The GEL 2444 MiniCODERs are available in three variants, the GEL 2444-T sensor that generates a square wave output, the GEL 2444-K sensor that generates a sine wave output and the GEL 2444-D that generates square wave output and a rotational speed histogram. The output signals are generated from teeth on a ferro-magnetic tooth-wheel passing the sensing head. This measuring principle has found applications in machine tool spindles (including HSC high-speed-cutting spindles), electric motors, gearboxes and a wide range of other applications.
Due to the contact-free operating principle, applications to over 70,000rpm have been realised and the electronics comply with the “safety integrated” standard for numerical control applications.
Highlights
- Maintenance and wear-free
- Low temperature drift and high signal quality
- Versions T and D available with internal interpolation up to a factor of x 32
- Highest immunity to interference due to fully screened metal housing
- Records the minimum temperature, maximum temperature and rotational speed histogram
- Can be calibrated automatically using the testing and programming unit
- Amplitude control
Applications
- Speed detection in HSC spindles (High-Speed-Cutting)
- Measurement of speed and position of milling and grinding spindles in machine tools for the machining of metal, wood, glass, stone and aluminium
- Angle measurement in radar equipment
- Electronic synchronization of helical spindles in dry-running vaccum pumps
- Measurement of speed in test stands
GEL 2444-T sensor with square wave output
| Technical data | GEL 2444-T |
|---|---|
| Fields of application | Machine tool, general mechanical engineering |
| Module | 0.3 and 0.5 |
| Supply voltage | 5 V DC |
| Output signal | Two square-wave signals offset by 90° and their inverse signals, short-circuit-proof; option: reference pulse, TTL / RS422 |
| Temperature range | -30 °C to +85 °C |
| Protection class | IP 68 |
| Output frequency | 0 ... 500 kHz at TTL |
GEL 2444-K sensor with sine wave output
| Technical data | GEL 2444-K |
|---|---|
| Fields of application | Machine tool, general mechanical engineering |
| Module | 0.3 and 0.5 |
| Supply voltage | 5 V DC |
| Output signal | Two sinusoidal signals offset by 90° and their inverse signals, short-circuit-proof; option: reference pulse, 1 Vpp differential signal |
| Temperature range | -30 °C to +85 °C |
| Protection class | IP 68 |
| Output frequency | 0 … 200 kHz at 1 Vpp |
GEL 2444-D sensor with square wave output and rotational speed histogram
| Technical data | GEL 2444-D |
|---|---|
| Fields of application | Machine tool, general mechanical engineering |
| Module | 0.3 and 0.5 |
| Supply voltage | 5 V DC |
| Output signal | Two square-wave signals offset by 90° and their inverse signals, short-circuit-proof; option: reference pulse, TTL / RS422 (rotational speed histogram) |
| Temperature range | -30 °C to +85 °C |
| Protection class | IP 68 |
| Output frequency | 0 ... 500 kHz at TTL |