Overview
The Turck BI20U-CA40-AP6X2-H1141 is an inductive proximity sensor engineered for industrial automation and motion control. This compact 40mm rectangular unit delivers 20mm sensing distance with PNP normally-open output, making it suitable for flush-mounted applications across manufacturing, packaging, and assembly lines.
Key Features
- 20mm sensing distance — Reliable non-contact object detection
- PNP output — Normally open, 200mA rated current
- 10-30VDC supply — Flexible voltage range for industrial environments
- M12 male connector — Eurofast 4-pin, standard fieldbus interface
- Compact design — 65 × 40 × 40mm, variable orientation (5 directions)
- Dual LEDs — Green power indicator and yellow switching state feedback
Technical Specifications
- Output Type: PNP, normally open
- Sensing Distance: 20mm
- Switching Frequency: 0.25 kHz
- Output Current: 200mA max
- Housing Material: Metal, GD-AlSi 12 (aluminum silicon)
- Active Area Material: Plastic, PA6-GF30
- Protection Class: IP67
- Ambient Temperature: 0–70°C
- Vibration Resistance: 55Hz (1mm)
- Shock Resistance: 30g (11ms)
- Connector: M12 × 1, male, 4-pin Eurofast
- Dimensions: 65 × 40 × 40mm
- Mounting: Flush-mount with variable face orientation
Typical Applications
The BI20U-CA40 is ideal for presence/absence detection in:
- Conveyor and sortation systems
- Assembly line position verification
- Packaging machinery
- Pick-and-place automation
- Parts counting and staging
- Pneumatic and hydraulic system feedback
Compatibility & Replacements
Compatible With
- Industrial PLC and controller inputs supporting PNP sensors
- Turck TBEN-S1 gateway and IO-Link systems
- M12 connector–ready fieldbus nodes and I/O modules
- Standard 10-30VDC automation power supplies
- EtherCAT and EtherNet/IP networks via Turck gateways
Replaces / Drop-In Replacement For
The BI20U-CA40-AP6X2-H1141 is a direct replacement for equivalent Turck inductive sensors in the BI20U-CA40 series with PNP output and M12 male connector. Verify exact model compatibility and bracket type (BS2.0 or BS2.1 mounting) with your original equipment documentation before ordering.
Works With
- M12 4-pin Eurofast connectors and M12 fieldbus protocols
- Turck TBEN remote I/O terminals
- Allen-Bradley CompactLogix, MicroLogix, and ControlLogix PLC inputs
- Siemens S7-1200, S7-1500, and LOGO controllers
- Standard industrial sensor networks (IO-Link optional)
