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SIGUARD laser scanner LS4 Technical data Protective field data Personnel protective field Detection range 0–4 m (no dead zones when correctly mounted) Reflection capacity Min. 1.8 % (matt black) Measuring error Max. 83 mm (for a protective field radius < 3.5 m) Max. 100 mm (for a protective field radius > 3.5 m) Object size 70 mm (cylindrical test body) Response time Min. 80 ms (by version with semi-conductor output) Number of protective fields 4 (can be changed-over using switching inputs) Output Two fail-safe PNP transistor outputs 24 V/250 mA or a safety-related bus coupling Category Category 3 acc. to EN 954-1, type 3 acc. to DIN EN IEC 61496-1, IEC 61496-3 Requirement Class 4 acc. to DIN V 19250, single-fault proof Starting The start test routine and the start inhibit can be separately parameterized Warning field Detection range 0–15 m Reflection capacity Min. 20 % Object size 150 x 150 mm Response time Min. 80 ms (by version with semi-conductor output) Number of protective fields 4 (can be changed-over using switching inputs) Output PNP transistor output, max. 100 mA or bus coupling Contour measurement Detection range 0–50 m Reflection level Min. 20 % Object size - - - Output Serial RS 232, RS 422 interface Resolution, radial 5 mm Resolution, lateral 0.36° Optical properties Angular range 190° Angular resolution 0.36° Scan rate 25 scans/s or 40 ms/scan Laser protection class Class 1 (safe for the eyes), DIN EN 60825-1, wavelength = 905 nm, beam divergence = 2 mrad, timebase = 100 s General data Electrical supply Standard AS-Interface PROFIBUS 10 Power supply +24 V DC +20 %/–30 %, power supply according to IEC 742 using a safety transformer or comparable for DC/DC converters Overcurrent protection Using a 1.25 A medium-slow-acting fuse in the electrical cabinet Current drain Approx. 300 mA Approx. 350 mA Approx. 350 mA (use a 2.5 A power supply) Power drain Approx. 8 W at 24 V Approx. 9 W at 24 V Approx. 9 W at 24 V plus the output load Overvoltage protection Overvoltage protection with safe end cut-off according to DIN EN 61496-1 Voltage dips In compliance with DIN EN 61496-1 Protective conductor A protective conductor may not be connected up The PROFIBUS cable shield must be connected to the protective conductor
General data Inputs Restart/reset Standard AS-Interface PROFIBUS A control device is connected for the “restart inhibit” mode and/or device reset, dynamically monitored Field pair changeover 4 field pairs are selected using 4 field pairs are selected using Field pair changeover 4 control lines with internal 4 control lines with internal via PROFIBUS monitoring (field pair = 1 protective monitoring (field pair = 1 protective (PROFIsafe profile) field and 1 warning field), 24 V DC field and 1 warning field), 24 V DC decoupled through an optical coupler) decoupled through an optical coupler) Outputs Protective field 2x fail-safe semiconductor outputs, AS-Interface, PROFIBUS, fail-safe slave PNP max. 250 mA fail-safe slave (Safety at Work) (PROFIsafe profile) short-circuit-monitored, overcurrent-protected Warning field/ PNP transistor output, AS-Interface PROFIBUS pollution/fault max. 100 mA Software Operator software LS4soft communication and parameterizing software running under Windows 95/98/2000/NT/XP with safe protocol for programming Interfaces RS 232, RS 422 To parameterize the device and define the fields using LS4soft (RS 422 only for standard version) Environment and materials Degree of protection IP 65 according to IEC 60529 Shock protection Protective Class 2 Operating temperature 0 ... +50 °C Storage temperature –20 °C ... + 60 °C Humidity DIN 40040 Table 10, Code letter E (essentially dry) Dimensions 140 x 155 x 135 140 x 168 x 165 140 x 168 x 165 (W x H x D) in mm Connection 2 connectors 2 M12 connectors 1 M12 connector, (inserted from the top, (AS-Interface and 1 M12 socket solder connection) auxiliary voltage) (PROFIBUS input 1 M12 socket and output), (protective field changeover) 1 M12 socket (supply voltage), 1 connector (local restart) Control cable length Max. 50 m for 0.5 mm 2 cable cross-section, shielded Data cable length RS 232 Max. 10 m Data cable length RS 422 Max. 50 m (Twisted Pair) Transmitter Infrared laser diode (905 nm wavelength) Housing Die-cast aluminum, plastic Weight Approx. 2 kg Vibration stressing According to IEC 60068 Part 2–6, 10 - 150 Hz max. 5 G over 3 axes Continuous shock According to IEC 60068 Part 2–29, 10 G, 16 ms over 3 axes Noise immunity According to DIN EN 61496-1 (corresponding to the requirements for Type 4), additionally in accordance with DIN 40839-1/3 Test pulses 1, 2, 3 a, 3 b and 5 (cannot be used on vehicles with internal-combustion engines) Rotating mirror drive Brushless DC motor Rotating mirror bearings Maintenance-free ball bearings 11
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