Siemens ISI EN 50295 - Manual (Page 27)

Siemens IK PI · 2004 6/27
AS-Interface
AS-Interface Safety at work
AS-Interface laser scanner LS4
6
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Technical specifications
LS4-4 AS-Interface laser scanner 3SF7 834-6DD00
Protective zone
• Sensing range in m 0 to 4
• Luminance factor in % Min. 1.8
• Object size (diameter) in mm 70 (cylindrical test object)
• Response time
- Double evaluation (2 scans)
in ms
85
- Adjustable up to 16 scans in ms 645
• Number 4 (selectable via switch inputs)
• Safety category Category 3 according to
EN 954-1, Type 3 according to
IEC 61496-1 or EN 61496-3
• Output Safe AS-Interface connection
• Start-up Start-up testing and start-up
disable can be set separately
• Restart 160 ms to 10 s
(adjustable or manual)
Protective zone supplement
• For deactivated dust suppression
in mm
81
• For activated dust suppression
in mm
- For protective zone size
< 3.5 mm
81
- For protective zone size
> 3.5 mm
98
• Additional for reflectors in mm
- Over 1.2 m behind the
protective zone line
0
- In the protective zone or up to
1.2 m behind the protective
zone line
110
Warning zone
• Sensing range in m 0 to 15
• Luminance factor in % Min. 20
• Object size in mm 150 ´ 150
• Response time in ms
- Double evaluation (2 scans) 85
- Adjustable up to 16 scans 645
• Number of warning zones 4 (selectable via switch inputs)
• Output Connection of AS-Interface
Contour measurement
• Sensing range in m 0 to 50
• Luminance factor in % Min. 20
• Output RS 232 serial interface
via infra-red interface
• Radial resolution in mm 5
• Lateral resolution in ° 0.36
Supply voltage
• Via AS-Interface network in V 29.5 to 31.6 (according to AS-
Interface specification)
• Via AS-Interface auxiliary voltage
in V
Up to DC 30
• Via external supply in V 24 DC (+/-20 %)
• Note The power supply unit for the
external supply voltage as well as
the AS-Interface power supply
unit for supplying the AS-Inter-
face components must feature
safe mains isolation according to
IEC 60742 and must bridge tem-
porary mains failures of up to
20 ms (e.g. AS-Interface power
pack 3RX9 307-0AA00)
Overcurrent protection 1.25 A fuse, medium-slow
Supply current in mA Typ. 350
LS4-4 AS-Interface laser scanner 3SF7 834-6DD00
Inputs
• Restart/Reset Connection of a command device
for "with restart lockout“ operating
mode and/or device resets,
dynamically monitored,
24 V DC opto-decoupled
• Zone-pair switchover Selection of zone pairs via
4 control cables with internal
monitoring (one zone pair =
one protective zone and one
warning zone),
24 V DC opto-decoupled
• Signal definition in V
- High (logical 1) 16 to 30
- Low (logical 0) < 3
• AS-Interface address
programming
Connection of a generally
available AS-Interface address
programmer
RS232 interfaces for each infrared
interface For device parameterization and
zone function
Optical system
• Angular zone in ° 190
• Angular resolution in ° 0.36
• Lateral tolerance in °
- Without mounting system (with
reference to the rear panel of the
housing)
± 0.18
- With mounting system (with ref-
erence to the mounting surface)
± 0.22
• Scan rate 25 scans/s or 40 ms/scan
• Laser protection class
- According to standard EN 60825-1, Class 1
(safe for eyes)
- Wave length in nm 905
- Beam divergence in mrad 2
- Time base in s 100
Degree of protection IP65
Ambient temperature in °C
• Operation 0 to +50
• Storage -20 to +60
Housing insulation class Protection class 2
Humidity Acc. to DIN 40040, Table 10,
Code Letter E (medium dry)
Dimensions (W x H x D) in mm 140 ´ 168 ´ 165
Control cable X3
• Length in m Max. 50 (for cable cross-section
of 0.5 mm
2
, shielded)
• Note Shield must be connected to PE
at the cabinet end only
Transmitter Infrared laser diode ( l = 905 nm)
Dimension spacing in mm
• Middle of the scan plane to
bottom edge of housing
48,75
• Rear edge of housing to axis of
rotating mirror
101
Housing
• LS4 Cast aluminum, plastic
• AS-Interface rucksack Plastic, steel connection plate
Vibration stress over three axes
acc. to IEC 60068, Part 2-6 10 to 150 Hz, max. 5 g
Continuous shock over three axes
acc. to IEC 60068, Part 2-29 10 g, 16 ms
Rotating mirror drive Brushless DC motor
Rotating mirror bearings Maintenance-free ball bearings