Speed Sensor GEL 2470
- 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
- 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
- Low lifecycle costs for end customer due to high reliability
- Place-saving sensor in a compact design
- 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 |
Explanation
1, 2 | |
VS |
Output signal level
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
Assembly drawing,
Air gap table
Assembly drawing
Drilling plan
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
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
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.