Overview
The Allen-Bradley 873P-D18P1-2200-D4 is an industrial-grade ultrasonic proximity sensor designed for reliable object detection in manufacturing and automation environments. This diffuse-mode sensor delivers a 200–2200 mm sensing range with programmable thresholds, making it suitable for a wide variety of distance-sensing applications. The plastic-barrel construction and compact 18 mm diameter design fit standard automation cabinets and sensor mounting rails.
Key Features
- Diffuse (reflective) ultrasonic sensing mode for robust object detection without reflectors
- Programmable PNP discrete output (NO/NC) for direct controller integration
- 2200 mm maximum sensing distance with adjustable sensitivity via pushbutton
- 18 mm plastic threaded barrel for compact panel or surface mounting
- Micro QD 4-pin DC connector for quick-disconnect field installation
- Low-power operation (100 mA at nominal supply voltage)
Technical Specifications
Verify all specifications against your application requirements before ordering.
- Sensing Range: 200–2200 mm
- Detection Mode: Diffuse (reflective)
- Output Type: 1 PNP Discrete (NO/NC selectable via pushbutton)
- Supply Voltage: 0–15 VDC
- Current Draw: 100 mA
- Barrel Diameter: 18 mm
- Connector: Micro Quick Disconnect (QD), 4-pin DC
- Housing Material: Plastic, threaded
- Operating Frequency: 1 Hz
- Operating Temperature: −20°C to +60°C
- Standards: CCC, C-TICK
- Weight: 0.15 lbs
Typical Applications
- Presence detection on conveyor systems and material handling
- Level sensing for bins, tanks, or hoppers
- Pneumatic and hydraulic cylinder position feedback
- Object counting and motion detection in production lines
- Robotic pick-and-place end-of-arm positioning
- Packaging and labeling machine control logic
Compatibility & Replacements
Compatible With
- Allen-Bradley CompactLogix L18, L19, L20 controllers
- Allen-Bradley ControlLogix 5570, 5580 systems
- Siemens S7-1200, S7-1500 PLCs with standard analog/discrete input modules
- Omron CJ2M, NJ-series controllers
- Mitsubishi FX3G, FX5U programmable controllers
- Industrial control systems with 0–15 VDC input capacity
- Standard 24 VDC industrial automation power supplies (with step-down or regulated module)
Replaces / Drop-In Replacement For
The 873P-D18P1-2200-D4 is a direct replacement for earlier revisions of the same model number. For alternative sensing ranges, Allen-Bradley offers:
- 873P-D18P1-900-D4 (900 mm range variant)
- 873P-D18P1-600-D4 (600 mm range variant)
Verify connector type and voltage compatibility with your existing installation before substituting.
Works With
- Studio 5000 (Logix Designer) for programming and I/O mapping
- Allen-Bradley CompactLogix and ControlLogix analog/digital input modules
- PROFINET and EtherNet/IP industrial networks (via gateway or network interface)
- Standard PLC ladder logic and structured text programming
- CANopen and Modbus RTU supervisory systems (with protocol bridge)
