- Sensors
- Machine Safety
- Safety Light Screens (Type 4)
- Safety Light Screens (Type 2)
- Safety Interlock Switches
- Two-Hand Control Modules
- Safety Modules and Controllers
- Emergency Stop Devices
- Fiber Optic Safety Systems
- PICO-GUARD Fiber Optic Safety Systems
- PICO-GUARD Fiber Optic System—Controllers
- PICO-GUARD Fiber Optic System—Points
- PICO-GUARD Fiber Optic Interlock Switches—Straight & Right Angle
- PICO-GUARD Fiber Optic Interlock Switches—Active/Passive
- PICO-GUARD Fiber Optic System—Grids
- PICO-GUARD Fiber Optic System—Optical E-Stop Buttons
- Machine Safety Accessories
- Vision Sensors and Vision Lighting
- Indicator Lights
- Wireless Sensor Networks
PICO-GUARD Fiber Optic Interlock Switches—Active/Passive
Uses & Applications
Overview
Active/Passive Switches provide a compact, non-contact, easy-to-install means of interlocking doors, guards, gates and covers.
- Offers choice of U-shaped active/passive interlock switches for use with PICO-GUARD controller in personnel safety and equipment-protection applications
- Provides compact, non-contact, easy-to-install interlocks switches for doors, guards, gates and covers
- Allows fiber to enter and exit from one side of the guard only—ideal for removable doors and panels
- Available in impact-resistant polycarbonate plastic, extreme-duty chemical-resistant stainless steel or heavy-duty impact-resistant zinc die-cast
- Offers choice of integral or cut-to-length plastic fiber, depending on model
- Allows use of multiple active/passive pairs per optical channel, depending on model and fiber length
- Eliminates electrical wires and expensive electrical wiring for easy installation
- Meets all requirements for Type 4 per IEC 61496-2 and Safety Category 4 per ISO 13849-1 applications
- Designed to ATEX, FM and CSA approval for use in explosive environments
- Rated IEC IP67
- Installs easily with center mounting configuration
- Offers optional attenuator for reducing excess gain in short-run applications
- Offers splices for easily connecting two fiber sections
Product Specifications
| Separation and Max. Switching Distance | 1 mm = ±10 mm 25 mm = ±11 mm 50 mm = ±12 mm |
|---|---|
| Mounting | SFI-D1, SFI-A1 and SFI-A1X models:holes for M4 (#10) screws (not included) SFI-D1HD, SFI-A1HD, SFI-D1ED and SFI-A1ED models:holes for M6 screws (not included) |
| Construction | SFI-D1HD and SFI-A1HD models:cast zinc housing, glass window, PTFE fluoropolymer-sheathed or polyethylene plastic fiber SFI-D1ED and SFI-A1ED models:316 stainless-steel housing, glass window, PTFE fluoropolymer-sheathed plastic fiber SFI-D, SFI-A1 and SFI-A1X models:polycarbonate plastic housing and window; acrylic lens |
| Environmental Rating | IEC IP67 |
| Operating Conditions | Temperature:0° to +70° C Relative humidity:95% |
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