| Customization: | Available |
|---|---|
| Type: | Magnetic Displacement Sensor |
| Output Signal Type: | Digital Type |
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The ECDS-2001 series eddy current sensors integrate the signal processor and probe into a high-performance eddy current displacement sensor. The probe head is made of polyphenylene sulfide (PPS) engineering plastic through injection molding, which is resistant to high and low temperatures and various chemical corrosions. The probe housing is made of SUS304 stainless steel, and the circuit board is encapsulated with epoxy resin, which is moisture-proof, dust-proof and corrosion-resistant, with a protection level reaching IP67. With multiple signal output options, it has been widely applied in industries such as power, petrochemical, metallurgy, and machinery.
| General | ||
| Function | The speed sensors ECVS-2xx.xx SHx are suitable, in conjunction with | |
| an Aluminium pole wheel (or other conducting, non-magnetic metal) for | ||
| generating two nominally 90° phase shifted square wave signals | ||
| indicating the rotary speeds and the direction of rotation. | ||
| Technical data | ||
| Supply voltage | Nominal 15VDC (8 VDC to 30 VDC), protected against reverse polarity | |
| and transient over voltages | ||
| Signal output | • 2 phase shifted square wave signals, output 1 (S1) and output 2 (S2) | |
| and direction output. | ||
| • Duty cycle 50% ± 25% | ||
| • Phase shift 90° ±40° (on request ± 25°; target specification needed) | ||
| • Push-pull outputs : Imax = ± 30 mA | ||
| o Output voltage HI (for I = Imax): UHI > Usupply - 1.5 V | ||
| o Output voltage LO (for I = Imax): ULO < 1.5 V | ||
| • The outputs are short circuit proof and protected against reverse | ||
| polarity. | ||
| Current consumption | Max. 30 mA (without load) | |
| Frequency range | Up to 20 kHz | |
| Electromagnetic | ||
| compatibility (EMC) | compliant with | EN 50155 |
| Protection class | Sensor head: IP68 | |
| Shock & Vibration | compliant with | EN 61373 Cat.3 |
| Operating temperature | • Sensor head: -40° ... +120°C | |
| • Cable: -40°C to +150 °C for the standard cable type 824L-36622 | ||
| Requirements for pole wheel | Aluminum toothed wheel (other non-magnetic material on request) | |
| Optimal performance with | ||
| • Rectangular gear tooth Module 3 | ||
| • Tooth width ≥ 15 mm | ||
| • Valley deep ≥ 3 mm | ||
| • Side offset < 1 mm | ||
| • Eccentricity < 0.1 mm | ||
| Air gap between sensor housing and | Module 2 | 0.2 … 1 mm |
| pole wheel (depends on the pole wheel | Module >=3 | 0.2 … 1.5 mm |
| shape) | ||
| Insulation | • Housing and electronics galvanically separated (500 V/50 Hz/ 1 min) | |
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