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Föhrenweg 20
9496 Balzers Principality of Liechtenstein
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LIMAX 44R

designed for High-Rise elevators >262 m
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LIMAX 44R
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LIMAX 44R

Absolute shaft copying system for high-rise elevators

  • Measuring height up to 786 m
  • Operation speed up to 16 m/s
  • Interface RS485
  • Un-guided Version (self-adhesive to rail guide) / Band width of 20 mm
  • Semi-guided Version (freely suspended) / Band width of 10 mm

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Connection incl. tape guiding
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Technical
data

Mechanical dataElectrical dataEnvironmental conditions
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Mechanical data

Measuring principle:absolute
Measurement:linear
Maximum measuring length786 m
Speed:max. 16 m/s
Resolution:0,0625 mm
Repeat accuracy:+/- 1 Increment
System accuracy at 20°C:+/- (1000 µm + 100 µm x L[m])
L = measuring length in meter
Distance from sensor to magnetic tape4.5 mm (semi-guided variant)
max. 8 mm (unguided variant)
Dimensions (without cable):semi-guided variant:
L x W x H = 524 x 81 x 55 mm
unguided variant:
L x W x H = 482 x 78 x 36 mm
Housing material:aluminium
Connection:circular plug 5-pole M12
Weight without cable:approx. 1030 g (semi-guided) / 820 g (unguided)
Required magnetic tape:semi-guided variant:
AB20-120-10-1-R-D-16-BK80
unguided variant:
AB20-120-20-1-R1-C-16A-4943F (0 m … 285 m)
AB20-120-20-1-R1-C-16B-4943F (285 m … 570 m)
AB20-120-20-1-R1-C-16C-4943F (570 m … 786 m)

Electrical data

Supply voltage:+ 18 … 29 VDC (stabilized) in dual-channel operation
+ 10 … 18 VDC (stabilized) in single-channel operation
You must use a power supply with Safety Extra Low Voltage (SELV) or Protective Extra Low Voltage (PELV).
Residual ripple:< 100 mVpp
Reverse voltage protection:integrated
Power input:max. 200 mA @ 24 VDC without loading the output for the door zone indication
Interfaces:RS-485
Protection of the outputs/ interfaces:RS-485 output: short-circuit-proof
output door zone indication: short-circuit-proof to GND, but not to +24V
Cable length:according to EIA RS-485 specifications
Maximum operating time:20 years

Environmental conditions

Storage temperature:-20 °C … +85 °C
Operation temperature:-10 °C … +70 °C
Humidity:max. 95 %, non-condensing
Protection class:IP54 (according to EN 60529)
Operation height:max. 2000 absolute altitude
EMC transient emission/immunity:according to EN 12015 / EN 12016
Vibration/shock resistance:according to EN 60068-2-6 / EN 60068-2-27
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