For more details please check datasheet.Product Overview
The DSP40 Series is designed for applications requiring long sensing distances and superior environmental protection. Its compact 40 × 40 mm square housing, combined with a rotatable sensing head and four-sided LED indication, allows flexible installation and easy status monitoring from any direction.
Designed for harsh industrial environments, the sensor offers excellent resistance to vibration, dust, moisture, and electrical noise, making it ideal for continuous operation in automated production systems.
Key Features
- 40 × 40 mm compact square housing
- Long sensing distance up to 40 mm
- Non-flush installation
- PNP 4-wire DC output
- Complementary switching output
- Rotatable sensing head
- 360° LED indication (4 LEDs)
- M12 connector for quick installation
- Reverse polarity protection
- Pulsing short-circuit protection
- High switching reliability
- Excellent vibration resistance
- Quick mounting bracket
- IP68 / IP69K environmental protection
- Heavy-duty industrial construction
Product Highlights
- Long 40 mm sensing range for reliable object detection
- 360° LED visibility for easy monitoring from any angle
- Rotatable sensing head for flexible installation
- IP68/IP69K protection suitable for washdown and dusty environments
- M12 quick connector minimizes installation time
- Robust engineering plastic housing with industrial durability
Available Model
| Model | Output | Sensing Distance | Connection |
|---|---|---|---|
| DSP40-40DP-C | PNP NO | 40 mm | M12 Connector |
Note: Only M12 connector version is available.
Model Code Structure
Example: DSP40-40DP-C
| Code | Description |
|---|---|
| D | Denki Seigyo |
| SP | Square Proximity Sensor |
| 40 | 40 × 40 mm Housing |
| 40 | 40 mm Sensing Distance |
| D | DC Supply |
| P | PNP Output |
| C | M12 Connector Type |
Technical Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Sensor Type | Inductive Proximity Sensor |
| Housing | Square |
| Housing Size | 40 × 40 mm |
| Installation | Non-flush |
| Rated Sensing Distance | 40 mm |
| Assured Operating Distance | 0–32.4 mm |
| Actual Operating Distance | 36–44 mm |
| Standard Target | Iron (Fe) |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 10–30 VDC |
| Output Type | PNP |
| Output Configuration | 4-Wire DC |
| Switching Function | Complementary |
| Switching Frequency | 180 Hz |
| Operating Current | 200 mA Max |
| No-load Current | ≤20 mA |
| Voltage Drop | ≤2 V |
| Leakage Current | ≤0.5 mA |
| Response Delay | 80 ms |
| Reverse Polarity Protection | Yes |
| Short-Circuit Protection | Pulsing |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Housing Material | PA Engineering Plastic |
| Sensing Face | PA |
| Housing Size | 40 × 40 mm |
| Length | 67 mm |
| Connector | M12 × 1 |
| Number of Pins | 4 |
| Mounting | Quick Mount Bracket |
| Weight | Approx. 155 g |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | –25°C to +85°C |
| Storage Temperature | –40°C to +85°C |
| Protection Rating | IP68 / IP69K |
| Shock Resistance | Industrial Grade |
| Vibration Resistance | High |
LED Indicators
| Indicator | Function |
|---|---|
| Green LED | Power ON |
| Yellow LED | Output Status |
| LED Visibility | 360° (4 LEDs) |
Reduction Factors
| Material | Correction Factor |
|---|---|
| Iron | 1.00 |
| Stainless Steel | 0.74 |
| Brass | 0.39 |
| Aluminum | 0.31 |
| Copper | 0.30 |
Typical Applications
The DSP40 Series is widely used in:
- Conveyor Systems
- Material Handling Equipment
- Warehouse Automation
- Steel Industry
- Packaging Machines
- Robotics
- Machine Tools
- Automotive Manufacturing
- Logistics Systems
- Heavy Industrial Automation
Why Choose Denki Seigyo DSP40 Series?
- Long sensing distance for large metal targets
- Industrial-grade IP68/IP69K protection
- Quick and easy installation with M12 connector
- Rotatable sensing head for flexible mounting
- High resistance to vibration and shock
- Reliable operation in harsh industrial environments
- Maintenance-free, long service life
Frequently Asked Questions
What is the sensing distance of the DSP40-40DP-C?
The DSP40-40DP-C provides a 40 mm rated sensing distance, making it suitable for long-range metal object detection.
What output type does the DSP40-40DP-C use?
It features a PNP 4-wire DC complementary output for reliable integration with PLCs and industrial controllers.
Is the sensing head adjustable?
Yes. The sensor includes a rotatable sensing head, allowing flexible installation and easier alignment.
What protection rating does the sensor offer?
The DSP40 Series is rated IP68/IP69K, providing excellent protection against water, dust, and harsh industrial environments.
Which industries commonly use the DSP40 Series?
It is widely used in conveyors, packaging machinery, steel plants, logistics, robotics, warehouse automation, automotive manufacturing, and machine tool applications.
Product Summary
The Denki Seigyo DSP40-40DP-C Square Inductive Proximity Sensor combines a 40 mm long sensing distance, rotatable sensing head, 360° LED indication, and IP68/IP69K environmental protection in a compact 40 × 40 mm housing. Designed for reliable non-contact metal detection, it delivers outstanding durability and performance in demanding industrial automation and material handling applications.
