Q172EX Mitsubishi MELSEC-Q Series Motion CPU

MPN: Q172EX · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original Q172EX (new, used or refurbished, subject to availability). Request a quote below.

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

30-day returns, no restocking fee on unused parts

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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 Q172EX now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the Q172EX, 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 Q172EX be shipped?

Q172EX 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 Q172EX 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 Q172EX 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 Q172EX, subject to availability and destination.

The Mitsubishi Electric Q172EX is a motion CPU in the MELSEC-Q Series. Serial absolute synchronous encoder MR-HENC interface × 2, Tracking input 2 points. 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	Synchronous encoder input
Sales status	2018/09 Discontinued (Mitsubishi Electric)
Outline	Serial absolute synchronous encoder MR-HENC interface × 2, Tracking input 2 points

Module specifications

Serial absolute synchronous encoder input: Number of modules	2 per module
Serial absolute synchronous encoder input: Applicable encoder	MR-HENC
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	Sink/source (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
Memory for data exchange	None
Number of occupied I/O points	32 points (I/O allocation: intelligent function module, 32 points)
5 V DC internal current consumption [A]	0.07
Mass [kg]	0.15
Exterior dimensions [mm]	98.0 (H) × 27.4 (W) × 90.0 (D)
Note	1. Compatible model: Q173CPUN(-T), Q172CPUN(-T), Q173CPU, Q172CPU