Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-Q Series – CPU / Q25PHCPU Mitsubishi MELSEC-Q Series Process CPU

Available on request

Q25PHCPU Mitsubishi MELSEC-Q Series Process CPU

MPN: Q25PHCPU · Brand: Mitsubishi Electric (Factory Automation)

Price on request

Discontinued by Mitsubishi Electric (Factory Automation) — we can still source the original Q25PHCPU (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 Q25PHCPU now that it is discontinued?

Yes. Mitsubishi Electric (Factory Automation) has discontinued the Q25PHCPU, 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 Q25PHCPU be shipped?

Q25PHCPU 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 Q25PHCPU 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 Q25PHCPU 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 Q25PHCPU, subject to availability and destination.

The Mitsubishi Electric Q25PHCPU is a process CPU in the MELSEC-Q Series. Number of I/O points: 4096, I/O device points: 8192, program capacity: 252K steps, basic operation processing speed (LD X0): 34 ns, program memory capacity: 1008K bytes, external interface: USB/RS-232, with memory card interface, process control language supported. Mitsubishi Electric has discontinued it (2020/09 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	Process CPU
Sales status	2020/09 Discontinued (Mitsubishi Electric)
Outline	Number of I/O points: 4096, I/O device points: 8192, program capacity: 252K steps, basic operation processing speed (LD X0): 34 ns, program memory capacity: 1008K bytes, external interface: USB/RS-232, with memory card interface, process control language supported

Specifications

Control method	Stored program cyclic operation
I/O control mode	Refresh mode (The direct access input/output is available by specifying the direct access input/output (DX, DY).)
Programming language: Sequence control language	Relay symbol language, logic symbolic language, MELSAP3 (SFC), MELSAP-L, function block and structured text (ST)
Programming language: Process control language	FBD for process control
Processing speed: Sequence instruction: LD X0	34 ns
Processing speed: Sequence instruction: MOV D0 D1	102 ns
Constant scan	0.5...2000 ms (setting is available in increments of 0.5 ms by parameter)
Program capacity	252K steps (1008K bytes)
Memory capacity: Program memory (drive 0)	1008K bytes
Memory capacity: Memory card (RAM) (drive 1)	Size of the installed memory card (2M bytes max.)
Memory capacity: Memory card (ROM) (drive 2)	Size of the installed memory card (Flash card: 4M bytes max., ATA card: 32M bytes max.)
Memory capacity: Standard RAM (drive 3)	256K bytes
Memory capacity: Standard ROM (drive 4)	1008K bytes
Memory capacity: CPU shared memory: QCPU standard memory	8K bytes
Maximum number of storable files: Program memory	252
Maximum number of storable files: Memory card (RAM)	287 (when the Q2MEM-2MBS is used)
Maximum number of storable files: Memory card (ROM): Flash card	288
Maximum number of storable files: Memory card (ROM): ATA card	512
Maximum number of storable files: Standard RAM	3
Maximum number of storable files: Standard ROM	252
Maximum number of intelligent function module parameters: Initial setting	512 parameters
Maximum number of intelligent function module parameters: Refresh	256 parameters
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)	8192 points (M0...8191) by default (changeable)
No. of device points: Latch relay (L)	8192 points (L0...8191) by default (changeable)
No. of device points: Link relay (B)	8192 points (B0...1FFF) by default (changeable)
No. of device points: Timer (T)	2048 points (T0...2047) by default (changeable) (Low-speed and high-speed timers available) Low-speed or high-speed is specified by an instruction. The measurement unit is set by parameter. (Low-speed timer: 1...1000 ms (in increments of 1 ms), default: 100 ms) (High-speed timer: 0.1...100.0 ms (in increments of 0.1 ms), default: 10.0 ms)
No. of device points: Retentive timer (ST)	0 points by default (changeable) (Low-speed and high-speed retentive timers available) Low-speed or high-speed is specified by an instruction. The measurement unit is set by parameter. (Low-speed retentive timer: 1...1000 ms (in increments of 1 ms), default: 100 ms) (High-speed retentive timer: 0.1...100.0 ms (in increments of 0.1 ms), default: 10.0 ms)
No. of device points: Counter (C)	Normal counter: 1024 points (C0...1023) by default (changeable) Interrupt counter: 256 points max. (0 points by default, setting by parameters)
No. of device points: Data register (D)	12288 points (D0...12287) by default (changeable)
No. of device points: Link register (W)	8192 points (W0...1FFF) by default (changeable)
No. of device points: Annunciator (F)	2048 points (F0...2047) by default (changeable)
No. of device points: Edge relay (V)	2048 points (V0...2047) by default (changeable)
No. of device points: File register (R): Standard RAM	32768 points (R0...32767) (Maximum 131072 points are available by switching blocks.)
No. of device points: File register (R): SRAM card (1M byte)	32768 points (R0...32767) (Maximum 517120 points are available by switching blocks.)
No. of device points: File register (R): SRAM card (2M bytes)	32768 points (R0...32767) (Maximum 1041408 points are available by switching blocks.)
No. of device points: File register (R): Flash card (2M bytes)	32768 points (R0...32767) (Maximum 1041408 points are available by switching blocks.)
No. of device points: File register (R): Flash card (4M bytes)	32768 points (R0...32767) (Maximum 1042432 points are available by switching blocks.)
No. of device points: File register (ZR): Standard RAM	131072 points (ZR0...131071) (Blocks do not need to be switched.)
No. of device points: File register (ZR): SRAM card (1M byte)	517120 points (ZR0...517119) (Blocks do not need to be switched.)
No. of device points: File register (ZR): SRAM card (2M bytes)	1041408 points (ZR0...1041407) (Blocks do not need to be switched.)
No. of device points: File register (ZR): Flash card (2M bytes)	1041408 points (ZR0...1041407) (Blocks do not need to be switched.)
No. of device points: File register (ZR): Flash card (4M bytes)	1042432 points (ZR0...1042431) (Blocks do not need to be switched.)
No. of device points: Link special relay (SB)	2048 points (SB0...7FF) (The number of device points is fixed.)
No. of device points: Link special register (SW)	2048 points (SW0...7FF) (The number of device points is fixed.)
No. of device points: Step relay (S)	8192 points (S0...8191) (The number of device points is fixed.)
No. of device points: Index register (Z)	16 points (Z0...15) (The number of device points is fixed.)
No. of device points: Pointer (P)	4096 points (P0...4095) (The number of device points is fixed.) (The local pointer range and the common pointer range can be set by parameter.)
No. of device points: Interrupt pointer (I)	256 points (I0...255) (The number of device points is fixed.) (The fixed scan interval for the system interrupt pointer I28 to 31 can be set by parameter.) 0.5...1000.0 ms (in increments of 0.5 ms) Default I28: 100 ms, I29: 40 ms, I30: 20 ms, I31: 10 ms
No. of device points: Special relay (SM)	2048 points (SM0...2047) (The number of device points is fixed.)
No. of device points: Special register (SD)	2048 points (SD0...2047) (The number of device points is fixed.)
No. of device points: Function input (FX)	16 points (FX0...F) (The number of device points is fixed.)
No. of device points: Function output (FY)	16 points (FY0...F) (The number of device points is fixed.)
No. of device points: Function register (FD)	5 points (FD0...4) (The number of device points is fixed.)
Link direct device	Device that directly accesses the link device of a network module Specification format: J□□\X□□, J□□\Y□□, J□□\SB□□, J□□\W□□, J□□\SW□□
Intelligent function module device	Device that directly accesses the buffer memory of an intelligent function module Specified form: U...\G...
Latch (data retention during power failure) range	8192 points (L0...8191) by default (The latch range can be set for the devices, B, F, V, T, ST, C, D, and W.)
RUN/PAUSE contact	One contact can be set up in X0 to X1FFF for each of RUN and PAUSE.
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)	0.64 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	-25...75 ˚C
Operating ambient humidity	5...95 %RH, non-condensing
Storage ambient humidity	5...95 %RH, non-condensing
Vibration resistance: Compliant with JIS B 3502 and IEC 61131-2: Under intermittent vibration	Frequency: 5...8.4 Hz, Half amplitude: 3.5 mm Frequency: 8.4...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...8.4 Hz, Half amplitude: 1.75 mm Frequency: 8.4...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

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

QCPU User's Manual (Hardware Design, Maintenance and Inspection) (SH-080483ENG-BC)	PDF · 11.02MB
Qn(H)/QnPH/QnPRHCPU User's Manual (Function Explanation, Program Fundamentals) (SH-080808ENG-M)	PDF · 10.44MB
QCPU User's Manual (Multiple CPU System) (SH-080485ENG-V)	PDF · 3.40MB
MELSEC-Q/L Programming Manual (Common Instruction) (SH-080809ENG-X)	PDF · 24.23MB
MELSEC-Q/L Programming Manual (Structured Text) (SH-080366E-K)	PDF · 2.14MB
MELSEC-Q/L/QnA Programming Manual (PID Control Instructions) (SH-080040-S)	PDF · 7.54MB
MELSEC-Q/L/QnA Programming Manual (SFC) (SH-080041-X)	PDF · 9.11MB
MELSEC-Q/L Programming Manual (MELSAP-L) (SH-080076-V)	PDF · 8.80MB
MELSEC-Q/L/F Structured Programming Manual (Fundamentals) (SH-080782ENG-O)	PDF · 1.59MB
MELSEC-Q/L Structured Programming Manual (Common Instructions) (SH-080783ENG-P)	PDF · 10.34MB