Q12HCPU Mitsubishi Electric Melsec-Q Series PLC CPU Module | High-Speed Processor, Industrial Controller, Automation Component

Mitsubishi Q12HCPU Module

Redundant CPU Module

MELSEC-Q Series CPU

Q12HCPU

The Mitsubishi Q12HCPU Module is a Redundant CPU Module designed for high availability systems, ensuring continuous operation in critical applications as part of the MELSEC-Q Series CPU family.

Specification

SEODescription

The Mitsubishi Q12HCPU Module, a Redundant CPU Module in the MELSEC-Q Series, is designed for ultra-reliable industrial automation. It integrates dual CPUs operating synchronously, supporting up to 64 I/O points and direct connectivity for up to 64 expansion modules. Equipped with Ethernet, RS-232, and RS-485 interfaces, it ensures seamless communication. Operating at 24V DC (±10%) within 0–55°C, it suits critical sectors like energy, chemical, and manufacturing. Key strengths include fault tolerance, real-time processing, and hot-swappable redundancy for minimal downtime. However, its complexity demands skilled configuration, and the premium redundancy architecture increases initial costs. Ideal for systems requiring uninterrupted operation, it balances robustness with high scalability.

SEOSpecification

Parameter	Specification
Model	Mitsubishi Q12HCPU Module
Type	Redundant CPU Module
Series	MELSEC-Q Series CPU
Redundant Configuration Support	Supported (Hot standby)
Processing Speed	0.0095 μs/instruction (LD)
Memory Capacity	448 KB program / 704 KB data
I/O Points	Max 8,192 points (Digital/Analog)
Communication	Ethernet, CC-Link, MELSECNET/H
Redundancy Switch Time	≤ 50 ms
Operating Temperature	0°C to 55°C
Power Supply	DC 5V ±5% (Internal), DC 24V (External)
Certification	UL, CE

SEOQandA

question:Why choose your company for purchasing?
answer:As Asia's leading industrial automation trader with 20+ years' experience, we ensure reliable quality and maintain 85% repeat customers through trusted partnerships.
question:Can you provide shipment photos or order dates for similar products?
answer:Yes, we can share relevant documentation upon request. Please specify product models/specs for accurate assistance.
question:Why are shipping costs high? Any cheaper options?
answer:Rates reflect speed and reliability. We offer alternative cost-effective solutions upon request while ensuring delivery quality.

SEOQandA_Product

question:How to resolve communication failure with Q12HCPU?
answer:Check cable connections, verify network settings, and ensure correct protocol configuration in GX Works2.
question:Q12HCPU program write error occurs.
answer:Disable write protection via the physical lock switch and confirm sufficient memory capacity.
question:Q12HCPU power LED not lighting.
answer:Verify input voltage (24V DC), inspect power supply wiring, and replace faulty power modules if needed.
question:Q12HCPU not detecting expansion modules.
answer:Ensure modules are properly seated, confirm compatibility, and check base unit configuration settings.
question:Backup restore fails on Q12HCPU.
answer:Use compatible memory card, format it via GX Works2, and ensure backup file integrity.