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440R-N23113 Datasheet(PDF) 1 Page - Allen-Bradley |
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440R-N23113 Datasheet(HTML) 1 Page - Allen-Bradley |
1 / 7 page 2-8 Presence Sensing Safety Devices Safety Light Curtains GuardShield Type 4 Description The Allen-Bradley Guardmaster GuardShield safety light curtain is an economical, fully featured, Type 4 safety light curtain in a uniquely styled housing. GuardShield safety light curtains are general purpose presence sensing devices designed for use on hazardous machinery providing point of operation, as well as perimeter and access guarding. This self-contained, two box, safety light curtain has DIP switch selectable operating modes and are available in both 14mm and 30mm resolutions. Modes of operation such as fixed and floating blanking, beam coding, start/restart interlock, external device monitoring (EDM), machine test signal, are selected by dip-switches settings. These dip- switches are located beneath a security door, which are conveniently located on both the transmitter and receiver end caps. The GuardShield’s torsionally rigid, extruded aluminium, polyurethane powder coated housing, combined with an Environmental rating of IP65, allows the GuardShield to be used in guarding applications across a broad range of industries. Features • Fixed blanking—teachable • Floating blanking—one or two beam • Beam coding • External Device Monitoring (EDM) • Start/restart interlock Specifications Note: The external power supply must be capable of buffering brief power failures of 20ms as specified in IEC 60204. Standards EN 61496 Parts 1 & 2 Approvals TUV and CE marked for all applicable directives; UL 61496, UL 1998 Protected Height 160mm...1760mm (6.3in...69.3in) in 160mm (6.3in) increments Scanning Range/Resolution 0.3-7m/14mm (0.98-22.9ft/0.55in) 0.3m-18m/30mm (0.98-59ft/1.18in) Resolution 14mm/30mm (0.55in/1.18in) Enclosure Rating IP 65 Connection Type Transmitter: 4-pin micro QD Receiver: 8-pin micro QD Supply Voltage Uv Maximum Residual Ripple 24V DC ± 20% 5 Vss Power Consumption 0.9...2 Amps (no-load) 0.4A max (no load) Synchronization Optical, without separate synchronization channel Outputs—Safety 2 x PNP, 0.5 A, short circuit protected Output—Non safety 1 x PNP 0.5A max. Minimum Output Voltage Uv - 2V Response Time Depending on number of beams Protection Short circuit and overload Cable Length 30m (100ft) max. Mode of Operation Manual or automatic restart Safety Category Type 4 (self-checking) per EN 61496 Operating Ambient Temp. -10°C to 55°C (14°F to 131°F) Air Humidity 15%...95% (not condensing) Storage Temperature -25°C to 75°C (-13°F to 167°F) Approximate Dimensions Height Housing Cross Section Length dependent upon protected height; (see dimensional drawings) 40 mm x 50 mm (1.57in x 1.96in) Transmitter Wavelength 870nm Vibration Resistance IEC60068-2-6, frequency 10Hz to 55Hz Amplitude: 0.35mm (0.01in) Shock IEC60068-2-29 acceleration 10g, pulse duration 16ms |
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