The Pico-Guard fibre-optic emergency stop button from Banner Engineering works in conjunction with the manufacturer's Pico-Guard controller and other optical elements in personnel safety and equipment protection applications.
The E-Stop button connects using Banner's plastic fibre-optic cable and offers a simple, quick means of connecting and disconnecting the fibre. When paired with the Pico-Guard controller, the button meets Safety Category 4 applications per ISO 13849-1 and is certified for use in harsh and potentially explosive environments. It also handles environments with high levels of EMI or RF noise.
The button has an impact-resistant enclosure, is rated IP65 and complies with ANSI NFPA 79 and IEC 60204-1 emergency stop requirements.
Several styles of fibre-optic interlocking switches are also available for monitoring guards, gates and covers. Other Pico-Guard optical elements to detect or prevent inadvertent access to a hazard include fibre-optic grids and points for perimeter and access guarding.
The Pico-Guard controller features four optical channels with multiple inputs per channel and includes two Universal Safety Stop Interface (USSI) inputs for direct connection of multiple safety devices. Controllers operate on 24 V d.c. with selectable trip or latch output, external device monitoring and auto/manual power-up. All models mount directly to DIN rails or panels and have removable terminal blocks for convenience. Models are available with auxiliary outputs and muting function.
This fibre-optic safety system eliminates the hassles and hazards of electrical wires commonly used in safeguarding equipment, providing simple operation and integration of safety devices. The system provides high reliability and durability, suiting it to a wide range of industrial applications.
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