Yaskawa Electric Corporation YPHT31600-1E Inverter Board

The Yaskawa Electric YPHT31600-1E inverter board (ETC740111-S8504) is a CPU/control motherboard for Yaskawa VARISPEED frequency inverter systems, providing inverter logic processing, drive communication, and parameter management essential for coordinating motion and control tasks. As an internal, drive-mounted PCB, it functions as the main inverter motherboard and control processor within industrial drive setups, supporting precise motion control and stable signal processing across CNC systems and broader industrial automation applications. Designed for repair, retrofit, and replacement, its typical deployments include CNC machining centers, conveyor systems, robotic equipment, pumps, and fans where high-performance drive control is required. Alternate identifier ETC740111-S8504 and related boards in the ETC740110/ETC740111/ETC740112 family map to common replacements such as YPHT31600-1D, ensuring compatibility with Yaskawa VARISPEED and other industrial inverter systems.