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Q173CPUN Mitsubishi MELSEC-Q Series Motion CPU
Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original Q173CPUN (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | Mitsubishi MELSEC-Q Series – CPU |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
Can I still buy the Q173CPUN now that it is discontinued?
Yes. Mitsubishi Electric (Factory Automation) has discontinued the Q173CPUN, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.
When can Q173CPUN be shipped?
Q173CPUN is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up Q173CPUN in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for Q173CPUN and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for Q173CPUN, subject to availability and destination.
The Mitsubishi Electric Q173CPUN is a motion CPU in the MELSEC-Q Series. Maximum number of control axes: 32 axes (up to 16 axes/line × 2), SSCNET connection. Mitsubishi Electric has discontinued it (2018/09 Discontinued); PartnerPLC sources discontinued Mitsubishi parts on the surplus market for maintenance of existing machines. Specifications and manuals below are Mitsubishi Electric's own data.
Specifications
Product
| Series | MELSEC-Q Series |
| Category | Motion CPU |
| Type | Motion controller |
| Subtype | SSCNET |
| Sales status | 2018/09 Discontinued (Mitsubishi Electric) |
| Outline | Maximum number of control axes: 32 axes (up to 16 axes/line × 2), SSCNET connection |
Control specifications
| Number of control axes: SV13/SV22/SV43 | 32 axes (16 axes/line) |
| Operation cycle (default): SV13 | 0.88 ms/1 to 8 axes 1.77 ms/9 to 16 axes 3.55 ms/17 to 32 axes |
| Operation cycle (default): SV22/SV43 | 0.88 ms/1 to 4 axes 1.77 ms/5 to 12 axes 3.55 ms/13 to 24 axes 7.11 ms/25 to 32 axes |
| Interpolation function: SV13/SV22/SV43 | Linear interpolation (up to 4 axes), 2-axis circular interpolation, helical interpolation (3 axes) |
| Control method: SV13/SV22 | Positioning control, speed control, speed-position switching control, fixed-pitch feed, constant speed control, position follow-up control, speed switching control, high-speed oscillation control, synchronous control (SV22) |
| Control method: SV43 | Positioning control, constant speed positioning, high-speed oscillation control |
| Acceleration/deceleration processing | Automatic trapezoidal acceleration/deceleration, S-curve acceleration/deceleration |
| Compensation function | Backlash compensation, electronic gear |
| Programming language: SV13/SV22 | Motion SFC, dedicated instruction, Mechanical support language (SV22) |
| Programming language: SV43 | EIA language (G-code) |
| Servo program (dedicated instruction) capacity: SV13/SV22 | 14 k steps |
| Servo program (dedicated instruction) capacity: SV43 | 248 k bytes |
| Number of positioning points: SV13/SV22 | 3200 points (positioning data can be set indirectly) |
| Number of positioning points: SV43 | Approx. 10600 points (positioning data can be designated indirectly) |
| Programming tool | IBM PC/AT |
| PERIPHERAL I/F | USB/RS-232/SSCNET |
| Home position return function | Proximity dog method (2 types), count method (3 types), data set method (2 types), dog cradle method, stopper method (2 types), limit switch combined method |
| JOG operation function | Provided |
| Manual pulse generator operation function | Possible to connect 3 modules |
| Synchronous encoder operation function | Possible to connect 12 modules (SV22 use) |
| M-code function | M-code output function provided, M-code completion wait function provided (SV13/SV22) |
| Limit switch output function | Number of output points 32 points Watch data: Motion control data/word device |
| Absolute position system | • Made compatible by setting battery to servo amplifier. (Possible to select the absolute data method or incremental method for each axis) • Incremental method only when using vector inverters (SV13/SV22/SV43) |
| Number of Motion related modules | Q172LX: 4 modules usable (SV13/SV22/SV43), Q172EX: 6 modules usable *1 Q173PX: 4 modules usable *2 |
Module specifications
| Number of control axes: SV13/SV22/SV43 | Up to 32 axes |
| Operation cycle (default): SV13 | 0.88 ms/1 to 8 axes 1.77 ms/9 to 16 axes 3.55 ms/17 to 32 axes |
| Operation cycle (default): SV22/SV43 | 0.88 ms/1 to 4 axes 1.77 ms/5 to 12 axes 3.55 ms/13 to 24 axes 7.11 ms/25 to 32 axes |
| Servo amplifier connection method | SSCNET |
| PERIPHERAL I/F | USB/RS-232/SSCNET |
| Manual pulse generator operation function | Possible to connect 3 modules of manual pulse generator |
| Synchronous encoder operation function | Possible to connect 12 modules *3 (SV22 use) |
| Number of SSCNET I/F | 5CH |
| Controllable modules: Q172LX: SV13/SV22/SV43 | Up to 4 modules per CPU |
| Controllable modules: Q172EX | Up to 6 modules per CPU (SV22 use) |
| Controllable modules: Q173PX | Up to 4 modules per CPU (incremental synchronous encoder use in SV22) Up to 1 module per CPU (only manual pulse generator use) |
| Controllable modules: QX_/QY_/QH_/QX_Y_ | Total: up to 256 points per CPU |
| Controllable modules: Q64AD/Q68ADV/Q68ADI/Q62DA/Q64DA/Q68DAV/Q68DAI | Total: up to 256 points per CPU |
| Controllable modules: QI60 | Up to 1 module per CPU (SV13, SV22 use) |
| Number of stages of extension base | Up to 7 stages |
| 5 V DC internal current consumption [A] | 1.25 |
| Mass [kg] | 0.23 |
| Exterior dimensions [mm] | 104.6 (H) × 27.4 (W) × 114.3 (D) |
Downloads & documentation
Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.
Data sheets & manuals
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