The Q38B is an 8-slot base unit for Mitsubishi's MELSEC-Q Series PLC system, designed to house power supply modules, CPU modules, and I/O modules in a modular configuration. It provides a robust and flexible platform for building medium-scale automation systems.
Key Specifications
Parameter Specification
Model Q38B
Number of Slots 8 slots (including power supply and CPU slots)
Compatible Modules Q-Series power supplies, CPUs, and I/O modules
Bus Communication MELSEC-Q high-speed bus (for module-to-module data exchange)
Mounting DIN rail or panel mounting
Dimensions (W×H×D) 340 × 128 × 119.5 mm
Weight 1.7 kg
Main Features
✔ Modular Design – Supports flexible configurations with up to 6 I/O modules (after CPU and power supply).
✔ High-Speed Backplane Bus – Enables fast communication between modules.
✔ Durable Construction – Metal housing with high vibration/shock resistance.
✔ Easy Expansion – Connects with extension base units (e.g., Q68B) via extension cables.
✔ Tool-Free Module Installation – Lever-lock mechanism for secure module mounting.