| Attribute | Value |
|---|---|
| Description | U12 Series Ultrasonic Sensors |
| Detection Range | 20-120mm |
| Output | RS485 |
| Communication Protocol | Modbus-rtu |
| Blind zone | 0-20mm |
| Repeatability | ±0.15% F.S. |
| Response time | 18ms |
| Initialization Time | < 500ms |
| Model | U12-D120R4T-R00A |
| Detection range | 20-120mm |
| Blind zone | 0-20mm |
| Resolution | 0.1mm |
| Repeatability | ±0.15%F.S. |
| Accuracy | ±1%(built-in temperature drift compensation) |
| Response time | 18ms |
| Initialization time | < 500ms |
| Supply voltage | 10-30V DC, reverse-polarity protection |
| Red LED indicator | No object detected: Lights up, Teaching-in when no object detected: Flashes |
| Green LED indicator | Object detected: Lights up, Teaching-in when object detected: Flashes |
| Overcurrent protection | 200mA, Red LED and Green LED flashing simultaneously |
| Load impedance | I/ < 300 Ohm, U/ > 1k Ohm |
| No-load current | ≤30mA |
| Input type | Teach-in and synchronization |
| Material | Copper nickel-plated, plastic fittings, glass epoxy resin |
| Enclosure rating | IP67 |
| Connection type | 4pin, M12 connector |
| Ambient temperature | -25℃ ~+70℃(248~343K) |
| Storage temperature | -40℃ ~+85℃(233~358K) |
| Weight | 16g |
| Output type | 1 analog voltage output 0-10V |