{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"QD75MH4","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"QD75MH4","canonicalUrl":"https://aoctrl.com/mitsubishi/QD75MH4","factsUrl":"https://aoctrl.com/api/mcp/products/QD75MH4","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi Q Series, QD75MH4, 4-axis positioning module, SSCNET interface, 1.77ms operation cycle, 600 data/axis, 24 VDC forced stop input, 2 kg shipping weight.","salesMarkdown":"## What It Is – 4-Axis Positioning Over SSCNET Mitsubishi QD75MH4 is a Q Series positioning module controlling up to four axes via SSCNET high-speed serial link, driving MR-J3-B servo amplifiers. Operation cycle clocks at 1.77 ms — half the time of the predecessor model — so positioning updates come twice as fast on the same backplane. Each axis stores 600 positioning data points, enough for complex point-to-point sequences without external lookup. The forced stop input is a single 24 VDC point per module, and the external signal interface handles upper/lower stroke limits, proximity dog, stop, speed/position switching, plus a manual pulse generator with A/B phase at 5 VDC. ## How It Stacks Against the FX5-40SSC-S The FX5-40SSC-S is the closest functional peer — also 4 axes, same 1.777 ms cycle, 600 data/axis, and similar linear/circular interpolation. But the QD75MH4 mounts on a Q Series rack with SSCNET; the FX5-40SSC-S uses the FX5 backplane and a different protocol. They are not drop-in interchangeable — different form factor, different bus. If you’re replacing an existing Q Series positioner, the QD75MH4 is a direct fit; the FX5 part requires a platform change.","metaTitle":"Mitsubishi QD75MH4 Positioning Module 4 Axes SSCNET, 1.77ms","metaDescription":"Mitsubishi QD75MH4 4-axis positioning module with SSCNET interface, 1.77ms operation cycle (half of previous), 600 data/axis. Mature lifecycle, sourced to order. RFQ for availabili","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLC I/O & Expansion Modules"],"specifications":{"title":"QD75MH4","description":"QD75MH4 MODULE 4 AXES SSCNET 111 POSITION CONTROL MODULE QN 600 DATA AXIS PTP 32 I O POINTS 24 VDC 0 16 KG","Operation cycle":"1.77ms (1/2 compared with existing model)","Shipping Weight":"2 kg","lifecycle_stage":"mature","Forced stop input":"24VDC level, 1 point/module","External signal I/F":"Upper stroke limit Lower stroke limit Proximity dog Stop Speed/position switching signal, 24VDC level, 5 points/axis Manual pulse generator I/F: A-phase/B-phase, 5VDC level, 1 point/module","Number of control axes":"Up to 4 axes","Number of positioning data":"600 data/axis","Connectable servo amplifier":"Mitsubishi General-Purpose AC servo (MR-J3-B)","Connection with servo amplifier":"High-speed serial communication system (SSCNET?)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$27.00","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/e3feae7648d02309fca5bf1086ea5357.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the operation cycle of QD75MH4?","answer":"The operation cycle is 1.77 ms, which is half that of the previous model, providing faster positioning update rates."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/QD75MH4","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/QD75MH4 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}