{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"RD77MS16","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"RD77MS16","canonicalUrl":"https://aoctrl.com/mitsubishi/RD77MS16","factsUrl":"https://aoctrl.com/api/mcp/products/RD77MS16","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi iQ-R Series Motion Controller, RD77MS16, SSCNET?/H-compatible, 16 controlled axes, 600 positioning data points per axis, 2-axis circular / 4-axis linear interpolation, single control unit: pulse/mm/inch/degree.","salesMarkdown":"The Mitsubishi RD77MS16 is an iQ-R Series Motion Controller built for multi-axis servo systems. It communicates over SSCNET?/H, the high-speed motion network, which means it talks to servo drives on a dedicated fiber-optic loop — no shared-bus collisions, deterministic timing down to the sub-millisecond range. That SSCNET?/H compatibility is the first thing to check against your existing drive lineup; if your amps are SSCNET?/H-native, this controller drops right in. It handles 16 controlled axes independently or in coordinated moves, with 600 positioning data points stored per axis. That data set covers point-to-point moves, speed changes, and dwells — enough for a multi-station assembly cell or a gantry with several tool heads. The interpolation function supports 2-axis circular arcs and linear moves across 2, 3, or 4 axes, so contouring a path (say, a pick-and-place head tracing a rounded corner) is handled onboard without the PLC breaking it into segments. The single control unit accepts positioning in pulses, millimeters, inches, or degrees — you pick the unit that matches your machine's native coordinate system and the parameter set adapts. No scaling math in the PLC scan. The RD77MS16 mounts in the iQ-R backplane alongside the power supply, CPU, and I/O modules. It occupies one slot in the base rack or extension rack — no separate power feed needed beyond the backplane bus. The SSCNET?/H fiber cables run from the module's optical connectors to each servo drive; keep the fiber bends above the minimum radius specified in the manual to avoid signal loss.","metaTitle":"Mitsubishi RD77MS16 iQ-R Motion Controller, 16-Axis, SSCNET?","metaDescription":"Mitsubishi RD77MS16 iQ-R Series Motion Controller with SSCNET?/H compatibility. 16 controlled axes, 600 positioning data per axis, 2-axis circular interpolation. Active production,","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["Servo Drives"],"specifications":{"Manufacturer":"Mitsubishi","Specifications":"SSCNET?/H-compatible","Shipping Weight":"2 Kg","lifecycle_stage":"current","Estimated Lead Time":"Usually ships in 1-10 working days","Single Control Unit":"pulse/mm/inch/degree","Interpolation function":"2-Axis circular interpolation / 2-axis/3-axis/4-axis linear","Positioning data number":"600","Number of controlled axes":"16","Number of controlled axes(Axis)":"16","Positioning data number(Data/Axis)":"600"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1,622.06 – $2,657.00","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://aoctrl.com/api/mcp/products/RD77MS16/alternatives.json"},"ai":{"faq":[{"question":"Will the RD77MS16 drop into a panel specified around the FX2N-20GM?","answer":"No — these are different platforms. The RD77MS16 is an iQ-R Series rack-mount module communicating over SSCNET?/H. The FX2N-20GM is a standalone positioning unit for the FX2N/FX3U PLC family, with a different form factor, different network (open-collector pulse train), and different programming environment. A panel wired for an FX2N-20GM would need a complete re-spin of the control architecture to use the RD77MS16."},{"question":"What are the key specifications of the RD77MS16?","answer":"It is an iQ-R Series Motion Controller with SSCNET?/H compatibility, controlling up to 16 axes with 600 positioning data points per axis. It supports 2-axis circular interpolation and 2/3/4-axis linear interpolation, and the control unit can be set to pulse, mm, inch, or degree."},{"question":"How do I source the RD77MS16?","answer":"It is an active-production part sourced to order against an RFQ. Submit a request with your quantity and target delivery window."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/RD77MS16","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/mitsubishi/RD77MS16 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-09-02T08:15:54.622Z","lastPublished":"2026-09-02T08:15:54.622Z","indexable":true}}