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Speed Sensor GEL 2476

ti2476_e-1_03
General
  • Application approved speed sensor based on magnetic measurement principle
  • Maintenance- and wear-free operation due to non-contact measurement of rotation
  • Suitable for ferromagnetic target wheels
  • Safe detection of slow rotation from 0 Hz without pulse loss and for high-speed rotation up to 25 kHz
  • Two channels shifted by 90° provide the direction of rotation
  • Robust and compact stainless steel housing suitable for harsh application
  • Constant duty output signals
  • Customized cable fittings
Features
  • Modul target wheel 1.00 to 3.50
  • Measuring range 0 Hz to 25 kHz
  • Temperature range -40 to +120°C
  • rotection class IP 68
  • Type testing according to EN 50155
Advantages
  • Current output signals unsusceptible to electromagnetic disturbances
  • Cable break monitoring by current output or voltage output with standstill voltage
  • Maintenance-free due to significant measuring distance (air gap up to 3 mm)
  • 45° mounting position possible
Fields of application
  • Rail vehicles
    - Traction control
    - Anti-slip
    - Anti-skid
  • Automation
    - Measurement of speed and positions at gears,motors and roller
Technical data
Signal pattern D- H- S- E- V
Electrical Data
Supply voltage VS reverse battery protected 10 to 30 V DC
Current consumption per channel IS (no load) ≤ 30 mA
Output signal (short circuit-proof) Square-wave signals
Output signal level high(1) ≥VS - 1.8 V ≥VS - 1.0 V
Output signal level low(1) ≤ 1.5 V ≤ 1.0 V
Output current per channel ≤ 20 mA
Input frequency at target wheel 0 to 25 kHz
Output frequency 0 to 25 kHz
Duty cycle (depends on measuring scale and air gap) 50% ± 5%
Phase shift typ. 90° - - typ. 90°
Slew rate (2 m cable) ≥10 V / μs
Electromagnetic compatibility Rail vehicles (EN 50121-3-2) Industrial applications (EN 61000-6-1 to 4)
Isolation strength 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 / 3.50
Permissiple air gap (for module m)(2) 0.2 to 3.0 mm
Width of target whhel ≥10 mm (smaller ones upon 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 of sensor Stainless steel
Weight of sensor (2 m cable) 650 g
Technical data
Signal pattern X- DL VI DL HL
Electrical Data
Supply voltage VS reverse battery protected
10 to 30 V DC 10 to 20 V DC 10 to 30 V DC
Current consumption per channel IS (no load) ≤ 30 mA < 12 mA
Output signal (short circuit-proof) Square-wave signals
Output signal level high(1) ≥VS - 1.0 V ≥14 mA ≥VS - 1.8 V
Output signal level low(1) ≤ 1.0 V typ. 7 mA ≤ 1.5 V
Output current per channel ≤ 20 mA ≤ 16 mA ≤ 10 mA
Input frequency at target wheel 0 to 25 kHz 0.004 to 20 kHz
Output frequency 0 to 25 kHz 0.004 to 20 kHz
Duty cycle (depends on measuring scale and air gap) 50% ± 5% 50% ± 10%
Phase shift typ. 90°
Slew rate (2 m cable) ≥10 V / μs ≥6 V / μs; RB = 560 Ω ≥4 V / μs
Electromagnetic compatibility Rail vehicles (EN 50121-3-2) Industrial applications (EN 61000-6-1 to 4)
Isolation strength 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 / 3.50
Permissiple air gap (for module m)(2) 0.2 to 3.0 mm
Width of target whhel ≥10 mm (smaller ones upon 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 of sensor Stainless steel
Weight of sensor (2 m cable) 650 g
Technical data
Signal pattern DM VM EM
Electrical Data
Supply voltage VS reverse battery protected 10 to 20 V DC
Current consumption per channel IS (no load) < 12 mA
Output signal (short circuit-proof) Square-wave signals
Output signal level high(1) ≥VS - 1.8 V
Output signal level low(1) ≤ 1.5 V (2)
Output current per channel ≤ 10 mA
Input frequency at target wheel 0.001 to 8kHz
Output frequency 0.001 to 8kHz
Duty cycle (depends on measuring scale and air gap) 50% ± 10%
Phase shift typ. 90° -
Slew rate (2 m cable) ≥4 V / μs
Electromagnetic compatibility Rail vehicles (EN 50121-3-2) Industrial applications (EN 61000-6-1 to 4)
Isolation strength 500 V AC (EN 60439–1)
Mechanical Data
Module m of target wheel 2.0
Permissiple air gap (for module m)(3) 0.2 to 3.0 mm
Width of target whhel ≥10 mm (smaller ones upon 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 +85 °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 of sensor Stainless steel
Weight of sensor (2 m cable) 650 g
Technical data
ti2476_e-5_03 ti2476_e-5_07 ti2476_e-5_11 ti2476_e-5_14
ti2476_e-5_04 ti2476_e-5_09 ti2476_e-5_12
Explanation (1)
x-
xI
xL
xM
1, 2
VS
Signal level
ti2476_e-6_03 ti2476_e-6_07 ti2476_e-6_10
ti2476_e-6_04 ti2476_e-6_11
When using the current output, the resistor to be connec-
ted must not exceed a specific value:
RB,max = (VS- 4 V) / Imax
with VS = 10 to 20 V DC and Imax = 16 mA
Example for VS = 15 V:
RB,max = 11 V / 16 mA = 690 Ω
Electrical connection, Dimensions
Electrical connection
Signal D- H- S- E- V- X- DI VI DL HL DM VM EM
Channel 1 ye ye ye ye ye ye bl bl ye ye wh bl wh
Channel 2 wh wh wh wh wh gn gn wh wh gn wh
Channel 1 bk bk bk
Channel 2 br br br
GND (0 V) bl gr bl gr bl bl bl bl bl gr bl gr bk vi gn bk
+VS (10 to 30 V DC) rd pi rd pi rd rd rd rd rd pi rd pi
+VS (10 to 20 V DC) rd ye rd rd or or rd
Cable / Screen 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1 1 / 1
bk = black, bl =blue, br = brown, gn = green, gr = grey, or = orange, pi = pink, rd = red, vi = violet, ye = yellow, wh = white
ti2476_e-7_03
Assembly drawing
ti2476_e-8_03 Please observe the EMC-reference into the operating instruction!
Permissible air gap (for module m)
D- H- S- E- V- X- DI VI DL HL DM VM EM
m = 1.0 0.2 to 1.4 mm 0.2 to 0.9 mm
m = 1.5 0.2 to 1.8 mm 0.2 to 1.5 mm
m = 2.0 0.2 to 2.2 mm 0.2 to 2.0 mm 0.2 to 2.2 mm
m = 2.5 0.2 to 2.8 mm 0.2 to 2.2 mm
m = 3.5 0.2 to 3.0 mm 0.2 to 2.8 mm
Type code
Type code GEL 2476 ti2476_e-9_03

Notes: For a special customized version a Y-No. will be created. A special version 2476Yxxx is manufactured according to a drawing or application description and could differ from the technical standard specification.

Example for customized cable connections
Encoder end ti2476_e-10_03 Cable end ti2476_e-10_06