Omron CJ1W-DCM11-E Data Communication Module – Reliable RS-232C/RS-485 PLC Interface for Industrial Automation
The Omron CJ1W-DCM11-E Data Communication Module is a high-performance serial communication unit designed to enable seamless data transfer between PLC systems and external devices. Supporting both RS-232C and RS-485 interfaces, this module provides flexible connectivity options for industrial automation networks. Engineered for reliability, durability, and compactness, the CJ1W-DCM11-E ensures stable communication in demanding factory environments while maintaining simple configuration and easy integration.
Dual Communication Interfaces – RS-232C and RS-485
The CJ1W-DCM11-E is equipped with dual-mode communication ports, offering RS-232C for point-to-point links and RS-485 for multi-drop networking. This allows the module to connect PLCs to HMIs, barcode readers, sensors, inverters, and other automation equipment efficiently. The RS-485 interface supports up to 32 nodes, ideal for long-distance, noise-resistant industrial data transmission.
By supporting multiple serial protocols and baud rates up to 115.2 kbps, the CJ1W-DCM11-E ensures compatibility across a wide range of automation devices. Its error-checking mechanisms and data buffering guarantee reliable and loss-free data transfer even under high-load communication conditions.
Reliable Data Transfer and Communication Stability
Omron’s advanced communication architecture ensures reliable data transfer between controllers and connected field devices. The CJ1W-DCM11-E minimizes transmission errors through parity checks and framing verification while maintaining low latency for real-time process control. It is ideal for applications requiring constant communication between PLCs, SCADA systems, or distributed sensors.
The module also supports data exchange between multiple Omron PLCs in master/slave configurations, enabling synchronized operations across different sections of an automation line. This feature is essential for scalable and distributed control systems in manufacturing environments.
Compact Design and Robust Construction
The compact design of the CJ1W-DCM11-E allows engineers to save valuable control-panel space without compromising communication performance. Despite its small footprint, the module features robust construction built to withstand mechanical stress, vibration, and temperature variations typical of industrial sites.
Its sturdy connectors ensure secure wiring, and the industrial-grade housing protects internal circuitry from dust and electrical interference, ensuring long-term reliability. Whether deployed in harsh factory conditions or clean automation cabinets, the CJ1W-DCM11-E maintains exceptional performance and stability.
Seamless System Integration and PLC Compatibility
The CJ1W-DCM11-E integrates effortlessly with Omron CJ-series PLCs, connecting directly to the PLC backplane for fast communication. It supports full duplex data exchange and provides easy setup through Omron’s CX-Programmer or Sysmac Studio software. Engineers can configure port parameters, communication modes, and data structures quickly to match their specific control requirements.
This system integration flexibility allows the module to be used in applications such as machine-to-machine networking, data logging, sensor communication, and control system expansion. It enhances the efficiency and responsiveness of industrial networks while maintaining Omron’s standard of quality and reliability.
Applications in Factory and Process Automation
The Omron CJ1W-DCM11-E Data Communication Module plays a critical role in many automation systems, including:
- Industrial communication between PLCs, HMIs, and field sensors.
- Data acquisition from serial instruments such as flowmeters and barcode scanners.
- Factory automation for synchronized multi-device communication.
- Remote monitoring through RS-485 networked controllers.
- OEM automation products requiring flexible serial integration.
Its reliability and wide compatibility make it an ideal choice for both new installations and retrofitted control systems in industries such as packaging, manufacturing, and energy management.
Easy Installation and Maintenance
The CJ1W-DCM11-E features easy installation with screwless terminal connections and LED indicators for communication status, error detection, and power supply. The clear labeling and front-mounted interface simplify wiring and maintenance, reducing commissioning time and improving system diagnostics.
Engineers benefit from modular replacement capability—this plug-and-play design allows the unit to be replaced or added without shutting down the entire PLC system, minimizing downtime and increasing productivity.
In Stock and Ready for Fast Delivery
EMACONN provides the Omron CJ1W-DCM11-E Data Communication Module in stock with official distributor pricing and fast worldwide delivery. Every unit undergoes comprehensive testing to ensure adherence to Omron’s international standards for quality and performance. EMACONN delivers genuine Omron automation modules with warranty and global logistics support.
Buy Omron CJ1W-DCM11-E Online – Reliable Serial Communication for PLC Systems
You can buy the Omron CJ1W-DCM11-E Data Communication Module online from EMACONN. We supply authentic Omron PLC communication products for professional automation systems, backed by expert technical assistance and worldwide shipping.
Why Choose the Omron CJ1W-DCM11-E Data Communication Module?
- RS-232C / RS-485 dual communication interface for flexible connections.
- Reliable data transfer with high noise immunity.
- Compact and durable design suited for industrial environments.
- Seamless PLC compatibility with Omron CJ-series controllers.
- In stock with fast global delivery from EMACONN.
The Omron CJ1W-DCM11-E Data Communication Module is the ideal solution for engineers and automation professionals who need stable, secure, and high-speed serial communication in modern PLC systems. Combining robust hardware, versatile connectivity, and Omron’s proven reliability, it enhances industrial network efficiency and ensures dependable data flow across automation processes.
Enhanced Serial Networking for Modern Industrial Systems
The CJ1W-DCM11-E is engineered to support advanced industrial networking needs where stable, long-distance communication is essential. Its support for both RS-232C and RS-485 protocols allows system designers to build flexible serial networks that can incorporate multiple PLCs, sensors, drives, and data-collection devices within the same architecture. This versatility makes the module suitable for factories transitioning from legacy systems to more modern, integrated control platforms.
With its robust signal conditioning and high noise immunity, the module ensures uninterrupted data flow even in electrically noisy environments common in heavy manufacturing, metal processing, or high-speed packaging lines. This reliability reduces downtime and supports continuous data exchange for mission-critical applications.
Ideal for Scalable, Distributed Automation
As automation systems grow in complexity, the CJ1W-DCM11-E provides a reliable backbone for distributed control. Its multi-drop RS-485 capability allows a single PLC to communicate with dozens of devices across extended distances, making it perfect for large plants, multi-zone production lines, and remote monitoring applications. Engineers can easily expand or modify communication structures without redesigning the entire system.
Furthermore, the module’s compatibility with common industrial communication protocols enables easy integration into existing equipment without additional converters or network hardware. Its long-term durability, ease of installation, and high-speed communication performance make it a valuable component for any industrial automation project requiring dependable serial data transfer.

