Lanbao PR18S-DM3 DC M18 Retro-Reflective Sensor
Lanbao PR18S-DM3 Series is an M18 cylindrical retro-reflective photoelectric sensor for DC industrial automation systems. It provides 3m adjustable sensing distance with a reflector reference, with NPN or PNP output and NO, NC, or NO+NC logic depending on the selected part number.
This listing covers PR18S-DM3 DC variants, including fixed 2m PVC cable versions and E2 M12 connector versions. The series uses an infrared 880nm light source, PBT housing, IP67 protection, and 10-30V DC supply for compact reflector-based object detection.
For related Lanbao photoelectric sensors, compare the Lanbao PR18S-DM3 AC 2-Wire Series, Lanbao PR18-DM3 AC 2-Wire Series, and Lanbao PR30-DM5 DC Series. For an M18 diffuse DC option, see the Lanbao PR18S-BC DC Series.
Technical Specifications
| Brand | Lanbao |
|---|---|
| Series | PR18S-DM3 Series |
| Sensor Type | M18 cylindrical retro-reflective photoelectric sensor |
| Product Series Reference | Cylindrical DC series |
| Detection Type | Retro reflection |
| Rated Sensing Distance | 3m adjustable reference |
| Standard Target | TD-09 reflector reference |
| Light Source | Infrared LED, 880nm |
| Dimensions | M18 x 53.5mm and M18 x 68mm references, depending on variant structure |
| Output Type | NPN or PNP, depending on selected variant |
| Output Logic | Normally open, normally closed, or NO+NC, depending on selected part number |
| Power Supply | 10-30V DC |
| Target Type | Opaque object interrupting reflector beam path |
| Repeat Accuracy | <5% reference |
| Load Current Reference | <=200mA |
| Residual Voltage Reference | <=2.5V |
| Consumption Current Reference | <=25mA |
| Circuit Protection | Short-circuit, overload, and reverse-polarity protection reference |
| Response Time | <8.2ms |
| Output Indicator | Yellow LED |
| Ambient Temperature | -15C to +55C |
| Ambient Humidity | 35-85%RH, non-condensing |
| Voltage Withstand | 1000V AC 50/60Hz for 60s reference |
| Insulation Resistance | >=50MOhm at 500V DC reference |
| Vibration Resistance | 10-50Hz, 0.5mm reference |
| Protection Rating | IP67 |
| Housing Material | PBT |
| Connection Options | 2m PVC cable or M12 connector, depending on selected variant |
| Available Store SKUs | PR18S-DM3DNO, PR18S-DM3DNC, PR18S-DM3DNR, PR18S-DM3DPR, plus matching E2 M12 connector versions |
Integration Notes & Hardware Guidance
- Power selection: This is a DC photoelectric sensor series, so confirm the controller input and wiring are compatible with 10-30V DC operation.
- Reflector setup: Retro-reflective detection requires correct sensor-to-reflector alignment; use a suitable reflector such as the TD-09 reference when designing the installation.
- Output selection: Match NPN or PNP wiring to the input type of your PLC, controller, counter, or I/O module before ordering.
- Signal logic: Choose DNO normally-open, DNC normally-closed, or DNR NO+NC variants for NPN, and DPR NO+NC variants for PNP.
- Connection selection: Choose fixed cable versions for simple wiring or E2 M12 connector versions when detachable wiring and easier sensor replacement are preferred.
Packing List
| Item | Qty | Notes |
|---|---|---|
| Lanbao PR18S-DM3 photoelectric sensor | 1 | Selected output type, output logic, and cable or E2 connector variant |
| Integrated cable or M12 connector body | 1 | Connection type depends on selected variant |
| Product label and packaging | 1 | Packaging may vary by shipment batch |
| Documentation reference | 1 | Digital or printed documentation may vary by shipment batch |
FAQ
What detection mode does the PR18S-DM3 Series use?
It uses retro-reflective detection, so the sensor works with a reflector and detects objects when the reflected beam is interrupted.
What sensing distance does this series support?
The official rated sensing distance reference is 3m adjustable with a TD-09 reflector reference.
How do I choose between NPN and PNP variants?
Select NPN or PNP according to the input type required by your PLC, controller, counter, or I/O module.
How do I choose between cable and E2 versions?
Cable versions use a fixed 2m PVC cable, while E2 versions use an M12 connector for detachable wiring and easier sensor replacement.
Is a reflector required?
Yes. Retro-reflective sensing requires a reflector aligned with the sensor; verify reflector selection and mounting before installation.

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