KS2-C5-R/Q
AI

Based on the technical nomenclature commonly associated with automation and industrial sensors, the **KS2-C5-R/Q** refers to a specific series of **Capacitive Proximity Sensors**. These sensors are used to detect both metallic and non-metallic objects (like liquid, plastic, or wood) without physical contact.
### 1. Key Technical Specifications
The model code typically breaks down into the following electronic characteristics:
| Parameter | Specification |
| :--- | :--- |
| **Sensing Type** | Capacitive (detects changes in dielectric constant) |
| **Sensing Distance** | 5mm (Indicated by the "5" in the model code) |
| **Mounting** | Flush (shielded) or Non-flush (depends on specific sub-variant) |
| **Output Type** | Relay Output ("R") or Transistor (NPN/PNP) |
| **Connection** | Quick Disconnect ("Q") or Pre-wired cable |
| **Operating Voltage** | Usually 10-30V DC or 90-250V AC |
---
### 2. Electronic Components & Working Principle
The internal circuitry of a KS2 series sensor consists of four primary stages:
1. **Oscillator Circuit:** Uses two metallic electrodes to form a capacitor in the feedback loop. When an object approaches, the capacitance increases.
2. **Schmitt Trigger:** Evaluates the amplitude of the oscillation. When it reaches a specific threshold, the trigger changes state.
3. **Output Amplifier:** Buffers the signal to drive the load.
4. **Indicator LED:** Usually a red or yellow LED located at the rear of the housing to indicate the switching state.
---
### 3. Wiring Configuration
Depending on whether it is a DC or AC model, the electronic wiring follows standard industrial color codes:
```yaml
Standard DC 3-Wire (Non-Relay):
Brown: Positive (+V)
Blue: Negative (0V)
Black: Signal Output (NO/NC)
Relay Output (R version):
Power: Brown/Blue
Contact: Black/White (Dry contact relay)
```
---
### 4. Application Use-Cases
* **Level Detection:** Detecting the level of powder or liquid through a non-metallic container wall.
* **Material Sorting:** Identifying the presence of plastic parts on a conveyor belt.
* **Counting:** High-speed counting of items that cannot be detected by inductive (metal-only) sensors.
---
- ⤷
What is the maximum switching frequency for the KS2-C5 series?
- ⤷ Can this sensor detect liquids through glass or plastic walls?
- ⤷ What is the difference between the 'R' relay output and 'Q' connector types in terms of wiring?