Product Description

​The Mitsubishi Q68B is an extension base unit designed for the MELSEC-Q Series programmable logic controllers (PLCs). This unit provides 8 slots for I/O modules and 1 slot for a power supply module, allowing for scalable expansion of I/O capabilities in automation systems. It is compatible with various MELSEC-Q series modules and power supply units, facilitating seamless integration into existing setups. The Q68B is DIN rail mountable and features a compact design, making it suitable for space-constrained environments.

Technical Specifications

• Model: Q68B
• Type: Extension Base Unit
• Series: MELSEC-Q
• I/O Slots: 8
• Power Supply Slots: 1
• Compatible Modules: MELSEC-Q series I/O modules and power supply modules
• Mounting: DIN rail
• Mounting Hole Size: M4 screw hole or ø4.5 hole (for M4 screw)
• Dimensions (WxHxD): 328 mm x 98 mm x 44.1 mm
• Weight: 0.38 kg
• Internal Current Consumption (5 V DC): 0.12 A
• Conformity: CE, UL/cUL, UKCA, RoHS compliant
• Country of Origin: Japan
• Warranty: Typically 1–2 years for new units​