Description:

The Mitsubishi Q38B PLC base unit is used in MELSEC-Q programmable logic controller systems. Commonly installed in industrial control panels, factory automation systems, and modular PLC assemblies. Maintenance teams, OEMs, and system integrators use this base unit for system expansion, replacement, and PLC rack configuration.

Applications:

The Mitsubishi Q38B base unit is used in industrial automation environments to support modular PLC system architecture by housing CPU, power supply, and I/O modules. It is widely applied in manufacturing lines, process control systems, material handling equipment, and machine automation where scalable control systems and reliable module integration are required. Its role as the main rack enables efficient communication and power distribution between PLC components and connected field devices.

Technical Specifications:

• Manufacturer: Mitsubishi Electric
• Model / Part Number: Q38B
• Product Type: PLC Main Base Unit (Rack)
• Series: MELSEC-Q Series
• Slot Capacity: 8 I/O slots
• Power Supply Slot: 1 slot for PSU module
• Mounting Type: Panel mount (rack-based system)
• Function: Supports CPU, power supply, and I/O module integration
• Dimensions: Approx. 328 × 98 × 44.1 mm
• Weight: Approx. 0.35 kg
• Compliance: CE, UL/cUL certified
• Application: Modular PLC system expansion and configuration

Common Replacements:

• Mitsubishi Q38DB
• Mitsubishi Q35B
• Mitsubishi Q33B