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Safety Light Curtains

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Safety Light Curtains for Industrial Machinery

ARK Automation supplies safety light curtains for industrial machinery, automation systems, robotic cells, conveyors, production lines, and controlled access areas. Safety light curtains are electro-sensitive devices that use one or more light beams to create an intangible protected area between an emitter and receiver. When a person or object interrupts the protected area, the safety light curtain can signal the machine safety system to stop or prevent hazardous motion. These products are commonly used as part of a broader machine safety strategy alongside modular machine guarding systems, perimeter guarding, safety gates, emergency stops, safety relays, and programmable safety controllers.

REER Light Curtains and Safety Products

ARK Automation offers a range of REER safety light curtains and accessories for different industrial safety applications. Available product families include REER EOS4, Admiral, Safegate, Janus, Vision, Micron, Metron, and related light curtain accessories. These safety light curtains are used to help protect operators and support safer machine operation in applications where access points, moving equipment, or hazardous machine motion need to be monitored. Depending on the application, REER light curtains may be used for machine guarding, muting applications, long-range detection, waterproof environments, high-resolution detection, or measurement and automation control.

How Safety Light Curtains Work

Safety light curtains create a protected sensing field using beams of light between an emitter and a receiver. If the field is interrupted, the safety system can react by stopping the machine, preventing a restart, or triggering another safety function depending on how the system is configured.

Important light curtain characteristics include:

  • Safety type: Defines the self-monitoring and safety principles of the device and should be selected based on the machine’s risk level.
  • Protected height: The height controlled by the light curtain, or the depth of the protected zone when installed horizontally.
  • Range: The maximum working distance between the emitter and receiver.
  • Response time: The time it takes for the light curtain to send a signal after the protected zone is interrupted.
  • Resolution: The minimum object size that can be detected within the protected area.

Light Curtain Applications and Accessories

Safety light curtains can be used in a wide range of industrial environments where machines, access points, or production areas require non-contact safety monitoring.

Common applications include:

  • Machine guarding
  • Robotic cells
  • Assembly lines
  • Material handling systems
  • Presses and punches
  • Packaging lines
  • Conveyors
  • Automation cells
  • Controlled access points

ARK Automation also supplies light curtain accessories, including floor columns, deflection mirrors, cables, connectors, mounting brackets, protective screens, and test rods.

Choosing the Right Safety Light Curtain

The right safety light curtain depends on the machinery, access points, detection requirements, and safety system design. Before selecting a light curtain, it is helpful to consider the size of the protected area, the required resolution, the working distance between the emitter and receiver, the machine stopping time, and whether accessories such as mirrors, brackets, or floor columns are required.

Facilities should also consider whether the light curtain will be used on its own or as part of a broader safety system with physical guarding, access gates, safety relays, or programmable safety controllers.

Machine Safety Standards and Planning Considerations

When planning a light curtain installation, it is important to think beyond the product itself. The overall safety system should consider the hazards involved, the machine stopping distance, operator workflow, maintenance access, mounting location, visibility, reset requirements, and how the safety device connects to the control system.

Depending on the machine and facility, ANSI, OSHA, risk assessment, and other safety standard considerations may influence the light curtain type, placement, resolution, protected height, response time, and related safety components used in the system.

Before requesting product support or a quote, it is helpful to gather:

  • Machine or equipment details
  • Protected area dimensions
  • Required protected height
  • Working distance between emitter and receiver
  • Required resolution or detection needs
  • Machine stopping time, if known
  • Mounting location details
  • Accessory requirements
  • Existing safety relay, controller, or control system details
  • Any known risk assessment or safety standard requirements

REER Light Curtain Models and Documentation

ARK Automation supplies several REER light curtain models and related accessories. Use the product table below to review available model names, product descriptions, and documentation.

Available models and accessories include REER EOS4, EOS2, Admiral, Safegate, Janus, Vision, Micron, Metron, floor mounting columns, brackets, cables, connectors, and alignment accessories.

Model Name
Description
Documentation (PDF)
ACCESSORIES

Cables, Mounting Brackets, Etc.

ADMIRAL AD

Type 4 Light Curtains

ADMIRAL AX

Type 4 Light Curtains

ADMIRAL AX BK

Type 4 Light Curtains with Blanking

ADMIRAL AX LR

Type 4 Light Curtains, Long Range

COLONNE FMC

Floor Mounting Columns

EOS2

Type 2 Light Curtains

EOS4

Type 4 Light Curtains

EOS4

Type 4 Light Curtains

JANUS

Type 4 Light Curtains with Muting

JANUS J TRX

Type 4 Light Curtains with Retro-reflective Sensor

JANUS LR

Type 4 Light Curtains with Muting, Long Range

JANUS M TRX

Type 4 Light Curtains with Muting and Retro-reflective Sensor

JANUS SL

Accessory Muting Sensor Elements

LASER LAD

Laser Alignment Device

METRON

Measurement, Automation & Control Light Curtain

MICRON

Measurement, Automation & Control Light Curtain

SAFEGATE

Type 4 Light Curtains With Integrated Muting Functions

VISION MXL

Type 2 Light Curtains with Muting

VISION V

Type 2 Light Curtains

VISION VX

Type 2 Light Curtains

VISION VX LR

Type 2 Light Curtains

VISION VXL

Type 2 Light Curtains

Frequently Asked Questions About Safety Light Curtains

Learn more about safety light curtains, REER light curtain models, common applications, accessories, and what information is helpful when planning a machine safety system.

What is a safety light curtain?

A safety light curtain is an electro-sensitive safety device that uses beams of light between an emitter and receiver to create a protected area. If the protected area is interrupted, the safety system can signal the machine to stop or prevent hazardous motion.

Safety light curtains are commonly used around machinery, robotic cells, conveyors, assembly lines, material handling systems, presses, packaging lines, and controlled access points.

ARK Automation supplies REER light curtain models and accessories including EOS4, EOS2, Admiral, Safegate, Janus, Vision, Micron, Metron, and related mounting/accessory products.

Helpful information includes the protected area dimensions, required protected height, working distance, required resolution, machine stopping time, mounting location, accessory needs, and existing safety control setup.

Yes. Safety light curtains are often used with modular guarding, perimeter guarding, access gates, safety relays, and programmable safety controllers as part of a broader machine safety system.

Request Light Curtain Product Support

Need help choosing a safety light curtain for your machine, production line, robotic cell, or controlled access area? Contact ARK Automation to discuss your application, safety requirements, light curtain options, and related safety products. You can also upload related files, drawings, layouts, or product lists using the form below.

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