Q173DSXY Mitsubishi MELSEC-Q Series Motion CPU

MPN: Q173DSXY · 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 Q173DSXY be shipped?

Q173DSXY 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 Q173DSXY 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 Q173DSXY 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 Q173DSXY, subject to availability and destination.

The Mitsubishi Electric Q173DSXY is a motion CPU in the MELSEC-Q Series. Safety signal module Input 20 points (2 lines), Output 12 points (2 lines), RIO cable (Q173DSXYCBL01M) included. 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	Safety observation
Sales status	2029/09 To be end of order (Mitsubishi Electric)
Outline	Safety signal module Input 20 points (2 lines), Output 12 points (2 lines), RIO cable (Q173DSXYCBL01M) included

Module specifications

Input signals: Number of input points	32 points × 2 lines (PLC CPU control 32 points + Motion CPU control 32 points, safety input 20 points × 2 lines, feedback inputs for outputs 12 points × 2 lines)
Input signals: Input isolation method	Photocoupler isolation
Input signals: Rated input voltage	24 V DC (+10 %/-10 %), Negative Common Type
Input signals: Maximum input current	Approx. 4 mA
Input signals: Input resistance	Approx. 8.2 kΩ
Input signals: Input ON voltage/current	20 V DC or more/3 mA or more
Input signals: Input OFF voltage/current	5 V DC or less/1.7 mA or less
Input signals: Input response time	PLC CPU control I/O: 10 ms (digital filter’s default value) Motion CPU control I/O: 15 ms (CR filter)
Input signals: Input common method	32 points/common (separate commons for the PLC CPU control I/O and the Motion CPU control I/O)
Input signals: Input operation indicator LED	32 points (indication for PLC CPU control)
Output signals: Number of output points	12 points × 2 lines (PLC CPU control 12 points + Motion CPU control 12 points)
Output signals: Output isolation method	Photocoupler isolation
Output signals: Rated output voltage	24 V DC (+10 %/-10 %), source type
Output signals: Maximum load current	(0.1 A × 8 points, 0.2 A × 4 points) × 2 lines, common current: each connector 1.6 A or less
Output signals: Maximum inrush current	0.7 A 10 ms or less (1.4 A, 10 ms or less for 0.2 A output pin)
Output signals: Response time	1 ms or less
Output signals: Output common method	12 points/common (separate commons for the PLC CPU control I/O and the Motion CPU control I/O)
Output signals: Output operation indicator LED	Shared with inputs
Safety specifications *1: Functional safety	STO, SS1, SS2, SOS, SLS, SBC, SSM (IEC61800-5-2: 2016) and safety I/Os
Safety specifications *1: Safety performance	EN ISO 13849-1:2015 (Cat 3, PL d)， EN 61800-5-2/IEC 61508 Parts 1-7:1998/2000， EN IEC 62061:2021 (maximum SIL 2)
Safety specifications *1: Mean time to dangerous failure (MTTFd)	169 years or more (theoretical value)
Safety specifications *1: Diagnostic converge (DCavq)	Low
Safety specifications *1: Probability of dangerous failure per Hour (PFH)	2.17E-8 (1/h)
Number of occupied I/O points	32 points
Communication with PLC CPU	Parallel bus communication (via main base unit)
Communication with Motion CPU	Serial communication (RS-485), RIO cable
Number of modules	Up to 3 modules (max. number of input points: 60 points × 2 lines; max. number of output points: 36 points × 2 lines)
5 V DC internal current consumption [A]	0.20 A (TYP. all points ON)
Mass [kg]	0.15
Exterior dimensions [mm]	98.0 (H) × 27.4 (W) × 90.0 (D)
Note	1. Install Q173DSXY to the main base unit. Do not install to the extension base unit.