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LIMAX44 RED Shaft Information System Safe, absolute measurement for hoisting heights up to 1.500 m

  • For hoisting heights up to 1,500 m | speeds up to 18 m/s
  • Safe, redundant detection of the absolute car position
  • In combination with a safe elevator control / processing unit safety function are fulfilled
  • Unguided, completely noiseless technology
  • Robust measuring principle, insensitive to dirt, smoke and humidity
  • Simplified assembly for high-rise buildings, no assembly clips required
  • RS485 interface, others on request
  • SIL3 type-examination tested (EU) (customer specific options)
Product inquiry


Measuring principleabsolute, redundant
Repeat accuracy± 1 increment
System accuracy in  µm at 20 °C± (1000 + 100 x L), L= measuring length in meters
Distance sensor/ tape9 mm or 11 mm (depends on magnetic tape type)
Housing materialaluminium
Housing dimensions (W x B x H)466 x 78 x 36 mm
Required magnetic tapeAB20-120-1-R1-C-16A-4943F
Basic pole pitch (magnetic tape)12 mm
Max. measuring length786 m, 1500 m (in preparation)
Connections5 pin M12 round connector, others on request
Sensor cableno cable (fixed connector on housing)
Weightapprox. 900 g


Power supply voltage10 ... 30 VDC
Residual ripple< 100 mV
Current consumptionmax. 600 mA
InterfacesRS485, others on request
Resolution1 mm, others on request
Max. operating speed18 m/s


Achieved SIL SIL3 (TÜV-certified)
Fulfilled standardsin prepration: EN81-20
Type examinationEC according to EN81-20


Storage temperature-25 ... +85 °C 
Operating temperature-10 ... +70 °C, -25 ... +85 °C on request
Humiditiy95 %, non-condensing
Operating heightmax. 2000 m above sea level
Protection classIP54 (according to EN60529), higher on request
Interference emission/ immunity EN 12015 / EN 12016
Vibration/ shock resistanceEN 60068-2-6/ EN 60068-2-27/ EN 60068-2-29

Product of ELGO Batscale AG