Q26UDHCPU Mitsubishi Melsec-Q series CPU Module

Product parameters

Processor performance: 32-bit RISC multi-core processor, basic instruction execution speed 0.034 μs/step (Boolean instructions), application instructions starting from 0.1 μs/step, supports multi-task parallel processing (program execution, I/O refresh, communication, and diagnosis run synchronously), interrupt response time ≤10 μs

Memory configuration: User program memory 262 k steps (approximately 1310 KB), data memory 1 MB (including power-off retention area, the retention range can be configured through parameters), supports SD card expansion (up to 32 GB, used for program backup, data log storage, and recipe management)

I/O expansion capability: Supports Q series local I/O module expansion, with a maximum of 16,384 local I/O points (digital + analog). Supports remote I/O expansion (via CC-Link IE Field, CC-Link, EtherNet/IP, Modbus TCP and other networks), and can connect thousands of distributed I/O and intelligent devices

Communication interface

Built-in 2 EtherNet interfaces (RJ45, 10/100/1000 Mbps adaptive, supporting TCP/IP, Modbus TCP, CC-Link IE Field Basic, EtherNet/IP protocols, supporting network redundancy and port mirroring);

Built-in 1 RS-485 interface (supporting Modbus RTU/ASCII protocol, multi-master mode, with a maximum baud rate of 115200 bps);

Support the expansion of communication modules (such as QJ71E71-100, QJ71C24N-R2), and extend protocols such as PROFINET, DeviceNet, and Profibus-DP

Power supply parameters: Powered by Q series power modules (such as Q61P-A2, Q62P-A1), with a working voltage of DC 5V, typical power consumption of approximately 12W, and peak power consumption of 15W

Working environment: Working temperature 0℃ to 60℃, storage temperature -20 ℃ to 70℃. Relative humidity 5% - 95% (no condensation), anti-electromagnetic interference (EMC) complies with EN 55011/EN 55022 Class A and IEC 61000-6-2 standards, protection grade IP20 (installed in control cabinet)

Mechanical features: Compatible with Q series standard rack installation (compatible with Q35B/Q50B/Q100B racks), module size 125mm (width) × 89mm (height) × 129mm (depth), weight approximately 0.5kg, supports hot plugging (system power redundancy configuration required)

Programming and Configuration: Supports GX Works2/GX Works3 programming software, compatible with five programming methods: ladder diagram (LD), Function block diagram (FBD), structured text (ST), sequential function diagram (SFC), and instruction list (IL). Supports online debugging, program version management, fault simulation, and remote maintenance

Diagnostic functions: Integrated power supply (PWR), operation (RUN), STOP (STOP), communication (ETH1/ETH2/COM), I/O status indicator lights. Supports multi-level diagnosis at the module level, network level, and program level. Detailed fault codes, real-time system load, and network status can be read through software

Function

High-end computing and control performance With a high-speed basic instruction execution efficiency of 0.034 μs per step, it can handle ultra-large-scale logic programs, complex timing collaboration, and batch data operations. It supports up to 256 PID loops (including self-tuning and feedforward control functions), and is suitable for scenarios where discrete control, process control, and motion control (with the need to expand motion modules) are deeply integrated

Large-capacity memory and data management: 262k step program memory + 1 MB data memory, supporting massive variable storage, complex process formula libraries (such as multi-product production parameters), and long-term fault log recording; The SD card expansion function can achieve program backup/recovery, data log export, and recipe switching, enhancing the system's flexibility and maintainability

Full-dimensional I/O expansion and distributed control: Up to 16,384 local I/O points, capable of connecting digital quantities, analog quantities, and special function modules (such as high-speed counting, pulse output, thermocouple/thermal resistance acquisition, weighing modules); Supports remote expansion of mainstream industrial networks, covering the control requirements of multiple workshops and devices in large factory areas, and realizes the coordination of centralized monitoring and decentralized control

Multi-protocol integrated communication It is equipped with dual Gigabit EtherNet + RS-485 interface, compatible with mainstream industrial protocols such as CC-Link IE Field, Modbus TCP, EtherNet/IP, etc. It can be connected to HMI, SCADA, MES systems and third-party PLCS, frequency converters, intelligent instruments simultaneously. Realize cross-system data interaction and remote monitoring; Support network redundancy design to ensure the stability of communication links

High reliability and data protection: Built-in power-off retention circuit, critical data (programs, PID parameters, counter values) can be retained for ≥10 days through capacitors (extended to several years with the optional battery backup module Q6BAT). Industrial-grade anti-interference and wide-temperature design, suitable for complex electromagnetic environments and temperature fluctuations in industrial sites, with strong continuous operation stability

Convenient maintenance and intelligent operation and maintenance: The multi-level fault diagnosis function can quickly locate the fault point (such as specific I/O modules, communication links, and program logic errors). Supports remote maintenance (via Ethernet access), online program upgrade, and real-time parameter modification, allowing system debugging and maintenance to be completed without downtime. Supports automatic recording of data logs, facilitating fault tracing and production data analysis

Compatibility and scalability: Fully compatible with all I/O modules, communication modules, and special function modules of Mitsubishi Q series, and can be seamlessly integrated with Q series motion control modules and process control modules. Supports networking with Mitsubishi FX series and L series PLCS through industrial networks, adapting to the integration scenarios of new and old systems

Application scenarios

Medium and large-scale discrete manufacturing production lines: automotive parts assembly lines (multi-robot linkage, multi-station collaborative control), electronic equipment assembly lines (flexible production scheduling, quality inspection linkage), home appliance production lines (multi-model switching control, batch sorting and packaging linkage), controlling a large number of solenoid valves, contactors, servo drivers and other equipment

Complex process control systems: medium-sized chemical plants (series/parallel control of multiple reactors, multi-parameter closed-loop regulation of temperature/pressure/flow rate/liquid level), fermentation and purification systems in the pharmaceutical industry (aseptic process control, batch management and formula switching), large-scale water treatment plants (full-process process linkage: flocculation, sedimentation, filtration, disinfection)

High-end equipment and intelligent production lines: Large injection molding machines (precise control of multi-chamber molds, pressure/flow closed-loop regulation), printing and packaging production lines (multi-machine speed synchronization, tension closed-loop control, registration accuracy regulation), CNC machine tool clusters (multi-machine collaborative processing, tool management and process parameter sharing)

Large-scale warehousing and logistics systems: large-scale stereoscopic warehouses (multi-stacker crane linkage, multi-conveyor line transfer, intelligent management and dispatching of storage locations), logistics sorting centers (high-speed sorting logic, barcode/RFID identification linkage, multi-area sorting collaboration)

Energy and Infrastructure Control: Small and medium-sized power stations (generator set control, distribution system load dispatching, environmental protection desulfurization and denitrification linkage), industrial boilers and kilns (combustion optimization control, temperature uniformity regulation), large building automation systems (central air conditioning, water supply and drainage, lighting, fire protection multi-system linkage)

Distributed industrial networks and smart factories: Distributed control networks for large industrial parks (centralized monitoring and decentralized control of multiple workshops/devices), MES/ERP integration for smart factories (real-time upload of production data, linkage of order scheduling and equipment control), cross-factory remote monitoring and operation and maintenance systems

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