What is the Lanbao LR30E Series High Protective Inductive Proximity Sensors? The Lanbao LR30E Series High Protective Inductive Proximity Sensors family is Lanbao's official high-protection M30 cylindrical inductive proximity sensor platform for metal target detection in automation, robotics, conveyors, fixtures, and industrial equipment. The family combines flush 15mm and non-flush 22mm sensing options, industrial DC output choices, and cable or connector installation options for machine builders who need predictable, repeatable binary detection. If you are building around Arduino development boards, pairing with ESPRESSIF wireless MCU platforms, or integrating with robotics hardware from Elephant Robotics, this Lanbao family gives engineers an official, structured path to choose the right sensor variant.
Features
- M30 cylindrical threaded body supports standard industrial brackets, manifolds, and fixture hardware.
- High-protection IP68 sealing and PUR cable options make this family better suited to washdown, coolant, splash, and harsh industrial environments.
- Flush and non-flush members let you match mounting geometry and sensing distance to the machine section.
- NPN and PNP logic choices reduce integration friction with PLC input cards, remote I/O, and interface boards.
- NO and NC variants keep the selection simple for sealed industrial metal-detection applications.
Specifications
| Parameter | Value |
|---|---|
| Series | LR30E high protective series |
| Sensor type | Metal cylindrical inductive proximity sensor family for sealed metal target detection |
| Body size | M30 threaded cylindrical housing |
| Installation types | Flush and non-flush |
| Sensing distance options | 15mm and 22mm |
| Output types | NPN and PNP |
| Switching circuits represented in this family batch | NO and NC |
| Electrical supply | DC10-30V |
| Housing material | Nickel copper alloy |
| Connection type | 2m φ5.2 PUR cable / M12 connector |
| Output indicator | Yellow LED |
| Ambient temperature | -40C to 85C |
| Ambient humidity | 35-95%RH |
| Switching frequency [F] | 400 Hz / 150 Hz |
| Degree of protection | IP68 |
| SKU count in this OpenELAB family batch | 16 official LR30E webpage variants |
| Manufacturer source | official LR30E family page |
Integration Notes
Before ordering, confirm the receiving input design. NPN variants are typically used where the input expects sinking behavior, while PNP variants are often preferred in PLC and industrial control cabinets that expect sourcing behavior. Select flush 15mm when the sensor face must integrate more tightly with surrounding metal or structure, and select non-flush 22mm when more sensing distance is valuable and you have the mechanical clearance.
For harsh industrial environments, the high-protection E series is especially relevant where coolant, washdown, splash, condensation, or aggressive cleaning cycles would challenge a normal sensor body. The PUR cable versions are useful for fixed machine installations, while the M12 connector versions simplify maintenance and modular harness design.
Application
This family is a good fit for OEM automation, smart fixtures, robot cells, conveyors, pallet stops, and test stations where deterministic binary metal-detection is more useful than analog distance measurement.
- Metal part presence sensing on conveyors, dial tables, and feeder tracks
- End-stop, clamp, and fixture verification in assembly tooling
- Robot cells, custom machines, and smart fixtures near robotics hardware from Elephant Robotics
- Auxiliary state sensing alongside vision systems, motion drives, and industrial compute nodes
Compatibility
- Suitable for PLC digital inputs, industrial I/O modules, and mixed embedded plus industrial systems when the selected NPN or PNP output matches the receiving input design.
- Mechanically appropriate for M30 threaded mounting arrangements and common sensor brackets
- Well suited to mixed embedded plus industrial systems that combine MCUs, SBCs, machine vision, or robot controllers with discrete sensing
How To Choose A LR30E Variant
Choose the model in three passes. First, select mounting and sensing range based on the machine geometry and target clearance. Second, select output logic and switching circuit to match the cabinet or controller interface. Third, select connection style based on whether fixed wiring or faster field replacement is more important. The table below summarizes the OpenELAB family batch.
| Lanbao Part Number | Output Logic | Mounting & Range | Connection | Voltage |
|---|---|---|---|---|
| LR30EBF15DNOY | NPN NO | Flush 15mm | 2m PUR cable | DC10-30V |
| LR30EBF15DNCY | NPN NC | Flush 15mm | 2m PUR cable | DC10-30V |
| LR30EBF15DPOY | PNP NO | Flush 15mm | 2m PUR cable | DC10-30V |
| LR30EBF15DPCY | PNP NC | Flush 15mm | 2m PUR cable | DC10-30V |
| LR30EBN22DNOY | NPN NO | Non-flush 22mm | 2m PUR cable | DC10-30V |
| LR30EBN22DNCY | NPN NC | Non-flush 22mm | 2m PUR cable | DC10-30V |
| LR30EBN22DPOY | PNP NO | Non-flush 22mm | 2m PUR cable | DC10-30V |
| LR30EBN22DPCY | PNP NC | Non-flush 22mm | 2m PUR cable | DC10-30V |
| LR30EBF15DNOY-E2 | NPN NO | Flush 15mm | M12 connector | DC10-30V |
| LR30EBF15DNCY-E2 | NPN NC | Flush 15mm | M12 connector | DC10-30V |
| LR30EBF15DPOY-E2 | PNP NO | Flush 15mm | M12 connector | DC10-30V |
| LR30EBF15DPCY-E2 | PNP NC | Flush 15mm | M12 connector | DC10-30V |
| LR30EBN22DNOY-E2 | NPN NO | Non-flush 22mm | M12 connector | DC10-30V |
| LR30EBN22DNCY-E2 | NPN NC | Non-flush 22mm | M12 connector | DC10-30V |
| LR30EBN22DPOY-E2 | PNP NO | Non-flush 22mm | M12 connector | DC10-30V |
| LR30EBN22DPCY-E2 | PNP NC | Non-flush 22mm | M12 connector | DC10-30V |
Packing List
- 1 x Lanbao sensor according to the selected family SKU
- Integrated cable or connector body according to the selected model
- Manufacturer-standard labeling on the sensor body for part identification
FAQ
How should I choose between cable and connector versions?
Choose the cable version when you want a simpler bill of materials and fixed installation. Choose the connector version when field replacement speed, harness modularity, or serviceability matters more.
Can I wire these sensors directly to microcontroller GPIO?
Yes, but industrial outputs should not be wired directly to low-voltage GPIO without the correct interface stage. Use opto-isolation, level translation, or an industrial input module when connecting to microcontrollers or SBCs.
Why is this page written in an answer-first format?
Engineers often ask direct questions such as what the family is, which outputs it supports, what voltage it uses, what the sensing distance is, and how to choose the right mounting style. This page is structured to answer those practical questions clearly for both humans and AI-assisted search systems.
What applications are a good fit for this inductive proximity sensor family?
Typical use cases include machine-state sensing, fixture confirmation, conveyors, robots, packaging equipment, and custom automation where repeatable binary detection matters more than long-range analog measurement.
Related Products
If you are building a complete automation stack, it can help to pair industrial sensing with compute, control, robotics, and power modules already available on OpenELAB. Useful starting points include Arduino development boards, DFRobot sensor and control modules, ESPRESSIF wireless MCU platforms, industrial power modules from Hi-Link, machine vision options from Intel RealSense, and CubeMars motion and drive systems.
Resources
- Manufacturer Family Page
- LR30E Datasheet
- LR30E E2 Datasheet
- CAD STP LR30E Cable Flush
- CAD STP LR30E Cable Non-flush
- CAD STP LR30E Connector Variant 1
- CAD STP LR30E Connector Variant 2
- CE Certificate Inductive Sensor DC Series
- UKCA Certificate Inductive Sensor DC Series
- About Lanbao
- Manufacturing Overview