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Föhrenweg 20
9496 Balzers Principality of Liechtenstein
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LIMAX 33R

to be discontinued end of 2025
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LIMAX 33R
About
LIMAX 33R

Available till end of 2025

  • Measuring height up to 262m
  • Operation speed up to 10 m/s
  • RS485 Interface
  • IP54

‍

in combination with a safe elevator control system or evaluation unit (SAFEBOX), safety functions up to SIL3 can be fullfilled

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Technical
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Mechanical dataElectrical dataEnvironmental conditions
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Mechanical data

Measuring principle:absolute
Measurement:linear
Maximum measuring length262 m
Speed:max. 10 m/s (higher speeds on request)
Resolution:0.0625 mm
Repeat accuracy:±1 Increment
System accuracy in µm at 20°C:±(1000 + 100  x L) L = measuring length in meter
Distance from sensor to magnetic tape4 mm
Dimensions (without cable):L x W x H = 355 x 85 x 48 mm
Housing material:aluminium
Connection:5-pin M12 round connector
Sensor cable:2 m, 3.2 m and 5 m standard cable length (others upon request)
Weight:approx. 900 g without cable (cable approx. 60 g/m)
Required magnetic tape:AB20-80-10-1-R-D-15-BK80

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 +24 V
Cable length:according to EIA RS-485 specifications
Maximum operating time:20 years, reduced depending on ambient conditions

Environmental conditions

Storage temperature:-20 °C … +85 °C
Operation temperature:-20 °C … +70 °C standard version
-20 °C … +75 °C extended requirements
Note that these specifications for both versions only apply up to an operating altitude of 2000 m above sea level. Above this limit, the maximum ambient temperature is lower due to the lower cooling capacity of the ambient air.
Humidity:max. 95 %, non-condensing
Protection class:IP54 (according to EN 60529)
Operation height:max. 3000 m absolute altitude standard version
max. 4000 m absolute altitude extended requirements
EMC transient emission/immunity:according to EN 12015 / EN 12016
Vibration/shock resistance:according to EN 60068-2-6 / EN 60068-2-27, EN 60068-2-29
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