Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-L Series – CPU / L26CPU-P Mitsubishi MELSEC-L Series Programmable controller CPU

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L26CPU-P Mitsubishi MELSEC-L Series Programmable controller CPU

MPN: L26CPU-P · 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-L Series – CPU
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

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When can L26CPU-P be shipped?

L26CPU-P 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 L26CPU-P 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 L26CPU-P 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 L26CPU-P, subject to availability and destination.

The Mitsubishi Electric L26CPU-P is a programmable controller CPU in the MELSEC-L Series. Number of I/O points: 4096, number of I/O device points: 8192, program capacity: 260K steps, basic operation processing speed (LD X0): 9.5 ns, program memory capacity: 1040K bytes, external interface: USB/Ethernet, built-in I/O: source output, with SD memory card interface. Mitsubishi Electric has announced its discontinuation (2027/09 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-L Series
Category	Programmable controller CPU
Sales status	2027/09 To be end of order (Mitsubishi Electric)
Outline	Number of I/O points: 4096, number of I/O device points: 8192, program capacity: 260K steps, basic operation processing speed (LD X0): 9.5 ns, program memory capacity: 1040K bytes, external interface: USB/Ethernet, built-in I/O: source output, with SD memory card interface

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)
Processing speed: Sequence instruction: LD X0	9.5 ns
Processing speed: Sequence instruction: MOV D0 D1	19 ns
Constant scan	0.5...2000 ms (setting is available in increments of 0.5 ms by parameter)
Program capacity	260K steps (1040K bytes)
Memory capacity: Program memory (drive 0)	1040K bytes
Memory capacity: Memory card (ROM) (drive 2)	Depends on the SD/SDHC memory card used.
Memory capacity: Standard RAM (drive 3)	768K bytes
Memory capacity: Standard ROM (drive 4)	2048K bytes
Maximum number of storable files: Program memory	252
Maximum number of storable files: Memory card (ROM): SD	Root directory: 511 (maximum) Subdirectory: 65533 (maximum)
Maximum number of storable files: Memory card (ROM): SDHC	Root directory: 65534 (maximum) Subdirectory: 65533 (maximum)
Maximum number of storable files: Standard RAM	4
Maximum number of storable files: Standard ROM	256
Maximum number of intelligent function module parameters: Initial setting	4096 parameters
Maximum number of intelligent function module parameters: Refresh	2048 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)
No. of device points: Data register (D)	12288 points (D0...12287) by default (changeable)
No. of device points: Extended data register (D)	131072 points (D12288...143359) by default (changeable)
No. of device points: Link register (W)	8192 points (W0...1FFF) by default (changeable)
No. of device points: Extended link register (W)	0 points 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 393216 points are available by switching blocks.)
No. of device points: File register (ZR): Standard RAM	393216 points (ZR0...393215) (Blocks do not need to be switched.)
No. of device points: Link special relay (SB)	2048 points (SB0...7FF) by default (changeable)
No. of device points: Link special register (SW)	2048 points (SW0...7FF) by default (changeable)
No. of device points: Step relay (S)	8192 points (S0...8191) by default
No. of device points: Index register/standard device register (Z)	20 points (Z0...19) (maximum)
No. of device points: Index register (Z) (32-bit index modification of ZR device)	10 points (Z0...18) (maximum) (The index register is used as a double-word device.)
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, W, and R.)
Clock function: Displayed information	Year, month, date, hour, minute, second, and day of week (automatic leap year detection)
Clock function: Accuracy	0 ˚C: -2.96...+3.74 s (TYP. +1.42 s)/day 25 ˚C: -3.18...+3.74 s (TYP. +1.50 s)/day 55 ˚C: -13.20...+2.12 s (TYP. -3.54 s)/day
Allowable momentary power failure time	The time differs depending on the power supply module used.
Internal current consumption (5 V DC)	With display unit: 1.06 A Without display unit: 1.00 A END cover (accessory): 0.04 A
External dimensions: Height	90 mm
External dimensions: Width	CPU: 70 mm END cover (accessory): 13 mm
External dimensions: Depth	95 mm
Weight	CPU with display unit: 0.39 kg CPU without display unit: 0.37 kg END cover (accessory): 0.06 kg

Specifications of the built-in Ethernet function

Transmission specifications: Data transmission speed	100/10 Mbps
Transmission specifications: Communication mode	Full-duplex/Half-duplex
Transmission specifications: Transmission method	Base band
Transmission specifications: Maximum distance between hub and node	100 m
Number of connections	Total of 16 for Socket communications, MELSOFT connections, and MC protocols. 1 for FTP.

Specifications of the built-in I/O function

High-speed input: 24V Input: Rated input voltage	24 V DC (+20/-15 %, ripple ratio within 5 %)
High-speed input: 24V Input: Rated input current	6.0 mA TYP. (at 24 V DC)
High-speed input: 24V Input: On voltage/on current	19 V or more/5 mA or more
High-speed input: 24V Input: Off voltage/off current	8 V or less/1.5 mA or less
High-speed input: 24V Input: Input resistance	3.8 kΩ
High-speed input: 24V Input: Response time	10 µs or less
High-speed input: 24V Input: Common terminal arrangement	Independent common
High-speed input: Differential input	EIA Standard RS-422-A Differential line driver level (AM26L31 (Manufactured by Texas Instruments Incorporated) or equivalent)
Standard input: 24V Input: Rated input voltage	24 V DC (+20/-15 %, ripple ratio within 5 %)
Standard input: 24V Input: Rated input current	4.1 mA TYP. (at 24 V DC)
Standard input: 24V Input: ON voltage/ON current	19 V or more/3.5 mA or more
Standard input: 24V Input: OFF voltage/OFF current	8 V or less/1.0 mA or less
Standard input: 24V Input: Input resistance	5.6 kΩ
Standard input: 24V Input: Response time	100 µs or less
Standard input: 24V Input: Common terminal arrangement	10 points/common
Output: Rated load voltage	5...24 V DC
Output: Maximum load current	0.1 A/point
Output: Maximum voltage drop at ON	0.2 V (TYP.)
Output: Leakage current at OFF	0.1 mA or less
Output: Response time	1 µs or less
Output: Common terminal arrangement	8 points/common (source type)

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

MELSEC-L CPU Module User's Manual (Hardware Design, Maintenance and Inspection) (SH-080890ENG-AJ)	PDF · 12.63MB
MELSEC-L CPU Module User's Manual (Function Explanation, Program Fundamentals) (SH-080889ENG-Z)	PDF · 12.86MB
MELSEC-L CPU Module User's Manual (Built-In I/O Function) (SH-080892ENG-J)	PDF · 4.48MB
MELSEC-L CPU Module User's Manual (Built-In Ethernet Function) (SH-080891ENG-S)	PDF · 6.46MB
CC-Link IE Field Network Basic Reference Manual (SH-081684ENG-J)	PDF · 4.67MB
QnUDVCPU/LCPU User's Manual (Data Logging Function) (SH-080893ENG-U)	PDF · 7.37MB
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 (SFC) (SH-080041-X)	PDF · 9.11MB
MELSEC-Q/L Programming Manual (MELSAP-L) (SH-080076-V)	PDF · 8.80MB