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440R-N23133 Datasheet(PDF) 1 Page - Allen-Bradley |
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440R-N23133 Datasheet(HTML) 1 Page - Allen-Bradley |
1 / 4 page 2-68 Presence Sensing Safety Devices Safety Laser Scanner SafeZone Description The SafeZone Safety Laser Scanner is an optoelectronic device that uses the diffuse reflection of emitted infrared light to determine the intrusion of a person or object within a defined area. A rotating deflection unit periodically emits Class 1 infrared laser light pulses over a 300° angular range to create a detection zone which is two dimensional. The reflected light is processed by the SafeZone, which will send a stop signal by switching the state of its safety relay outputs, if it is determined that a person or object is within the predefined detection zone. Two zones can be created within the maximum scanning range of the SafeZone through the use of the SafeZone’s Windows based software. The “Safety Zone” is configurable for a 6m (19.7ft) radius and the “Warning Zone” up to a 7.5m (24.6ft) radius. The SafeZone can be used in stationary applications for horizontal detection in a defined protection zone, in vertical applications for whole body access detection, and on mobile safeguarding applications—AGVs (Automated Guided Vehicles). The maximum value of the machine’s stopping time plus the SafeZone’s response time must be calculated so that no person can gain access to a hazard point before the dangerous motion has ceased. Features • 300° scanning angle • Two programmable zones (Safety/Warning) • Safety relay outputs • Robust IP65 housing Specifications Standards IEC61496 Safety Category Type 3 ESPE acc. to EN 61496-1 Approvals CE marked for all applicable directives, cULus, Laser Protection Class IEC 60825 Laser Class 1 (eye safe) Measurement & Toler. Range 0 to 7.5m (0 to 24.6ft) Range for a Safe Detection of Objects the “Nominal Leg” 0 to 6m (0 to 19.6ft) (includes safety supplement) Protective Field Res. Time 280ms Maximum Angle 300 ° Wavelength 905nm Pulse Frequency 5.76KHz + 5% Scanning Frequency 8Hz + 5% Scanning Angle 300 ° Resolution 70mm (2.8in) at 6m (19.6ft) Point Resolution 0.5 ° Vibration per IEC 2-6, frequency range 10-55Hz, amplitude: 0.35mm Shock per IEC 2-29, acceleration 10g, pulse duration: 16ms Optics (Co-axial Transmitter and Receiver Optics) Laser Beam Divergence 15 mrad (0.86°) Focal Length 30mm (1.18in) Lens Diameter 30mm (1.18in) Power Supply Operating Voltage 24V DC ± 25% (via a safety insulating transformer acc. to IEC 742) Switch on Current 2A for 100ms Power Consumption 24W total Housing and Environmental Resistance Material Aluminium Enclosure Rating IP 65 Weight 3.0kg Operating Temperature 0 °C ... 50°C (32°F to 122°F) Storage Temperature -20 °C ... 70°C (-4°F to 158°F) Interfaces Data Interfaces to Computer RS 232: 9600 baud, 8 data bits, 1 stop bit, no parity Signal Outputs for Warning Field, OSSD 1, OSSD 2 Potential-free relay outputs, max. 2A, max. 30V, purely resistive load, number of operations; 2 million |
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