The Q312DB is a 12-slot main base unit for Mitsubishi's Q Series PLC system, designed for large-scale automation systems requiring extensive I/O and function module expansion. This heavy-duty base unit provides the backbone for complex control configurations.
Key Specifications
Parameter Specification
Model Q312DB
Series Q Series (Main Base)
Slot Configuration 12 slots (including power supply slot)
Bus Current Capacity 5V DC: 5.0A max
Mountable Modules Power supply, CPU, I/O, Network, Motion
Terminal Type Screw terminals (for power input)
Material Steel with corrosion-resistant coating
3. Physical Specifications
Parameter Value
Dimensions (W×H×D) 365 × 98 × 86 mm
Weight 2.1 kg
Mounting Panel mounting (standard)
Protection Class IP20
4. System Configuration
✔ Typical Module Arrangement:
Slot 1: Power supply (Q61P/Q63P)
Slot 2: CPU (Q03UDECPU/Q13UDEHCPU)
Slots 3-12: I/O or special function modules
✔ Expansion Capability:
Up to 7 extension bases (Q6□B series)
Maximum 64 slots per system
5. Environmental Ratings
Operating Temperature: 0°C to +55°C