Manufacturer: Mitsubishi Electric
Product No.: Q26UDHCPU
Country of origin:United States
Product Type: PLC CPU Modules
Payment: T/T, Western Union
Weight: 1200g
Dimensions: 98 mm x 27.4 mm x 89.3 mm
Shipping port: Xiamen
Warranty: 12 months
Designed for high-speed, multi-disciplinary industrial control, the Mitsubishi Electric Q26UDHCPU represents the high-tier processing tier of the MELSEC Q Series programmable logic controller platform. This module executes basic logical operations at an ultra-fast instruction speed of 9.5 ns, allowing control engineers to run highly complex control loops without cycle time degradation. It features a generous 260 K steps program capacity alongside extensive device memory allocations, making it highly suitable for demanding multi-CPU configurations and data-intensive manufacturing applications.
| Parameter | Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Model Code | Q26UDHCPU |
| Control Method | Stored program iteration operation |
| I/O Control Method | Refresh method (Direct access I/O possible) |
| LD Instruction Execution Speed | 9.5 ns |
| Program Capacity | 260 K steps (1040 KB) |
| Standard RAM (Drive 3) | 1280 KB |
| Standard ROM (Drive 4) | 4096 KB |
| Internal Current Consumption (5 VDC) | 0.39 A |
| Operating Ambient Temperature | 0 to 55 degC |
| Storage Ambient Temperature | -25 to 75 degC |
| Dimensions (H x W x D) | 98 mm x 27.4 mm x 89.3 mm |
| Net Weight | 0.20 kg |
| Shipping Weight (Calculated) | 1.20 kg |
This universal model acts as a direct, high-capacity upgrade path from legacy Q-series processors such as the Q25HCPU. When migrating projects to this module, verify that your GX Works2 or GX Developer programming software is updated to support the extended device points and structural changes. Note that the Universal model supports newer SRAM, Flash, and ATA memory cards which may differ from older High-Performance model interfaces.
When utilizing this processor in complex multi-CPU configurations, keep in mind that the CPU shared memory high-speed communication area is limited to 32 KB. Exceeding this limit will force the system to route communications through standard CPU shared memory, which adds latency. Ensure that the total current draw of all modules on your base unit does not exceed the maximum rated output of the chosen Q-series power supply module, especially considering the unit's native 0.39 A draw at 5 VDC.
When installing memory cards (e.g., SRAM cards), always perform format routines through the GX Works2 interface prior to data mapping. Do not remove or insert memory cards while the CPU is powered on to prevent data corruption. Always ensure the backup battery is fully functional and connected if you are utilizing the standard RAM (Drive 3) or latch relays to store critical recipe parameters during power-off states.
Shut down all main electrical disconnects powering the PLC rack before attempting to install or remove this CPU module. Failure to de-energize the backplane may cause structural damage to the connector pins, produce system fault codes, or lead to immediate hardware failure.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.
A VFD turns fixed-frequency mains into controlled voltage and frequency so AC motors match real load—cutting pump and fan energy while tightening torque, soft-start, and braking behavior.
PLCs still run the plant floor: scan cycles, I/O, and IEC 61131-3 languages decide whether machines stay deterministic. Here is how controllers work, where they win, and where they strain.
Learning industrial automation now means mastering PLCs, networks, and protection systems—not just robots. This guide maps skills, pitfalls, and career paths for engineers entering control-heavy...
A practical guide to replacing aging Bailey Symphony operator stations running on OpenVMS Alpha. It compares Alpha emulation, OpenVMS x86 migration, OPC re-platforming, and phased ABB modernization.
Maintenance data connects work orders, sensor signals, asset history, costs, and technician knowledge. Used well, it improves planning, reliability, predictive maintenance, spare-parts control, and...
