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Speed Sensor GEL 2470

ti2470_e-1_03
Description
  • Speed sensor based on magnetic measurement principle
  • Maintenance- and wear-free operation due to non-contact measurement of rotation
  • Suitable for ferromagnetic target wheels
  • Output signals are two square-wave voltage signals shifted by 90°
  • Direction detection by evaluation of both channels
  • Robust and compact aluminium housing suitable for harsh application
  • Simple flange mounting
  • Customised cable fittings
Features
  • Module target wheel 1.00 to 3.50
  • Measuring range 0.4 Hz to 20 kHz
  • Air gap up to max. 4 mm
  • Temperature range -40 °C to +120 °C
  • Protection class IP 68
  • Type test according to EN 50155
Advantages
  • Low lifecycle costs for end customer due to high reliability
  • Place-saving sensor in a compact design
Field of application
  • Rail vehicles
    - Traction control
    - Anti-slip
    - Anti-skid
    - Motor speed
  • Automation
    - Measurement of speed and positions at gears, motors and roller

Technical data



Signal pattern V
Electrical data
Supply voltage VS (reverse polarity protected) 10 to 30 V DC
Current consumption per channel IS (without load) ≤ 28 mA
Output signal (short circuit-proof) Square-wave signals
Output signal level high (1) ≥ VS - 1.5 V
Output signal level low (1) ≤ 1.0 V
Output current per channel ≤ 20 mA
Input frequency of target wheel 0.4 Hz to 20 kHz
Output frequency 0.4 Hz to 20 kHz
Duty (depends on measuring scale and air gap) 50% ± 10 %
Phase shift typ. 90°
Slew rate (2 m cable) ≥ 5 V/μs
Electromagnetic compatibility Rail vehicles (EN 50121-3-2) Industrial applications (EN 61000-6-1 to 4)
Insulation 500 V AC (EN 60439-1)
Mechanical data
Module m of target wheel 1.00 / 1.25 / 1.50 / 1.75 / 2.00 / 2.25 / 2.50 / 3.00 / 3.50
Permissible air gap (2) 0.2 to 3.5 mm (see air gap table)
Width of target wheel ≥ 10 mm (smaller ones on request)
Form of target wheel Involute gear as per DIN 867, rectangular gear 1:1 or slotted disk (on request)
Material of target wheel Ferromagnetic steel
Operating and ambient temperature -40 °C to +120 °C
Storage temperature -40 °C to +120 °C
Protection class IP 68
Vibration resistance EN 61373 cat. 3
Shock resistance EN 61373 cat. 3
Type test EN 50155
Housing material (flange) Aluminium anodized
Material of sensor tube stainless steel
Weight of sensor (incl. 2 m cable, with flying lead) Approx. 500 g
Electrical connection
Cable Cable halogen free and screened (specification on request), cable outlet straight
Cable length ≤ 100 m
Cable diameter 7.1 mm
Cable cross section 4 x 0.5 mm2
Bending radius static / dynamic 21 mm / 36 mm

Signal pattern, Signal level,
Electrical connection



Signal pattern - voltage output

Output signals Signal pattern
2 channels shifted by 90° V VS: 10 to 30 V DC
ti2470_e-3_03


Explanation

1, 2
VS


Output signal level


ti2470_e-3_07


Output signal level


Function Core colour
Channel 1 blue
Channel 2 white
GND (0 V) green
+ VS (10 to 30 V DC) orange
Cable / screen 1 / 1

Dimensional drawing



Dimensional drawing

ti2470_e-4_03

Assembly drawing,
Air gap table



Assembly drawing

ti2470_e-5_03

Drilling plan

ti2470_e-5_07
X Bevelling
d Air gap (see air gap table)
1 Mounting screw (recommended: M8 x 20, EN ISO 4762)
2 Sealing ring (21 x 2.5 mm; NBR)
3 Direction of rotation of the target wheel (forwards)
4 Visible surface(1)
5 Index pin





Signal for forward direction


ti2470_e-5_09

  Please observe the notes on electromagnetic compatibility (EMC) in the mounting instructions!


Air gap table


Module m Permissible air gap d
1.0 0.2 to 1.0 mm
1.25 0.2 to 1.25 mm
1.5 0.2 to 1.5 mm
2.0 0.2 to 2.0 mm
3.0 0.2 to 3.0 mm
3.5 0.2 to 3.5 mm

Type code



type code GEL 2470 ti2470_e-6_03
Notes:
For a special customised version a Y-No. will be created. A special version 2470Yxxx is manufactured according to a drawing or application description and could differ from the technical standard specification.