E6C2CWZ5B Incremental Rotary Encoder: Complete Technical Guide and Applications

13 januari 2026

E6C2CWZ5B Incremental Rotary Encoder

Professional-grade industrial encoder for precise motion control and position feedback in PLC automation systems

Product Overview

The E6C2CWZ5B is a high-performance incremental rotary encoder manufactured by OMRON, designed specifically for industrial automation applications. This encoder provides accurate position and speed feedback for PLC systems, making it essential for motion control, robotics, and precision manufacturing equipment.

Product Demonstration Video

Technical Specifications

Parameter	Specification	Details
Model	E6C2-CWZ5B	OMRON E6C2 Series
Type	Incremental Rotary Encoder	Slim design with solid shaft
External Diameter	50 mm	Compact industrial design
Shaft Diameter	6 mm	Standard industrial shaft size
Resolution	1000 P/R (Pulses per Revolution)	Also available in 360P/R and 600P/R variants
Power Supply	12-24 VDC	Standard industrial voltage range
Output Type	PNP Open-collector	Compatible with most PLC inputs
Signal Outputs	A, B, Z phases	Quadrature signals with index pulse
Cable Length	2 meters	Pre-wired model for easy installation
Environmental Rating	Oil-resistant	Suitable for industrial environments
Maximum Speed	6000 RPM	High-speed operation capability
Operating Temperature	-10°C to +70°C	Wide temperature range

Key Features and Benefits

High Precision Measurement

The E6C2CWZ5B provides 1000 pulses per revolution, offering exceptional resolution for precise position and speed control in industrial applications. This high resolution enables accurate feedback for closed-loop control systems.

Robust Industrial Design

With its oil-resistant construction and durable housing, this encoder is built to withstand harsh industrial environments. The solid shaft design ensures reliable operation even in demanding conditions.

Easy Integration

The pre-wired 2-meter cable and PNP output configuration make installation straightforward. The encoder is compatible with most PLC systems including Siemens, Allen-Bradley, Mitsubishi, and OMRON controllers.

Versatile Applications

From simple position sensing to complex motion control systems, the E6C2CWZ5B adapts to various industrial requirements with its flexible configuration options.

Industrial Applications

CNC Machinery

Precise position feedback for spindle control, tool positioning, and axis movement in computer numerical control systems.

Robotics and Automation

Joint position sensing, end-effector orientation, and motion control in industrial robots and automated systems.

Packaging Equipment

Speed synchronization, position control, and length measurement in packaging and labeling machines.

Material Handling

Conveyor speed control, position tracking, and automated guided vehicle navigation systems.

Printing Machinery

Registration control, web tension management, and print cylinder synchronization in printing presses.

Textile Manufacturing

Yarn tension control, fabric length measurement, and loom synchronization in textile production.

Frequently Asked Questions

What is the difference between incremental and absolute encoders?

Incremental encoders like the E6C2CWZ5B provide relative position information by counting pulses from a reference point, while absolute encoders provide unique position values for each shaft position. Incremental encoders are typically simpler and more cost-effective for many applications.

How do I connect the E6C2CWZ5B to my PLC system?

The encoder comes with a pre-wired 2-meter cable. Connect the power supply (12-24 VDC) to the appropriate terminals, and connect the A, B, and Z phase outputs to high-speed counter inputs on your PLC. Always refer to the specific PLC manual for wiring details.

What is the maximum operating speed of this encoder?

The E6C2CWZ5B can operate at speeds up to 6000 RPM, making it suitable for high-speed industrial applications. However, actual maximum speed may depend on your PLC's counter input capabilities.

Can this encoder be used in harsh environments?

Yes, the E6C2CWZ5B features oil-resistant construction and is designed for industrial environments. However, it is not waterproof or explosion-proof, so additional protection may be needed for extreme conditions.

What is the purpose of the Z phase signal?

The Z phase (or index pulse) provides a single pulse per revolution, typically used as a reference point for absolute position determination or for synchronization purposes in multi-axis systems.

How do I calculate position from encoder pulses?

Position = (Pulse Count / Pulses per Revolution) × 360°. For example, with 1000 P/R resolution, each pulse represents 0.36° of rotation. Most PLCs have built-in high-speed counter functions that handle this calculation automatically.

Industry Recognition and Trust Metrics

The E6C2CWZ5B encoder is part of OMRON's renowned E6C2 series, which has been trusted by industrial automation professionals worldwide for over two decades. Key trust indicators include:

OMRON Quality: Manufactured by OMRON, a global leader in industrial automation with ISO 9001 certification
Industry Standard: Widely adopted across multiple industries including automotive, packaging, and robotics
Technical Support: Comprehensive documentation and global technical support network
Compatibility: Proven compatibility with major PLC brands and industrial networks
Longevity: Extended product lifecycle with consistent quality and availability

External References and Citations

OMRON Industrial Automation Official Documentation: The E6C2-CWZ5B is documented as a rotary encoder with incremental output, external diameter of 50mm, PNP open-collector output, and 1000 P/R resolution. Source: OMRON Product Page

Technical Specifications: According to OMRON Europe specifications, the encoder features 12-24 VDC power supply, 6mm shaft diameter, and A, B, Z signal outputs. Source: OMRON Europe Specifications

Industrial Distribution: Southern Controls lists the E6C2-CWZ5B as a slim incremental rotary encoder with oil-resistant construction and 600P/R resolution variant. Source: Southern Controls Product Page

Installation and Maintenance Guidelines

Mounting Considerations

Ensure proper shaft alignment and use appropriate couplings to prevent radial and axial loads that could damage the encoder. The mounting surface should be clean, flat, and free from vibration.

Electrical Connections

Use shielded cables for signal lines to prevent electromagnetic interference. Ground the shield at the PLC end only. Maintain proper cable routing away from power cables and motors.

Maintenance Schedule

Regular inspection every 6 months is recommended for industrial environments. Check for physical damage, cable integrity, and clean the encoder body with a soft, dry cloth. Do not use solvents or compressed air directly on the encoder.

Troubleshooting Common Issues

If experiencing signal issues, check power supply voltage, cable connections, and PLC input configuration. Verify that the encoder is properly grounded and that there is no excessive mechanical load on the shaft.

Conclusion

The OMRON E6C2CWZ5B incremental rotary encoder represents a reliable, high-performance solution for industrial position and speed feedback applications. With its robust construction, precise measurement capabilities, and easy integration with PLC systems, it serves as a critical component in modern industrial automation. Whether you're upgrading existing equipment or designing new automated systems, the E6C2CWZ5B provides the accuracy and reliability needed for successful implementation.

For specific application requirements or technical support, consult with our automation specialists who can provide guidance on encoder selection, installation, and integration with your PLC systems.