Mitsubishi Electric Q03UDCPU MELSEC Q Series Universal PLC CPU Module

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Manufacturer: Mitsubishi Electric
Product No.: Q03UDCPU
Country of origin:Egyesült Államok
Product Type: PLC CPU Modules
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 98 mm x 27.4 mm x 89.3 mm
Shipping port: Xiamen
Warranty: 12 months

Description

Executing high-speed industrial sequence logic within the MELSEC Q Series platform, the Mitsubishi Electric Q03UDCPU is designed as a high-performance Universal PLC CPU module. It features an advanced processing engine capable of executing basic sequence instructions down to 20 nanoseconds, rendering it ideal for high-speed packaging, multi-axis coordination, and distributed plant control architectures. Program storage is secured by a 30K-step program capacity (120 KB), with extensive expandable file registers to accommodate complex automation recipes and extensive system parameter configuration.

Features

High-speed instruction execution of 20 ns for LD X0 and 40 ns for MOV D0 D1.
Flexible program capacity of 30K steps (120 KB) supporting multi-program system designs.
Multi-language support including Relay Symbol Word, Structured Text (ST), Function Block (FB), and MELSAP 3 (SFC).
Dual direct-access I/O system mapping (refresh mode or direct I/O execution via DX/DY addressing).
Robust internal memory system containing 192 KB standard RAM and 1024 KB standard ROM.
Dual interface architecture featuring on-board USB (Mini-B) and RS-232 connection interfaces for seamless local diagnostics.

Applications

High-Speed Packaging Systems: Real-time indexing, bagging, and synchronization of auxiliary motion axes.
Automotive Assembly Lines: Coordinated conveyor sequencing, multi-CPU architecture integration, and distributed device level networking.
Process Plant Subsystems: Water treatment, cleanroom management, and environmental monitoring control platforms.

Technical Specifications Table

Parameter	Specification Value
Manufacturer	Mitsubishi Electric
Model Number	Q03UDCPU
Control Method	Stored program cyclic/iteration operation
Instruction Execution Speed	20 ns (LD X0), 40 ns (MOV D0 D1)
Program Capacity	30K steps (120 KB)
Standard RAM	192 KB
Standard ROM	1024 KB
Max. Number of I/O Points	4096 points (X/Y0 to FFF)
Internal Current Consumption (DC 5V)	0.33 A
Operating Ambient Temperature	0 to 55 degC
Storage Ambient Temperature	-25 to 75 degC
Ambient Operating Humidity	5 to 95% RH, non-condensing
Dimensions (H x W x D)	98 mm x 27.4 mm x 89.3 mm
Net Weight	0.20 kg
Shipping Weight (Calculated)	2.0 kg
Country of Origin	Japan

Connections and Interfaces

Port / Physical Interface	Function and Assignment
USB (Mini-B) Port	High-speed GX Works2 / GX Developer programming, monitoring, and debugging link.
RS-232 Connector	Serial communications link for HMI interfaces, modems, and programming peripherals.
Memory Card Slot	Supports SRAM cards (up to 8 MB), Flash cards (up to 4 MB), or ATA cards (up to 32 MB).

Alternative Models & Compatibility

The Q03UDCPU provides a direct upgrade pathway from legacy Q03UD units. Unlike the Q03UDECPU, this model does not feature a built-in Ethernet (RJ45) port. If industrial Ethernet connectivity (EtherNet/IP or Modbus TCP) is required, you must integrate an external communication card, such as the QJ71E71-100 module, or utilize a Q03UDECPU or Q03UDVCPU module instead.

Application Pitfalls & Engineering Notes

When deploying the Q03UDCPU in multi-CPU configurations alongside motion or robot CPUs, pay close attention to the parameter settings for the high-speed inter-CPU communication shared memory. Over-allocating data in the shared memory registers without matching cycle updates in the system parameters can lead to immediate multi-CPU synchronization faults (WDT errors or Error 1400).

Commissioning & Wiring Tips

Verify the physical toggle position of the RUN/STOP/RESET switch prior to download operations. If storing active runtime values or recipes in standard RAM, ensure that the system lithium battery (Q6BAT) is functional. If the red BAT LED illuminates, immediately backup your registers to avoid data loss upon subsequent 24V DC backplane power cycles.

Installation Guidelines

CRITICAL WARNING: Never install or extract the PLC CPU module from the main backplane while the rack power supply module (e.g., Q61P) is energized. Doing so will cause severe physical damage to the module backplane connectors and internal logic chips.

De-energize the main line voltage feeding the power supply module and verify using a voltmeter that no residual voltage remains.

Align the lower hook of the CPU module into the mounting guide hole on the base unit slot.

Push the top of the module firmly onto the base plate until the module lock latch clicks securely into place. Secure the module further using a M3 holding screw if high vibration levels are anticipated.

Key Features:

#Melsec Q Series #PLC CPU Modules

What is the primary hardware difference between the Q03UDCPU and the Q03UDECPU?

The Q03UDCPU does not contain an integrated RJ45 Ethernet port. If network communications are required, you must add an external Ethernet module (e.g., QJ71E71-100) or select the Q03UDECPU.

Does the Q03UDCPU retain program files and variables when power is disconnected?

Program memory and standard ROM are non-volatile and fully retained. However, data in the standard RAM and latch registers depends on the system's Q6BAT battery for retention during power outages.

What software is required to program this CPU?

The Q03UDCPU is programmed and configured using Mitsubishi Electric's GX Works2 or legacy GX Developer engineering software platforms.

Globális expressz szállítás

Normál szállítás: 4-6 munkanap a DHL, FedEx és UPS szolgáltatásával.
Gyors kiszállítás: A raktáron lévő, 14:00 (GMT+8) előtt leadott megrendeléseket aznap feladjuk.
Világszintű lefedettség: Több mint 150 országban szolgálunk ki, beleértve a gyors szállítást Szaúd-Arábiába és az Egyesült Arab Emírségekbe.

Visszaküldés és garancia

30 napos garancia: Csak a raktáron lévő termékek eredeti, gyári zárt csomagolásban történő visszaküldését fogadjuk el.
12 hónapos garancia: Minden ipari alkatrészünket szakmai műszaki garancia védi.

A megrendeléseket hétfőtől péntekig dolgozzuk fel és szállítjuk (állami ünnepnapok kivételével).

A teljes jogosultság, a készletfeltöltési díjak és a nemzetközi visszaküldési részletek megtekintéséhez kérjük, tekintse meg hivatalos oldalunkat Visszatérítési és Visszaküldési Szabályzat .

TECHNICAL SPECIFICATIONS

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Mitsubishi Electric Q03UDCPU MELSEC Q Series Universal PLC CPU Module