Overview
The Omron E3F1-DP12 is a compact M18 photoelectric diffuse sensor designed for cost-effective industrial automation and process control. Operating on 10-30 VDC, this sensor provides reliable object detection across a 300mm sensing range, making it ideal for assembly lines, conveyor systems, and part counting applications where budget and space are constraints.
Key Features
- Compact M18 threaded cylindrical housing for flexible installation
- Diffuse-reflective sensing method with red LED light (624nm wavelength)
- 300mm (11.8 inch) maximum sensing distance
- PNP output configuration with Light-ON/Dark-ON selectable logic
- Pre-wired with 2-meter shielded cable and flying leads for quick integration
- Low-power consumption suitable for dense sensor arrays
Technical Specifications
The sensor operates within a broad voltage range and delivers repeatable detection performance across industrial environments:
- Sensing Method: Diffuse-reflective
- Sensing Distance: 300 mm
- Light Source: Red LED (624 nm wavelength)
- Power Supply: 10–30 VDC (typical 12–24 VDC)
- Output Type: PNP open collector
- Output Current: 100 mA maximum
- Switching Frequency: 1 kHz maximum
- Cable Length: 2 meters with bare-end flying leads
- Housing Material: Plastic (ABS)
- Connector: M18 threaded barrel
Typical Applications
- Assembly line object detection and presence sensing
- Part counting and sorting systems
- Conveyor belt monitoring
- Packaging and palletizing automation
- Test and inspection stations
- Robotic arm end-of-arm tooling (EOAT) feedback
Compatibility & Replacements
Compatible With
- Omron PLCs (CP1E, CP1H, CP1L series)
- Standard industrial 10-30 VDC power supplies
- Rockwell/Allen-Bradley CompactLogix and ControlLogix systems
- Siemens S7-1200 and S7-1500 with appropriate I/O modules
- Generic 24 VDC discrete input modules
- Automation controllers with 3.3–5 VDC logic-level inputs (via pull-up resistor)
Replaces / Drop-In Replacement For
- Omron E3F1-DP12 (same part number across distributors)
- Similar M18 diffuse sensors from competitor brands with matching pinout
Works With
- 24 VDC discrete I/O wiring harnesses and terminal blocks
- Digital input cards for PLC systems
- Standard industrial relay circuits and 24 VDC safety logic
- EtherNet/IP and PROFINET gateways (via I/O coupler modules)








