MITSUBISHI Q312B | PLC Q Series 12-Slot Main Base Unit
1. Product Overview
The Mitsubishi Q312B is a 12-slot main base unit for the MELSEC-Q Series PLC platform, designed to accommodate one power supply module, one CPU module, and 12 I/O/extension modules for building compact, high-performance control systems. It serves as the central backbone for Q Series PLC configurations, enabling seamless integration of power, processing, and I/O layers in a single rack. The unit supports multi-CPU setups and extension rack connections, making it ideal for mid-to-large-scale automation projects requiring flexible I/O expansion and high-speed system communication.
2. Product Advantages & Core Features
- 12-Slot Expansion Capacity: Dedicated slots for 1×power supply, 1×CPU, and 12×I/O/network modules for extensive system customization
- Modular & Scalable Design: Supports multi-CPU configurations and extension rack linking to expand I/O and control capabilities as needed.
- High-Speed Backplane Communication: Ensures fast data transfer between CPU and I/O modules, supporting high-cycle industrial applications.
- Robust Industrial Construction: Heavy-duty metal base with secure module locking for vibration resistance in harsh environments.
- Global Compliance: CE, UL/cUL, and UKCA certified for worldwide deployment in standard industrial control cabinetsMitsubishi Electric Europe e-shop.
- DIN Rail Mountable: Compatible with standard DIN rails via optional adapters for easy cabinet installationMitsubishi Electric Europe e-shop.
- Compact Footprint: Space-efficient dimensions (439×98×44.1 mm) to minimize control cabinet space usageMitsubishi Electric Europe e-shop.
3. Technical Specifications
| Item |
Specification |
| Model |
Q312B |
| Series |
MELSEC-Q Series PLC |
| Type |
Main Base Unit (Rack) |
| Total Slots |
12 (1×Power, 1×CPU, 12×I/O)三菱电机自动化(中国)有限公司 |
| Dimensions (W×H×D) |
439 × 98 × 44.1 mmMitsubishi Electric Europe e-shop |
| Weight |
0.45 kgMitsubishi Electric Europe e-shop |
| Mounting |
DIN rail (optional adapter) / panel mountMitsubishi Electric Europe e-shop |
| Operating Temperature |
0°C to +55°C |
| Storage Temperature |
-25°C to +75°C |
| Protection Class |
IP20 (industrial cabinet use) |
| Compliance |
CE, UL/cUL, UKCA, RoHSMitsubishi Electric Europe e-shop |
| Material |
Heavy-duty metal base |
| Part Number |
129566 (EU), 1W4E02 (Global)Mitsubishi Electric Europe e-shop |