Product Description

The PW501 is a high-efficiency power management module developed specifically for the Yokogawa STARDOM FCN-500 series autonomous controllers. It acts as the primary power interface, converting external AC or DC supply into the stabilized internal DC voltage required by the FCN-500 CPU and I/O backplane. Optimized for next-generation STARDOM hardware, the PW501 delivers high energy density with low heat dissipation, making it well suited for dense control cabinets where thermal margins are limited.

Technical Specifications

Performance Highlights

The PW501 represents a generational improvement over earlier STARDOM power modules, combining higher conversion efficiency with a more compact form factor. Its low-noise power design supports the increased computational performance of the FCN-500 CPU while minimizing electrical interference to sensitive analog I/O channels. In redundant installations, the PW501 supports hot-swap replacement, enabling maintenance without interrupting process control or field communications.

Common Technical Questions

Q: Is the PW501 compatible with legacy FCN or FCJ base units?
A: No. The PW501 is mechanically and electrically exclusive to the FCN-500 platform. Legacy FCN/FCJ systems require NFPW441 or NFPW442/444 series power modules.

Q: Does the PW501 provide local status indication?
A: Yes. A front-panel STATUS LED provides immediate visual indication of normal operation or internal fault conditions.