Q20UDHCPU Mitsubishi Melsec-Q series CPU Module

Product parameters

1. Core specifications

Product type: Mitsubishi Electric Q series high-performance programmable logic controller (PLC) CPU module, supporting multi-axis motion control and large-scale logic control

Processor performance: 32-bit RISC processor, computing speed 0.034μs/step (for basic instructions), 0.1μs/step (for application instructions)

Program capacity: Built-in 200k RAM (supports battery backup), expandable to 8M RAM (via memory card)

Data capacity: Built-in 128k word RAM, supports expansion of SRAM/Flash memory cards (up to 32GB)

I/O points: Maximum support of 8192 points (digital quantity), 512 channels (analog quantity), and support for remote I/O expansion (CC-Link IE Field, CC-Link, etc.)

Motion control function: Supports 4-axis linear interpolation/circular interpolation, with a maximum pulse output frequency of 4Mpps (differential output), and supports electronic CAM, electronic gear, and position comparison functions

Communication interface

Built-in interfaces: 2 Ethernet ports (1000BASE-T/100BASE-TX/10BASE-T, supporting TCP/IP, UDP, Modbus TCP, CC-Link IE Field Basic)

Expansion interface: Supports RS-232C/RS-485 communication modules (such as QJ71C24N), dedicated communication modules (such as CC-Link IE Field, Profinet, EtherNet/IP modules)

Programming software: Supports GX Works2/GX Works3 (Version 1.07 and above)

2. Electrical and environmental parameters

Supply voltage: DC 24V (Allowable range: DC 20.4V - 26.4V)

Power consumption: Typical power consumption 25W, maximum power consumption 30W

Operating temperature: 0℃ - 55℃ (for operation), -20℃ - 65℃ (for storage)

Humidity range: 5% - 95% RH (Non-condensing, non-corrosive gas)

Protection grade: IP20 (Panel installation, relying on control cabinet protection)

Insulation resistance: ≥10MΩ (measured by a 500V DC megohmmeter)

Withstand voltage: AC 1500V, 1 minute (between the power terminal and the ground terminal)

3. Expand compatibility

Compatible with the entire Q series of expansion modules: digital I/O modules (such as QX40, QY40P), analog I/O modules (such as Q64AD, Q62DA), motion control modules (such as QD75MH4), communication modules, and special function modules (such as temperature control, high-speed counting modules)

Support remote I/O networks: CC-Link IE Field, CC-Link, Modbus RTU, Profinet IO, EtherNet/IP, etc

Support for connection to third-party devices: Connect to touch screens, upper computers, frequency converters, servo systems, etc. through standard communication protocols (Modbus TCP/RTU, OPC UA)

Function

High-performance logic control: Equipped with a high-speed 32-bit RISC processor, the basic instruction operation speed is as low as 0.034μs per step, which can efficiently handle large-scale logic programs. It supports complex interlock control and timing control, meeting the logic operation requirements of large-scale equipment or production lines.

Integrated multi-axis motion control: Built-in 4-axis pulse output function (up to 4Mpps), supporting linear interpolation, circular interpolation, electronic CAM, electronic gear, position latch, origin return and other motion control functions. Multi-axis synchronous control (such as small mechanical hands, conveyor line synchronization, printing machine registration control) can be achieved without additional motion control modules.

Strong communication capability: Built-in dual Ethernet ports, supporting network redundancy, data exchange, remote monitoring and programming; It can be expanded with multiple industrial bus modules to achieve seamless communication with upper computers (SCADA, MES) and field devices (frequency converters, servo systems, sensors), and support factory-level data interconnection and interoperability.

Large-capacity storage and expansion: Built-in 200k step program capacity and 128k word data capacity, supporting memory card expansion (up to 32GB), capable of storing massive programs, data logs, and formula parameters, meeting the storage requirements of complex systems. Supports multi-module expansion, flexibly combining I/O, communication, and special function modules to adapt to the functional expansion of different scenarios.

High reliability and fault diagnosis: It is equipped with multiple diagnostic functions such as power anomaly detection, program error detection, and I/O communication fault detection. Fault information is fed back to the programming software or touch screen in real time, facilitating quick troubleshooting. Support battery backup (for programs and data) to ensure that data is not lost after power failure. It complies with industrial-grade anti-interference standards and is suitable for complex on-site environments.

Flexible programming and debugging: Supports multiple programming languages such as ladder diagram, Function block diagram (FBD), structured text (ST), and sequential function diagram (SFC), adapting to the programming habits of different engineers. Through the GX Works2/GX Works3 software, online monitoring, debugging, parameter modification can be achieved, and remote maintenance is supported to improve the efficiency of debugging and maintenance.

Application scenarios

Intelligent manufacturing and production lines: automotive parts assembly lines, electronic component production lines, food packaging production lines, etc., achieve multi-device collaboration, process interlocking, and synchronous control of conveyor lines, and cooperate with upper computers to realize production data collection and traceability.

Mechanical equipment automation: Small manipulators (within 4 axes), printing machines, die-cutting machines, laminating machines, etc., achieve precise positioning, multi-axis interpolation, and speed synchronization through built-in motion control functions, enhancing the processing accuracy and efficiency of the equipment.

Auxiliary control in process industry: For medium and large-scale complete sets of equipment in the chemical, pharmaceutical, and water treatment industries (such as auxiliary systems for reaction vessels and complete sets of sewage treatment equipment), it realizes logic interlocking, valve control, and pump set start and stop control. At the same time, it connects to process control instruments through communication modules to transmit data.

Logistics and warehousing equipment: Automated stereoscopic warehouses, sorting lines, AGV dispatching systems (small), achieving shelf positioning, sorting mechanism action control, and conveyor line speed synchronization, combined with barcodes/RFID to realize logistics traceability.

New energy and environmental protection equipment: photovoltaic module production lines, lithium battery assembly equipment, environmental protection testing equipment, achieving process parameter control, multi-axis synchronous actions (such as battery cell handling, module packaging), and supporting communication with new energy monitoring systems.

Machine tools and processing equipment: Small CNC machine tools, special-purpose processing machine tools (such as drilling machines, milling machines), achieving spindle speed control, feed axis positioning and interpolation, and cooperating with servo systems to improve processing accuracy.

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