UDS-C6-R.
AI

The **UDS-C6-R** typically refers to a high-performance, industrial-grade **Ultrasonic Double Sheet Detector**. This sensor is used in automated machinery (like printing presses or metal sheet feeders) to ensure that only one layer of material is being processed at a time.
Below is an explanation of its core electronic parts and functional components.
---
## 1. Core Electronic Components
The device operates on the principle of ultrasonic attenuation. Its electronic architecture is divided into the following sections:
| Component Type | Function | Key Details |
|:---|:---|:---|
| **Ultrasonic Transducers** | Signal conversion | One transmitter (Tx) and one receiver (Rx) that convert electrical energy into high-frequency sound waves. |
| **Microcontroller (MCU)** | Processing Logic | Analyzes the amplitude of the received signal to differentiate between 0, 1, or 2 sheets. |
| **Output Stage** | Signal transmission | Features push-pull outputs (PNP/NPN) to communicate status to a PLC. |
| **Adjustment Interface** | Configuration | Includes "Teach-in" buttons or remote input lines for calibrating material thickness. |
| **Status LEDs** | Visual Feedback | Multicolored LEDs (Green/Yellow/Red) indicating "Run," "Double Sheet," or "Empty." |
---
## 2. Technical Specifications
From an electronics perspective, the UDS-C6-R is designed for high-speed integration:
* **Operating Voltage:** 18 – 30 V DC (Standard industrial power).
* **Switching Frequency:** High speed (approx. 500 Hz to 1 kHz) to keep up with fast-moving assembly lines.
* **Current Consumption:** Typically < 50 mA.
* **Interface:** Usually 4-pin or 5-pin M12 connector for robust electrical connection.
---
## 3. Functional Block Diagram (Logic Flow)
The electronic process follows this sequence:
1. **Pulse Generation:** The MCU triggers the transmitter to emit an ultrasonic pulse (usually around 200–400 kHz).
2. **Attenuation:** The pulse passes through the material.
* **Single Sheet:** Moderate reduction in signal strength.
* **Double Sheet:** Large reduction (air gaps between sheets reflect the sound).
3. **Signal Conversion:** The receiver captures the weakened wave and converts it to a millivolt signal.
4. **Amplification & Analysis:** An internal amplifier boosts the signal, and a comparator compares it against stored "Teach-in" threshold values.
5. **Output Trigger:** If the signal is below the threshold, the "Double Sheet" transistor output is activated.
---
## 4. Connection Wiring (Example)
```yaml
# Standard M12 Pinout for UDS-C6-R
Pin 1: L+ (24V DC)
Pin 2: Output 1 (Double Sheet Detection)
Pin 3: L- (0V / Ground)
Pin 4: Output 2 (Single Sheet / Missing Sheet)
Pin 5: Teach-in Input (Remote calibration)
```
- ⤷
How do I calibrate the UDS-C6-R for a new paper thickness?
- ⤷ What is the maximum material thickness this sensor can detect?
- ⤷ What are the common causes of false 'double sheet' readings?