Contrast sensors
The KRT 20 is a specific model within the product line of Contrast sensors. Contrast sensors are categorized under the broader segment of Switching sensors.
Here is a detailed breakdown of the technical specifications and features of the KRT 20 contrast sensor:
Technical Data for KRT 20
| Parameter | Specification |
|---|---|
| Product Type | Contrast Sensor (KRT 20) |
| Dimensions (W x H x D) | 30 mm x 80 mm x 53 mm |
| Supply Voltage (UB) | 12 V DC to 30 V DC |
| Operating Range | Available in three specific ranges: 12 mm ± 1 mm, 20 mm ± 2 mm, or 50 mm ± 5 mm |
| Switching Frequency | 16,000 Hz to 50,000 Hz |
| Light Source | LED, RGB |
| Light Spot Shape | Available as Rectangular or Round |
| Light Spot Orientation | Vertical |
| Light Beam Exit | On face |
| Housing Material | Metal |
| Degree of Protection | IP 67 or IP 69K |
| Connection Type | Connector, M12 |
Functions and Operational Controls
The KRT 20 features functions that enhance its contrast detection capabilities, particularly in high-speed applications:
- Operational Controls: It uses a Membrane keyboard or configuration Via service interface.
- Time Function: The KRT 20 supports a Time function.
- Synchronization Input: It includes a Synchronization input feature.
The KRT 20 stands out among its peer contrast sensors (KRT 18B, KRT 3C, KRT 55, KRT 21) due to its extremely high switching frequency range of 16,000 Hz to 50,000 Hz.