Mitsubishi RE81WH - PLC Network Communication Module

Mitsubishi RE81WH is an advanced PLC Network Communication Module from the MELSEC iQ-R Series, designed to measure and manage energy data efficiently across industrial automation systems. Developed by Mitsubishi Electric, this module offers precise monitoring and communication functions, helping engineers optimize power usage and maintain energy-efficient plant operations. It’s ideal for system integrators, control panel designers, and energy management professionals seeking reliable and scalable automation solutions.

The RE81WH module operates as an energy measurement unit that captures and transmits power data through the iQ-R Series PLC platform. With a compact design of 27.8 mm width, 106 mm height, and 107.1 mm depth, it saves valuable control cabinet space while maintaining superior functionality. Weighing approximately 152 g, it offers an excellent balance of lightweight construction and rugged durability. This Mitsubishi PLC Network Module provides stable performance even in demanding electrical environments, supporting accurate energy monitoring and communication over industrial networks. Built with precision components and advanced circuitry, the RE81WH ensures data accuracy, quick response time, and long-term reliability. It’s designed to integrate seamlessly with other modules in the MELSEC iQ-R Series, allowing engineers to create flexible and expandable automation architectures without compromising performance or stability.

The Mitsubishi RE81WH PLC Network Communication Module is widely used in power monitoring systems, building automation, and factory energy management applications. Maintenance engineers utilize it for tracking energy consumption trends, detecting anomalies, and improving load distribution in production facilities. Automation specialists prefer this model for its compatibility with MELSEC iQ-R PLCs and easy installation using standard DIN rails. Engineering students studying energy automation also find the RE81WH valuable for learning about power measurement and industrial data communication. With its efficient design and proven accuracy, the Mitsubishi RE81WH continues to help industries reduce energy waste and achieve smarter, more sustainable operations.

For detailed specifications, the Mitsubishi RE81WH datasheet offers complete technical information, while the RE81WH manual provides step-by-step setup and wiring guidance for engineers. The RE81WH price may vary depending on supplier and configuration, but it remains one of the most reliable and cost-effective energy monitoring modules in the MELSEC iQ-R Series. With precision engineering, energy optimization capabilities, and Mitsubishi’s long-standing reputation for quality, the RE81WH stands out as a dependable choice for modern industrial automation and energy management projects.