Mitsubishi MR-J2M-P8B is a multi-axis servo amplifier interface unit compatible with the SSCNET high-speed serial bus. It is part of the MR-J2M series and functions within a servo control system, which automatically controls mechanical motion according to preset requirements. In such systems, the controlled output—typically mechanical displacement, velocity, or acceleration—is regulated via feedback to precisely track a desired input (e.g., position or angle). The servo system's structure is fundamentally similar to other feedback control systems.