Overview
The Omron E3S-DS10B4 photoelectric sensor is an ultracompact industrial-grade proximity sensor designed for high-speed object detection and machine automation. With built-in amplifier circuitry and a diffuse-reflective sensing method, it delivers straightforward, cost-effective detection without requiring separate amplifier modules or additional wiring complexity.
Key Features
- Built-in amplifier — eliminates need for external signal conditioning
- Diffuse reflective sensing — detects objects without retroreflectors
- PNP output — direct interfacing to standard automation controllers and PLCs
- Compact form factor — ultracompact, ultrathin design for space-constrained applications
- Light ON/Dark ON capability — flexible mode selection for diverse detection logic
- Cable connection — 36-inch (approximately 0.9m) pre-attached cable for quick integration
Technical Specifications
- Sensing range (max): 100 mm
- Sensing method: Diffuse reflective
- Sensor output: PNP
- Supply voltage: 12–24 V DC (10.8–26.4 V operating range)
- Output current: 100 mA
- Dimensions: 50 mm length × 31.4 mm width × 27.3 mm height
- Cable length: 36 inches (0.9 m)
- Connection method: 2-pin connector
- RoHS compliant: Yes
- Series: E3S (general-purpose photoelectric with built-in amplifier)
Typical Applications
The E3S-DS10B4 is widely deployed in:
- Conveyor line object detection and counting
- Packaging and labeling machines
- Box and bottle detection on sorting systems
- Assembly machine presence verification
- Industrial automation gates and barriers
- Material handling and positioning feedback
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix, MicroLogix, and ControlLogix PLCs
- Siemens S7-1200 and S7-1500 controllers
- Mitsubishi FX and Q-series PLC inputs
- Omron CP and CJ-series controllers
- Standard 12–24 V DC industrial control systems
- Any controller with PNP input capability (discrete I/O modules, I/O cards)
Replaces / Drop-In Replacement For
The E3S-DS10B4 is a direct replacement for earlier Omron E3S diffuse-reflective photoelectric sensors. Verify exact model compatibility with your original part number before ordering.
Works With
- Omron automation ecosystem and CX-Programmer software
- Standard PNP photoelectric sensor input modules (any brand)
- Discrete 24 V DC input cards in analog or digital input blocks
- EtherCAT and PROFIBUS remote I/O terminals
- Hard-wired control relay logic and safety circuits




