ROTARY ENCODER E6B2-CWZ6C

ROTARY ENCODER E6B2-CWZ6C – Industrial Incremental Shaft Encoder

The ROTARY ENCODER E6B2-CWZ6C (manufactured by Omron Automation) is a compact, high-precision incremental rotary encoder designed for motion control, position sensing, and speed feedback in automated industrial systems. Housed in a standard $40\text{ mm}$ outer diameter enclosure, this optical encoder converts rotary shaft motion into digital quadrature output signals.

Featuring an NPN open-collector output circuit, the ROTARY ENCODER E6B2-CWZ6C operates across a wide power supply voltage range ( $5\text{ to }24\text{ VDC}$ ), making it compatible with PLCs, microcontrollers, CNC controllers, and digital counters. As shown on the product housing, the unit incorporates a $6\text{ mm}$ flatted solid shaft, a pre-wired shielded cable, and clear terminal color coding for quick installation.

Key Features of the ROTARY ENCODER E6B2-CWZ6C

Quadrature 3-Channel Output (A, B, Z): Provides phase A and phase B signals offset by $90^\circ$ for position and direction sensing, alongside a Phase Z index pulse for zero-position origin calibration.
Wide Operating Voltage ( $5\text{--}24\text{ VDC}$ ): Offers seamless integration with $5\text{V}$ logic levels (Arduino/TTL) as well as $12\text{V}$ or $24\text{V}$ industrial PLC input modules.
NPN Open-Collector Output: Capable of switching up to $30\text{ VDC}$ load voltages at $35\text{ mA}$ maximum sink current, protected by built-in output short-circuit protection.
High-Speed Frequency Response: Handles maximum response frequencies up to $100\text{ kHz}$ at speeds up to $6,000\text{ RPM}$ .
Rugged Mechanical Construction: Built with an aluminum body and stainless steel shaft ( $6\text{ mm}$ ) capable of withstanding heavy shaft loads ( $30\text{ N}$ radial, $20\text{ N}$ thrust).

Common Applications and Industrial Usage

The versatility and high measurement accuracy of the ROTARY ENCODER E6B2-CWZ6C make it suitable for a wide range of industrial automation and feedback applications:

Conveyor & Material Handling: Tracks belt speed, material distance, and item positioning for automated packaging lines.
CNC & Machine Tools: Provides real-time rotary position feedback for stepper and servo motors driving lead screws and turntables.
Robotics & Motion Control: Measures precise angular displacement and rotational speed in robotic arms and automated guided vehicles (AGVs).
Length Measurement Systems: Measures continuous lengths of paper, textile, wire, or film in printing and extrusion processes.

Technical Specifications

The electrical, mechanical, and operational parameters for the ROTARY ENCODER E6B2-CWZ6C are summarized below:

Parameter Specification	Technical Details & Operational Values
Component Classification	Optical Incremental Rotary Encoder
Primary Target Keyword	ROTARY ENCODER E6B2-CWZ6C
Manufacturer / Series	Omron Automation / E6B2 Series
Outer Diameter / Shaft Diameter	$40\text{ mm}$ Body / $6\text{ mm}$ Solid Shaft
Resolution Options (P/R)	$10\text{ to }2,000\text{ Pulses/Revolution}$ (e.g., $1000\text{ P/R}$ )
Supply Voltage ( $V_{CC}$ )	$5\text{ to }24\text{ VDC}\ (\pm 15\%)$
Current Consumption	$80\text{ mA}$ max.
Output Type & Channels	NPN Open-Collector / Phases A, B, Z
Max. Sink Current / Voltage	$35\text{ mA}$ max. / $30\text{ VDC}$ max.
Max. Response Frequency	$100\text{ kHz}$
Max. Permissible Speed	$6,000\text{ RPM}$
Shaft Loading Capacity	Radial: $30\text{ N}$ / Thrust: $20\text{ N}$
Protection & Rating	IP50 (IEC 60529), Power Polarity & Output Short Protection
Operating Temperature	$-10^\circ\text{C to }+70^\circ\text{C}$ (No icing)

Wiring Color Code Guide

Proper wiring is critical to avoid damaging internal transistor outputs:

Brown: $5\text{ to }24\text{ VDC}$ Power Supply ( $+V_{CC}$ )
Blue: $0\text{V}$ (Common / GND)
Black: Phase A Signal Output
White: Phase B Signal Output
Orange: Phase Z Signal Output (Index pulse)
Shield Wire: Ground (Connect to earth/chassis ground to prevent noise interference)

Operating Guidelines and Best Practices

INSTALLATION TIP: Always use a flexible coupling (such as Omron E69-C06B) when connecting the encoder shaft to a motor or driven shaft to prevent mechanical stress from axial or radial misalignment.

Pull-Up Resistors: Since the ROTARY ENCODER E6B2-CWZ6C features an NPN open-collector configuration, external pull-up resistors (typically $1\text{ k}\Omega\text{ to }4.7\text{ k}\Omega$ ) must be connected between the signal lines (A, B, Z) and the logic supply voltage if the controller does not have built-in internal pull-ups.

Noise Reduction: Route encoder signal cables separately from high-voltage AC power lines and motor drive cables to prevent electromagnetic noise corruption.

To review official international sensor standards and IEC manufacturing specifications for optical encoders and industrial transducers, consult the official IEC 60947-5-2 Low-Voltage Switchgear and Controlgear Standardization Directory.

To evaluate real-time regional warehouse stock availability or request commercial quotes for bulk procurement needs, please connect with our sales branch via the Control Qatar Contact Page.

Electronics & Electrical Trading W.L.L

ROTARY ENCODER E6B2-CWZ6C