Safezone single-zone safety laser scanner. 442L-SFZNSZ Allen Bradley

Descripción

Suitable for safety functions	True
Voltage type	DC
Rated control supply voltage at DC	24 V
Type of switching output of the OSSD	PNP
Type of electric connection	Screw connection
Galvanic de-coupling	True
Power up time	9 s typical
Voltage level, max	-29...29V @ TxD+, TxD
Short-circuit current	-60...60 mA @ TxD
Size of light spot	27 mm @ 5.0 m scanning range
Power consumption, max	55 W (with maximum output load)
Operating current, max	2.3 A (with maximum output load)
Part number	Safezone singlezone safety laser scanner
Cable length for power supply tolerance ±10%	50 m maximum for cable cross-section 1 mm²
Cable length for power supply tolerance ±5%	60 m maximum for cable cross-section 1 mm²
Cable length for power supply tolerance ±1%	70 m maximum for cable cross-section 1 mm²
Warning field	Approx. 20 m typical (For objects with 20% reflectivity.)
Resolution	30, 40, 50, 70, 150 mm
Protective safety field of the sensor head	4.00 m maximum @ 70 mm resolution, 60 ms response time, with 4.0 m scanning range
Measurement error	Systematic error: ±5 mm (Measured data error output up to 5.0 m, 1.8% reflectivity)
Number of protected semiconductor outputs	2
With configurable message output	True
With restart blockage	True
With alert field output	True
Laser protection class	Class 1
Distance measuring range	49 m
Distance from mirror axis of rotation (zero point on the X and Y axis) to the rear of the device	93 mm
Distance between centre of the scan plane and the bottom edge of the housing	63 mm
Test frequency	120 ms
Switching time of the OSSDs from red to green	120
Divergence of the collimated beam	2.5 m radb
Pulse duration, max	3.1 ns
Output power, max	562 µw
Reflectivity	0.018
Restart (after configurable)	2 s
Cable cross-section of the connecting cable	0.25
Angular resolution	0.5 °
System connector	ESD protected
Protective safety field supplement generally necessary	100 mm maximum
Supplement for retroreflectors in scan plane at a distance of less than 1 m to the protective safety field boundary	200 mm maximum
Sender	Pulsed laser diode
Evenness of the scan field	±70 mm maximum @ 5.0 m
Load capacity	2.2 µF maximum @ 50 Ω
Characteristic impedance of the connecting cable	80 Ω...115 Ω (100 Ω typical)
Number of multiple samplings	2...16 (configurable via SCD)
Time offset on switching the OSSDs between OSSD2 and OSSD1	1.3 ms typical...2 ms maximum
Switch OFF delay	0.7 ms typical...2 ms maximum
Terminating resistance	115 Ω...125 Ω (120 Ω typical)
Differential input threshold at the receiver	±0.2V min. (between RxD+ and RxD-)
PFD - probability of failure on demand	4.46E-3 (minimum requirement = 1E-2)
Type of connecting cable	Twisted pairs with copper braid screen
Differential output voltage at the sender	±2...±5V (between TxD+ and TxD-), with 50 ~ load
Switch on current	2 A maximum (The load currents for the input capacitors are not taken into account)
Switching sequence	Depending on load inductance (without switching and without simultaneous monitoring)
Load inductance	2.2 H maximum (the maximum rated load inductance is higher with lower switching sequence)
Permissible residual ripple	±5% maximum (The absolute voltage level must not drop below the specified minimum voltage)
Power up delay	1.4 ms typical...2 ms maximum (Application diagnostic outputs warning field, contamination of the front screen/error, reset necessary)
Current limiting	600...920 mA (after 5 ms at 25 °C) (Application diagnostic outputs warning field, contamination of the front screen/error, reset necessary)
Supply voltage (SELV)	16.8...28.8V (24V typical), The voltage supply must be capable of buffering brief mains voltage failures of 20 ms as specified in EN 60 204.
Test pulse width	230 µs typical...300 µs maximum (when active, the outputs are tested cyclically (brief LOW). When selecting the downstream controllers, make sure that the test pulses do not result in deactivation)
Permissible cable resistance	2.5 Ω maximum (make sure to limit the individual line core resistance to the downstream controller to this value to ensure that a short-circuit between the outputs is safely detected (also note EN 60 204-1))