Mitsubishi QX42-S1 DC Output Module Unit PLC QX42S1

Description:

The Mitsubishi QX42‑S1 DC output module is an I/O interface used in industrial automation to provide discrete DC output points for programmable logic controllers. It is commonly installed in Mitsubishi PLC racks and control cabinets to switch field devices such as relays, solenoids, and indicator lamps. Maintenance teams and system integrators use this module for control system expansion, machine upgrades, and replacement of failed or aging output modules.

Applications:

The Mitsubishi QX42‑S1 output module is widely used in factory and process automation environments requiring reliable DC output control. It is commonly found in conveyor systems, packaging machinery, assembly lines, material handling equipment, and machine tools where PLC logic actuates DC loads such as pilot lights, valve coils, and small DC contactors.

Technical Specifications:

• Model: QX42‑S1
• Module type: Digital DC output interface
• Number of outputs: Typically 4 discrete DC outputs
• Output voltage: 24 VDC (standard industrial logic)
• Output type: Sourcing or sinking DC outputs (platform dependent)
• Output current: Per channel rating (platform dependent)
• Connection: Field terminal wiring
• Mounting: PLC rack slot or DIN rail (system dependent)
• Compatibility: Mitsubishi Q‑Series or compatible PLC platforms
• Indicators: Output status LEDs
• Response time: Typical industrial logic response
• Protection: Overload/short‑circuit protection (platform dependent)
• Operating temperature: Industrial range
• Designed for: Switching DC field loads from PLC logic

Common Replacements:

• Mitsubishi QX42‑S
• Omron SYSMAC DC output module
• Allen‑Bradley 1734‑OB4