of various electromagnetic interference of motor equipment;
  • Wire synchronization technology to resist light interference effectively.

Specifications:

  • Series: ESCF0840
  • Beams (n): 8
  • Beam space (mm): 40
  • Detection Height (mm): 280
  • Total height (mm): 365
  • Brackets: L1 Side mounting
  • Output: NPN
  • Commumication method: RS232 active mode
  • Enclosure Size: 35.8*45mm
  • Sensing distance: 0.1-4m

Spraying Coating Light Curtain Sensors: Enhanced Safety and Precision in Automated Coating Processes

Spraying coating light curtain sensors are crucial components in modern automated coating systems, providing enhanced safety and precise control. These sensors utilize a grid of infrared or laser beams to create a protective "curtain" around the spraying area, instantly detecting any intrusion by personnel or objects. This immediate detection triggers an automatic shutdown of the spraying process, preventing potential injuries, damage to equipment, and wasted materials. Beyond safety, these sensors also contribute to improved coating quality by enabling precise positioning and control of the spray application.

Key Benefits of Light Curtain Sensors in Coating Applications

Integrating spraying coating light curtain sensors offers numerous advantages. Firstly, they significantly improve workplace safety by preventing accidental contact with moving parts or hazardous materials. The rapid response time of these sensors minimizes the risk of injury and creates a safer working environment for operators. Secondly, these sensors optimize coating processes by ensuring consistent and accurate application. By monitoring the position and movement of objects being coated, light curtains allow for precise control of spray patterns and deposition rates, leading to higher quality finishes and reduced material waste. Furthermore, automated systems equipped with light curtain sensors can operate continuously and efficiently, increasing overall productivity and reducing labor costs.

Applications and Features

Spraying coating light curtain sensors find application in a wide array of industries, including automotive, aerospace, manufacturing, and electronics. They are used in processes such as powder coating, liquid painting, adhesive application, and surface treatment. Key features to consider when selecting a light curtain sensor for spraying applications include the sensor's resolution (beam spacing), detection range, response time, and environmental protection rating (IP rating). Look for models designed to withstand harsh conditions, such as exposure to dust, solvents, and temperature fluctuations. Other desirable features include integrated muting functions, which allow for the passage of materials without triggering a shutdown, and self-diagnostics for easy troubleshooting. Semantic keywords to consider when searching for these sensors include: safety light curtains, coating automation sensors, spray booth safety, object detection sensors, infrared light curtains, laser light curtains, automated painting systems, powder coating safety, machine guarding, perimeter guarding, muting sensors, safety relays, IP65 light curtains, IP67 light curtains.