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Customized Axle Encoder - GEL 2740

with Cold Movement Detection

  • Customized encoder system for assembly on axle tips
  • Combination of cold movement detection and incremental encoder
  • Magnetic cold movement detection (CMD)
  • Screened magnetic-incremental rotary encoder system
  • For assembly on bogies with outside bearings

Technical information

Properties

  • Resolution of rotary encoder: 80 pulses per revolution (others upon request)
  • Degree of protection (overall system): IP66, IP67
  • Housing material: Aluminum, coated

Advantages

  • Cold movement detection monitors wheel axle movements in de-energized state
  • Energy self-sufficient, no battery required
  • Maintenance-free, durable operation in extremely harsh ambient conditions due to the magnetic measuring system

Downloads

Downloads

Product Document Languages
GEL 2740 Technical information DE EN
Operating instructions* DE/EN

Registration required

Field of application

  • Rail vehicle industry

Dimensional drawings

All dimensions in mm [inch]

Technical data

Customized sensor

 

2740V0

2740V1

2740V2

2740V3

General data

Measuring systems

CMD CMD + incremental encoder up to 3 × 2 channels possible

Incremental encoder

- 2 channels 2 x 2 channels 3 x 2 channels

Output

- Voltage

Phase offset

- 90°

Resolution (number of pulses)

- 80 pulses per revolution

Mechanical data

Degree of protection

IP66, IP67

Max. permissible rotational speed

5000 r.p.m.-1

Shaft material

Stainless steel

Housing material

Aluminum, coated

Weight (without cable, without drive)

2000 g

3667 g

Environmental tests

Working and operating temperature

-40 °C to +100 °C

Storage temperature

-40 °C to +105 °C

Vibration resistance

DIN EN 61373:2011-04 cat. 3

Shock resistance

DIN EN 61373:2011-04 cat. 3

Electromagnetic compatibility

DIN EN 50121-3-2:2017-11

Dielectric strength

500 V AC / 750 V DC (DIN EN 50155:2022-06)

Type test

DIN EN 50155:2022-06

Max. relative air humidity

98 %, condensation possible

Fire protection

Hazard level HL2 (R22)/HL3 (R23),
as per DIN EN 45545-2:2020-10

Max. installation altitude above sea level

≤ 2000 m, as per DIN EN 61010-1:2020-03

Incremental encoder

Electrical data

Supply voltage UB (reverse polarity protected)

10 to 30 V DC

Screen connection

capacitive

Current consumption IB per channel (without load)

≤ 30 mA

Output signal (short-circuit-proof, push-pull power amplifier)

Square-wave signals

Frequency range

0 to 20 kHz

Output signal level high

≥ UB - 2.0 V

Output signal level low

≤ 2.0 V

Frequency range

0 to 25 kHz

Duty cycle

50 % ± 20 %

Mechanical data

Cable data

halogen-free, screened

Cable diameter

8.0 ± 0.3 mm

Cable cross section

12 × 0.34 mm2

Minimum bending radius static

120 mm

Cable protection

Type

Metal protective sleeve

Material

Steel galvanized;
sheath: thermoplastic polyurethane

Outside diameter

21.1 mm

Minimum bending radius static

120 mm

Cold-Movement-Detection

 

General data

Outputs

Out1; Out2; Out3; Out4

Inputs

UB_Mag; UB_Load

Electrical data

Supply voltage UB (reverse polarity protected)

10 to 30 V DC

Screen connection

capacitive

Max. current (in ULoad)

≤ 180 mA

Current consumption (without load)

in reading mode < 35 mA

Minimum charging time TL

70 ms (at one charging voltage of 24 V)

Activation time Ta

≥ 6 ms

Output signal level high

≥ UB - 2.0 V

Output signal level low

≤ 2.0 V

Mechanical data

Cable data

halogen-free, screened

Cable diameter

10.5 ± 0.4 mm

Cable cross section

8 × 0.5 mm2

Minimum bending radius static

120 mm

Cable protection

Type

Metal protective sleeve

Material

Steel galvanized;
sheath: thermoplastic polyurethane

Outside diameter

21.1 mm

Minimum bending radius static

120 mm