Q172DEX Mitsubishi MELSEC-Q Series Motion CPU

MPN: Q172DEX · Brand: Mitsubishi Electric (Factory Automation)

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12-month warranty (new) · 3-month (used/refurbished)

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-Q Series – CPU
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can Q172DEX be shipped?

Q172DEX 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 Q172DEX 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 Q172DEX 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 Q172DEX, subject to availability and destination.

The Mitsubishi Electric Q172DEX is a motion CPU in the MELSEC-Q Series. Serial absolute synchronous encoder Q171ENC-W8 interface × 2, Tracking input 2 points, With A6BAT (built-in). Mitsubishi Electric has announced its discontinuation (2029/09 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-Q Series
Category	Motion CPU
Type	Motion controller
Subtype	Synchronous encoder input
Sales status	2029/09 To be end of order (Mitsubishi Electric)
Outline	Serial absolute synchronous encoder Q171ENC-W8 interface × 2, Tracking input 2 points, With A6BAT (built-in)

Module specifications

Serial absolute synchronous encoder input: Number of modules	2 per module
Serial absolute synchronous encoder input: Applicable encoder	Q171ENC-W8
Serial absolute synchronous encoder input: Position detection method	Absolute (ABS) data method
Serial absolute synchronous encoder input: Transmission method	Serial communications (2.5 Mbps)
Serial absolute synchronous encoder input: Backup battery	A6BAT/MR-BAT
Serial absolute synchronous encoder input: Maximum cable length [m]	50
Tracking enable input: Number of input points	2 points
Tracking enable input: Input method	Positive common/negative common shared type (photocoupler isolation)
Tracking enable input: Rated input voltage/current	12 V DC/2 mA, 24 V DC/4 mA
Tracking enable input: Operating voltage range	10.2 V DC to 26.4 V DC (ripple ratio 5 % or less)
Tracking enable input: ON voltage/current	10 V DC or more/2.0 mA or more
Tracking enable input: OFF voltage/current	1.8 V DC or less/0.18 mA or less
Tracking enable input: Response time	0.4 ms, 0.6 ms, 1 ms (OFF to ON, ON to OFF) *CPU parameter setting, default 0.4 ms
Number of occupied I/O points	32 points (I/O allocation: intelligent function module, 32 points)
5 V DC internal current consumption [A]	0.19
Mass [kg]	0.15
Exterior dimensions [mm]	98.0 (H) × 27.4 (W) × 90.0 (D)
Note	1. Motion modules cannot be installed in CPU slot and I/O slot 0 to 2 of the main base unit. 2. Install Q172DEX to the main base unit. Do not install to the extension base unit. 3. Compatible model: Q173DSCPU, Q172DSCPU, Q173DCPU, Q172DCPU