CP-2FK(b)J Conductive Plastic Angle Sensor: Complete Technical Guide
CP-2FK(b)J Conductive Plastic Angle Sensor
Professional-grade rotary position sensor for industrial automation applications
Product Overview
The CP-2FK(b)J is a high-precision conductive plastic angle sensor designed for industrial automation and control systems. Manufactured by Midori, this contact rotary type sensor offers exceptional accuracy and reliability for position sensing applications in various industrial environments.
Key Features: Conductive plastic technology, 340Ā° effective electrical travel, Ā±1% independent linearity, servo mount installation, and ball bearing construction for smooth operation.
Product Images
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Front View
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Side View
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Top View
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Connection Details
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Mounting Interface
Product Demonstration Video
Demonstration of CP-2FK(b)J installation and operation
Technical Specifications
| Parameter | Specification | Details |
|---|---|---|
| Model Series | CP-2FK Series | Conductive Plastic Angle Sensor |
| Effective Electrical Travel | 340Ā° | Wide measurement range |
| Independent Linearity | Ā±1% | High precision measurement |
| Bearing Type | Ball Bearing (b) | Stainless steel construction |
| Mounting Type | Servo Mount | Standard industrial installation |
| Output Type | Ratio Output | Voltage divider configuration |
| Mechanical Angle | 360Ā° | Full rotation capability |
| Diameter | 22.3mm (7/8") | Compact design |
| Operating Life | 10 million cycles minimum | Long-term reliability |
| Resistance Value | 10KĪ© (standard) | Common industrial rating |
Functional Description
Working Principle
The CP-2FK(b)J operates on conductive plastic potentiometer technology. As the shaft rotates, a wiper contact moves across a conductive plastic element, creating a variable resistance output proportional to the angular position. The ball bearing construction ensures smooth rotation and minimal friction.
Key Applications
- Industrial Robotics: Joint position sensing in robotic arms
- Process Control: Valve position monitoring in chemical plants
- Automation Systems: Position feedback in automated machinery
- Medical Equipment: Precise angle measurement in medical devices
- Aerospace: Control surface position sensing
Installation Features
The servo mount design allows for easy integration with standard industrial servo systems. The compact 22.3mm diameter makes it suitable for space-constrained applications while maintaining robust performance.
Frequently Asked Questions (FAQ)
The "(b)" suffix indicates ball bearing construction (stainless steel), while "(m)" indicates metal sleeve bearing. The ball bearing version offers smoother operation and longer life for high-cycle applications.
While specific temperature ratings may vary, conductive plastic sensors typically operate in the range of -40Ā°C to +85Ā°C, making them suitable for most industrial environments.
Yes, the stainless steel ball bearing construction and robust design make it suitable for industrial environments with moderate vibration and contamination. However, for extremely harsh conditions, additional protection may be required.
The CP-2FK(b)J is rated for a minimum of 10 million cycles, making it suitable for long-term industrial applications with frequent position changes.
The sensor provides a ratio output that can be connected to analog input modules on most PLC systems. The 10KĪ© resistance value is compatible with standard industrial interfaces.
Trust Metrics and Industry Recognition
Industry Standards and Certifications
- Manufacturer: Midori Precision Instruments (established industry leader)
- Technology: Conductive plastic potentiometer - proven technology with decades of industrial use
- Quality Standards: Manufactured under ISO quality management systems
- Documentation: Comprehensive datasheets and technical documentation available
- Global Availability: Distributed through authorized industrial automation suppliers worldwide
External References and Technical Resources
For detailed technical specifications and application notes, refer to:
- Official Midori datasheets for CP-2FK Series
- Industrial automation component catalogs
- PLC integration guides from major automation manufacturers
- Position sensor application handbooks
Comparison with Alternative Technologies
| Technology | CP-2FK(b)J (Conductive Plastic) | Optical Encoders | Magnetic Sensors |
|---|---|---|---|
| Accuracy | Ā±1% (Good) | Ā±0.1% (Excellent) | Ā±0.5% (Very Good) |
| Cost | Low to Medium | High | Medium to High |
| Environmental Resistance | Good | Poor (dust sensitive) | Excellent |
| Interface Complexity | Simple (analog) | Complex (digital) | Medium |
| Best For | Cost-effective position sensing | High-precision applications | Harsh environments |
Maintenance and Troubleshooting
Regular Maintenance
The CP-2FK(b)J requires minimal maintenance due to its sealed construction. However, periodic checks should include:
- Visual inspection for physical damage
- Verification of electrical connections
- Check for smooth rotation without binding
- Measurement of output signal consistency
Common Issues and Solutions
- Noisy Output: Check for loose connections or contaminated wiper contacts
- Dead Spots: May indicate worn conductive track - replace sensor
- Stiff Rotation: Check for bearing contamination or mechanical obstruction
- Inconsistent Readings: Verify power supply stability and grounding
