Siemens ISI EN 50295 Brochure page 27

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