Product Overview:
The Mitsubishi QX81 is a high-performance, 16-point DC input module designed for seamless integration with the MELSEC Q Series Programmable Logic Controllers (PLCs). Engineered for robust industrial automation environments, this essential component provides reliable and precise acquisition of digital signals from a wide array of external devices such as sensors, limit switches, and push buttons. The QX81 module ensures stable and accurate data transfer, critical for maintaining the efficiency and safety of complex machinery and control systems. Its advanced design and Mitsubishi's renowned manufacturing quality guarantee exceptional durability and long-term operational stability, making it an ideal choice for demanding factory automation, process control, and machine building applications where dependable signal input is paramount. Optimize your control system's performance and enhance operational reliability with the Mitsubishi QX81 input module.

 
Technical Specifications:

Model: QX81
Part Number: QX81
Alternative Part Number: Q-X81
Input Type: DC Input
Number of Input Points: 16 points
Rated Input Voltage: 24V DC (+20% / -15%)
Input Current: Approx. 7mA/point (at 24V DC)
ON Voltage/Current: 19V DC min / 3.5mA min
OFF Voltage/Current: 6V DC max / 1.7mA max
Input Response Time: 10ms or 1.5ms (selectable)
Input Common Method: Sink/Source selectable (via external wiring)
Isolation: Opto-coupler isolation between input terminals and internal circuit
External Connection: 18-point terminal block
Indicators: Input status LEDs (ON/OFF for each point)
Internal Current Consumption (5V DC): 0.08A
Weight: 0.18 kg
Dimensions (H x W x D): 98mm x 27.4mm x 90mm
Operating Temperature: 0 to 55°C (32 to 131°F)
Storage Temperature: -20 to 75°C (-4 to 167°F)
Relative Humidity: 5 to 95% RH (non-condensing)
Applicable PLC Series: MELSEC Q Series
Certifications: CE, UL, cUL