Omron E3S-DBP21T Photoelectric Sensor
Omron E3S-DBP21T is a PNP retro-reflective photoelectric sensor with an MSR function for transparent-object sensing across a range of up to 3.5 m with the E39-R8 reflector. Its 624 nm red LED establishes the optical path, while the PNP output transfers the switching state to compatible PLC inputs and machine-control circuitry. The sensor operates from 10 to 30 VDC, supports load current up to 100 mA, and uses an M12 connector for detachable wiring. Response time is specified at 0.5 ms, while orange light and green stability indicators provide visual status. Within the E3S Series, the E3S-DBP21T provides the long-range PNP option. Explore transparent object PNP sensors across Omron Sensors.
| Brand | Omron |
| Product | Photoelectric Sensors |
| Model Number | E3S-DBP21T |
Omron E3S-DBP21T Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Sensing Method | Retroreflective (with MSR function) |
| Sensing Distance | 0 to 3.5 m |
| Light Source | Red LED (624 nm) |
| Power Supply Voltage | 10 to 30 VDC |
| Output Configuration | PNP |
| Connection Method | Connector M12 |
| Control Output | Load power supply voltage: 30 VDC max., Load current: 100 mA max. (Residual voltage: 2 V max.) |
| Response Time | Operate or reset: 0.5 ms max. |
| Indicators | Light indicator (orange) and stability indicator (green) |
| Ambient Illumination | (Receiver side) Incandescent lamp: 3,000 lx max., Sunlight: 10,000 lx max. |
| Ambient Temperature Range | Operating: −25 to 60°C, Storage: −40 to 70°C (with no icing or condensation) |
| Ambient Humidity Range | Operating: 35% to 85%, Storage: 35% to 95% (with no condensation) |
| Insulation Resistance | 20 MΩ min. (at 500 VDC) |
| Dielectric Strength | 1,000 VAC at 50/60 Hz for 1 minute |
| Vibration Resistance | Destruction: 10 to 55 Hz with double amplitude of 1.5 mm for 2 hours each in X, Y, and Z directions |
| Shock Resistance | Destruction: 500 m/s2 3 times each in X, Y, and Z directions |
| Protection Circuits | Reversed power supply polarity protection, output short-circuit protection, reversed output polarity protection, and mutual interference prevention |
| Degree Of Protection | IEC IP67, DIN 40050-9 IP69K |
| Material | Polybutylene terephthalate (PBT)/ABS, Methacrylic resin (PMMA), Polyester elastomer, Polyvinyl chloride (PVC) |
| Weight | Approx. 60 g/approx. 40 g |
The Omron E3S-DBP21T Photoelectric Sensor uses retro-reflective sensing with an MSR function for transparent-object sensing across a range of 0 to 3.5 m with the E39-R8 reflector. Its 624 nm red LED establishes the optical path, while the PNP output transfers the switching state to compatible PLC inputs and machine-control circuitry. The sensor operates from 10 to 30 VDC and uses an M12 connector for detachable electrical connection. Current consumption is specified at 30 mA maximum at a 24 VDC supply, while load current is rated at 100 mA maximum with load supply voltage up to 30 VDC. Operate or reset time is specified at 0.5 ms maximum. Orange light and green stability indicators provide visual status during setup and operation.
For an Omron PNP transparent object photoelectric sensor requiring MSR and a working range up to 3.5 m, the relevant model is the E3S-DBP21T. Ambient-light resistance reaches 3,000 lx under incandescent light and 10,000 lx under sunlight. Operating temperature extends from -25 to 60°C, while storage ranges from -40 to 70°C without icing or condensation. Reverse supply polarity, output short-circuit, reversed output polarity, and mutual-interference prevention are included. PBT/ABS, PMMA, polyester elastomer, and PVC are among the listed materials. Its specification also suits searches for an Omron 3.5 m transparent sensor and Omron PNP MSR sensor. For a shorter PNP transparent-object configuration covering 0 to 0.5 m, see E3S-DBP22.
