Omron CJ1W-CTS21-E Counter Module – 2-Channel High-Speed PLC Unit for Precision Control
The Omron CJ1W-CTS21-E Counter Module is a compact and high-performance 2-channel counter input unit designed for precise measurement and control in advanced industrial automation systems. It provides fast and accurate counting of pulse signals from sensors, encoders, and switches, making it ideal for applications requiring speed, position, and length detection. With robust construction and reliable performance, this module delivers exceptional accuracy and efficiency in process control systems.
High-Speed 2-Channel Counter Input for Industrial Applications
The CJ1W-CTS21-E features two high-speed counting channels capable of handling input frequencies up to 500 kHz per channel. Each channel can operate independently or in combination, supporting counting modes such as up/down, pulse/direction, and phase-difference. This versatility allows engineers to configure it according to specific machine control requirements.
Its advanced signal processing technology ensures precise counting and event synchronization, even in applications where speed and timing are critical. The CJ1W-CTS21-E is perfect for applications such as packaging machinery, material feeders, rotary tables, and conveyor systems that rely on fast and accurate counting control.
Reliable and Stable Performance
Built with Omron’s trusted automation technology, the CJ1W-CTS21-E Counter Module guarantees reliable performance even in harsh industrial conditions. It minimizes electrical noise and interference, providing stable readings in dynamic production environments. The module’s high response rate allows it to capture rapid signal changes, ensuring that no pulse is missed during high-speed operations.
Its internal data retention and built-in diagnostics make it a dependable solution for continuous operation. Whether in high-speed counting or precision motion control, the CJ1W-CTS21-E delivers accuracy and consistency every time.
Compact and Durable Design
The compact design of the CJ1W-CTS21-E makes it ideal for installations where space is limited. Despite its small footprint, it provides full high-speed counting functionality and robust mechanical construction. The durable module casing ensures long-term use in demanding factory conditions, protecting internal electronics from dust, vibration, and temperature fluctuations.
Its robust construction guarantees dependable performance, reducing downtime and maintenance costs. Engineers can install the CJ1W-CTS21-E alongside other CJ-series modules for a modular and scalable PLC architecture, supporting both small and large automation systems.
Seamless PLC Compatibility and System Integration
TheOmron CJ1W-CTS21-E Counter Module is fully PLC compatible with the CJ1 and CJ2 series, ensuring effortless system integration. Communication between the module and CPU is executed at high speed through the PLC backplane, enabling real-time data exchange and process updates. Configuration is straightforward via Omron’s CX-Programmer or Sysmac Studio software, where users can set counter parameters, input modes, and event triggers easily.
This simple integration allows quick system deployment, smooth coordination between sensors and actuators, and faster commissioning in industrial setups.
Applications Across Industrial Automation
The CJ1W-CTS21-E Counter Module supports a wide range of automation and process control applications, including:
- Rotational speed and position measurement in motors and conveyors.
- Length and quantity counting for packaging and labeling machines.
- Flow rate and cycle monitoring in continuous manufacturing processes.
- Event control in automated assembly and test systems.
- Factory automation requiring precise and high-speed pulse input.
Its flexibility and accuracy make it suitable for both discrete manufacturing and continuous process industries, ensuring optimized performance and reliable control.
Easy Wiring and Installation
The CJ1W-CTS21-E is designed with easy wiring terminals and clear labeling to simplify setup and reduce installation time. The LED indicators on the front panel provide real-time feedback for input status and counter operation, allowing technicians to monitor functionality and troubleshoot quickly.
Its modular structure allows for easy replacement and system expansion without disrupting other modules, making it cost-effective and maintenance-friendly for industrial users.
In Stock and Available for Fast Delivery
EMACONN offers the CJ1W-CTS21-E in stock with official distributor pricing and fast global delivery. Each module undergoes rigorous factory testing to ensure it meets Omron’s quality standards for precision and durability. EMACONN supplies genuine Omron automation products worldwide, ensuring authentic parts, warranty coverage, and technical support for every order.
Buy Omron CJ1W-CTS21-E Online – Reliable 2-Channel High-Speed Counter Module
You can buy the Omron CJ1W-CTS21-E Counter Module online from EMACONN. We provide original Omron PLC modules with excellent pricing, fast international shipping, and reliable customer support to meet your automation needs.
Why Choose the Omron CJ1W-CTS21-E Counter Module?
- 2-channel high-speed counter for accurate process measurement.
- Compact design for efficient cabinet installation.
- Reliable performance under tough industrial conditions.
- Seamless PLC integration with Omron CJ-series controllers.
- In stock with fast delivery and expert support from EMACONN.
The Omron CJ1W-CTS21-E Counter Module combines speed, reliability, and compactness in one powerful unit. It is the ideal choice for engineers and integrators looking to implement precision counting and motion control in modern factory environments. With Omron’s trusted engineering and EMACONN’s dependable global supply, it delivers unmatched quality and performance in every automation project.
Advanced Synchronization and Precision Timing Functions
The CJ1W-CTS21-E extends its capabilities beyond simple pulse counting by offering advanced synchronization features for applications requiring precise timing control. Its high-resolution counter architecture enables accurate event triggering based on position, speed, or pulse intervals, making it ideal for machinery that relies on coordinated movements. Whether synchronizing cutting blades, aligning product feeds, or timing labeling operations, the module delivers real-time responsiveness essential for smooth and stable machine operation.
Engineers can take advantage of the built-in comparison logic, latch inputs, and adjustable filtering options to fine-tune signal behavior. These features help eliminate false counts caused by vibration or noise and ensure the system reacts only to valid input signals. This level of precision greatly enhances production consistency and reduces error margins in high-speed industrial workflows.
Optimized Architecture for Modern Automation Systems
Designed for flexibility, the CJ1W-CTS21-E integrates seamlessly into complex automation architectures that require both compact sizing and high-performance input processing. Its reliable signal conditioning and high noise immunity make it suitable for electronics-intensive environments, including packaging, motion control, and automated material handling. The module’s stable performance helps maintain product quality and process repeatability across extended production cycles.
Combined with its simple installation, intuitive configuration tools, and long-term durability, the CJ1W-CTS21-E offers a dependable counting solution for engineers seeking to optimize machine performance. Its ability to maintain accuracy at high speeds ensures that even the most demanding applications benefit from reliable and consistent pulse data, making it a valuable component in next-generation industrial automation systems.

