Mitsubishi QX41-S1 PLC Module QX41S1

Description:

The Mitsubishi QX41-S1 is a digital input module designed for the MELSEC-Q series programmable logic controllers, providing high-speed input signal processing for industrial automation systems. Commonly installed in control panels, production lines, and distributed automation systems, it enables reliable detection of field device signals such as sensors, switches, and relays. Maintenance teams and system integrators use this module for system expansion, signal acquisition, and replacement of existing PLC input modules.

Applications:

The Mitsubishi QX41-S1 is used in industrial automation systems requiring fast and reliable digital input handling. Typical applications include assembly lines, conveyor systems, packaging machinery, and manufacturing equipment where multiple discrete input signals must be monitored and processed efficiently.

Technical Specifications:

• Manufacturer Part Number (MPN): QX41-S1
• Product Type: Digital Input Module (PLC I/O Module)
• Series: MELSEC-Q Series
• Number of Inputs: 32 points
• Input Type: DC input (positive common)
• Rated Input Voltage: 24 VDC
• Rated Input Current: ~4 mA per point
• Response Time: 0.1 / 0.2 / 0.4 / 0.6 / 1 ms (selectable)
• Occupied I/O Points: 32 points
• Internal Current Consumption: ~0.075 A
• Wiring Method: 40-pin connector
• Isolation Method: Photocoupler isolation (typical for Q-series input modules)
• Dimensions: Approx. 27.4 × 98 × 90 mm
• Weight: ~0.12–0.15 kg
• Compliance: CE, UL/cUL compliant

Common Replacements:

• Mitsubishi QX41 (standard speed version)
• Mitsubishi QX41-S2 (alternative response/current variant)
• Mitsubishi QX42-S1 (64-point higher capacity)