DPR-1620-NPN-NC Mounting and Wiring Instructions | Safety Light Curtain Installation Guide
DPR-1620-NPN-NC
1. Dimension & Optical Structure
The DPR-1620-NPN-NC combines a compact mechanical design with a multi-beam infrared detection structure.
The sensor configuration includes:
- 16 optical beams
- 20mm optical axis pitch
- 10mm resolution
- 300mm protection height
- 368mm total height
Dimension Drawing
Mechanical Dimensions
| Dimension Parameter | Value (mm) |
|---|---|
| Protection Height | 300 |
| Total Height | 368 |
| Cross Section | 29 × 30 |
| Optical Axis Quantity | 16 |
| Optical Axis Pitch | 20 |
Protection Height Calculation
The protection height is calculated according to the optical axis quantity and pitch:
For DPR-1620-NPN-NC:
DPR-1620-NPN-NC — Safety Light Curtain Area Sensor
16 beams · 300 mm protection height · 20 mm pitch · 10 mm resolution
NPN NC IP65 SIL 2 0.5ms response
2. Installation Methods
The DPR-1620-NPN-NC supports flexible installation methods to adapt to different industrial machine structures.
Installation options include:
- Top and bottom mounting
- Side mounting
- Cantilever installation
2.1 Installation Method 1 — Top and Bottom Mounting (L1)
The mounting brackets are installed at the top and bottom positions of the sensor.
Suitable for:
- Standard machine guarding
- Vertical protective areas
- Equipment access protection
2.2 Installation Method 2 — Side Mounting (L2)
The mounting brackets are installed on the side of the sensor body.
Suitable for:
- Limited installation space
- Machine side protection
- Flexible mounting positions
2.3 Installation Method 3 — Cantilever Installation (L3)
The cantilever mounting method provides additional installation flexibility for special machine structures.
Suitable for:
- Customized machine layouts
- Extended protection areas
- Flexible sensor positioning
2.4 Emitter and Receiver Alignment
Correct alignment between emitter and receiver is essential for stable operation.
Installation requirements:
- Emitter and receiver should face each other
- Optical axis direction should be aligned
- Infrared beams should transmit correctly
Correct alignment ensures:
- Stable infrared beam communication
- Reliable detection performance
- Accurate protective field monitoring
3. Wiring Guide
The DPR-1620-NPN-NC uses separate emitter and receiver units connected through M12 cables.
3.1 Emitter Wiring — M12 3-Pin
| Pin / Wire | Function |
|---|---|
| Brown | DC24V Power Supply |
| Blue | 0V Power Supply |
| Black | PC SYNC |
3.2 Receiver Wiring — M12 4-Pin
| Pin / Wire | Function |
|---|---|
| Brown | DC24V Power Supply |
| Blue | 0V Power Supply |
| White | NPN Output Signal |
| Black | PC SYNC |
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