Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-Q Series – CPU / Q02CPU-A Mitsubishi MELSEC-Q Series Programmable controller CPU

Available on request

Q02CPU-A Mitsubishi MELSEC-Q Series Programmable controller CPU

MPN: Q02CPU-A · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original Q02CPU-A (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 Q02CPU-A now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the Q02CPU-A, 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 Q02CPU-A be shipped?

Q02CPU-A 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 Q02CPU-A 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 Q02CPU-A 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 Q02CPU-A, subject to availability and destination.

The Mitsubishi Electric Q02CPU-A is a programmable controller CPU in the MELSEC-Q Series. Number of input points: 4096, number of I/O device points: 8192, program capacity: 28K steps, basic operation processing speed (LD X0): 79 ns, program memory capacity: 144K bytes, external interface: RS-232, with memory card interface for A mode. 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	Programmable controller CPU
Type	A mode
Sales status	2018/09 Discontinued (Mitsubishi Electric)
Outline	Number of input points: 4096, number of I/O device points: 8192, program capacity: 28K steps, basic operation processing speed (LD X0): 79 ns, program memory capacity: 144K bytes, external interface: RS-232, with memory card interface for A mode

Specifications

Control method	Stored program cyclic operation
I/O control mode	Refresh mode
Programming language: Sequence control language	Relay symbol language, logic symbol language, MELSAP-II (SFC)
Processing speed: Sequence instruction	79 ns/step
Constant scan	10...190 ms (setting is available in increments of 10 ms by parameter)
Program capacity: Main sequence program	Maximum 28K steps
Program capacity: Sub sequence program	None
Memory capacity	144K bytes of built-in RAM + 144K bytes of built-in ROM
Number of I/O device points	8192 points (X/Y0...1FFF)
Number of I/O points	4096 points (X/Y0...FFF)
No. of device points: Internal relay (M)	7144 points (M0...999, M2048...8191) Total 8192 points shared by M, L, S
No. of device points: Latch relay (L)	1048 points (L1000...2047) Total 8192 points shared by M, L, S
No. of device points: Link relay (B)	8192 points (B0...1FFF)
No. of device points: Timer (T)	2048 points (Default: 256 points) 100ms timer (T0...199) : Setting time: 0.1...3276.7 s 10ms timer (T200...255) : Setting time: 0.01...327.67 s 100ms retentive timer (none for initial) : Setting time: 0.1...3276.7 s Expansion timer (T256...2047) : Time set by word device (D, W, R) 1ms timer (None for initial) : Setting time: 0.001...32.767 s (The latter half of the retentive timer can be used by Z
No. of device points: Counter (C)	1024 points (Default: 256 points) Normal counter (C0...255) : Setting range 1 to 32767 times Interrupt counter (none for default) : C224...255 possible depending on setting Expansion counter (C256...1023) : Count value set by word device (D, W, R)
No. of device points: Data register (D)	8192 points (D0...8191)
No. of device points: Link register (W)	8192 points (W0...1FFF)
No. of device points: Annunciator (F)	2048 points (F0...2047)
No. of device points: File register (R)	8192 points (R0...8191)
No. of device points: Step relay (S)	0 points (None for default) Total 8192 points shared by M, L, S
No. of device points: Accumulator (A)	2 points (A0, A1)
No. of device points: Index register (V, Z)	14 points (V, V1...6, Z, Z1...6)
No. of device points: Pointer (P)	256 points (P0...255)
No. of device points: Interrupt pointer (I)	32 points (I0...31)
No. of device points: Special relay (M)	256 points (M9000...9255)
No. of device points: Special register (D)	256 points (D9000...9255)
Latch (data retention during power failure) range	L1000...2047 (default) (Possible to setup latch ranges for L, B, T, C, D, W)
RUN/PAUSE contact	One contact can be set up in X0 to X1FFF for each of RUN and PAUSE.
Comment	Maximum 4032 points (Set with the unit of 64 points)
Expanded comment	Maximum 3968 points (Set with the unit of 64 points)
Switch output mode from STOP to RUN	Select "Set the output status at STOP to RUN. (Default)" or "Output after operation execution."
Self-diagnostics function	Watchdog error supervision Error detection in the memory, CPU, I/O, battery, etc.
Operation mode when there is an error	Select STOP or continue
Start-up method at RUN	Initial start (upon power supply on/power restoration after power failure, automatic restart by turning the RUN switch of the CPU or ON.)
Print title registration	YES (128 characters)
Keyword registration	YES
I/O assignment	Possible to register number of occupied I/O points and module model names.
Step operation	Possible to execute or stop sequence program operations.
Interrupt processing	Possible to operate an interrupt program by the interrupt module or constant period interrupt signal.
Data link	MELSECNET/10, MELSECNET(II), MELSECNET/B
Clock function	Year, month, date, hour, minute, second, and day of week (automatic leap year detection) Accuracy: -3.18...+5.25 s (TYP. +2.12 s)/d at 0 ˚C Accuracy: -3.93...+5.25 s (TYP. +1.90 s)/d at 25 ˚C Accuracy: -14.69...+3.53 s (TYP. -3.67 s)/d at 55 ˚C
Allowable momentary power failure time	The time differs depending on the power supply module used.
Internal current consumption (5 V DC)	0.60 A
External dimensions: Height	98 mm
External dimensions: Width	27.4 mm
External dimensions: Depth	89.3 mm
Weight	0.20 kg

Specifications

Operating ambient temperature	0...55 ˚C
Storage ambient temperature	-20...75 ˚C
Operating ambient humidity	10...90 %RH, non-condensing
Storage ambient humidity	10...90 %RH, non-condensing
Vibration resistance: Compliant with JIS B 3502 and IEC 61131-2: Under intermittent vibration	Frequency: 5...9 Hz, Half amplitude: 3.5 mm Frequency: 9...150 Hz, Constant acceleration: 9.8 m/s 2 Sweep count: 10 times each in X, Y, Z directions
Vibration resistance: Compliant with JIS B 3502 and IEC 61131-2: Under continuous vibration	Frequency: 5...9 Hz, Half amplitude: 1.75 mm Frequency: 9...150 Hz, Constant acceleration: 4.9 m/s 2
Shock resistance	Compliant with JIS B 3502 and IEC 61131-2 (147 m/s 2 , 3 times each in 3 directions X, Y, Z)
Operating atmosphere	No corrosive gases
Operating altitude	0...2000 m
Installation location	Inside a control panel
Overvoltage category	II or less
Pollution degree	2 or less
Equipment class	Class I