What this amplifier is and what it needs
The Mitsubishi MR-J4-700A-RJ is a servo amplifier rated for 7 kW output, fed from a single-phase 200 VAC supply. It runs full closed-loop control, meaning the drive continuously compares commanded position against encoder feedback for zero accumulated error — essential for precision indexing or contouring where an open-loop stepper would drift.
Power and interface constraints
Input is single-phase 200 VAC only — do not feed it three-phase or a different voltage level. The interface is marked GENERAL PURPOSE, so it accepts standard analog or pulse-train commands; no fieldbus module is built in. If you need PROFINET or CC-Link, plan for an option card.