FX3UC-64MR MITSUBISHI

FX3UC-64MR MITSUBISHI Digital Input Module

Product  Description：

Mitsubishi Electric Digital Input Modules are fundamental interface components within the MELSEC PLC ecosystem. They are designed to detect "on/off" states from field devices such as push buttons, limit switches, and sensors, converting these physical electrical signals into binary data for the PLC’s central processing unit. These modules act as the primary eyes of the automation system, providing real-time feedback on the status of machinery and production lines.

Product Parameters

The technical profile of a Mitsubishi Digital Input Module is defined by its electrical compatibility and processing speed:

• Input Points: Available in various densities, typically 16, 32, or 64 points per module, allowing for high-density wiring in a small footprint.

• Rated Input Voltage: Primarily 24V DC for industrial standard safety, with specific models available for 100-120V AC and 200-240V AC applications.

• Input Current: Generally ranges from 3mA to 7mA per point, ensuring low power consumption while maintaining signal integrity.

• Response Time: Configurable hardware and software filters allow for ultra-fast response times, often selectable from 0.1ms to 70ms to prevent signal "chatter."

• Logic Type: Supports both Sink (NPN) and Source (PNP) wiring configurations, providing flexibility to match the output type of the sensors being used.

• Dielectric Withstand Voltage: Rated for 500V AC to 1500V AC (depending on the model) for 1 minute between the input terminals and the ground.

Product Advantages

Mitsubishi Digital Input Modules are engineered for high-speed reliability and simplified maintenance:

• Optical Isolation: Each input channel is isolated from the internal PLC circuitry using high-speed photocouplers, protecting the expensive CPU from external electrical surges or short circuits.

• Vibration Resistance: Built to exceed industrial standards for vibration and shock, making them suitable for mounting directly on heavy machinery or moving platforms.

• Advanced Diagnostics: Many high-end modules include wire-break detection and LED status indicators for every channel, allowing operators to identify failed sensors or broken cables instantly.

• Fast Mounting and Wiring: Modules are available with 40-pin connectors or spring-clamp terminal blocks, which significantly reduce the time required for initial panel assembly and future replacement.

• Intelligent Filtering: Integrated digital filters help eliminate electrical noise and contact bounce from mechanical switches, ensuring only valid state changes are processed by the logic.

Product Applications

These modules are the most common component in automation, found in nearly every electronic control cabinet:

• Discrete Manufacturing: Monitoring the position of parts on a conveyor belt via proximity sensors and photocells.

• Safety Systems: Interfacing with emergency stop buttons, light curtains, and door interlock switches to ensure worker safety.

• Machine Tools: Receiving feedback from limit switches and homing sensors on CNC machines to track the absolute position of moving axes.

• Material Handling: Managing the sorting logic in warehouses by detecting the size and presence of packages as they pass through scanning stations.

• Infrastructure Control: Monitoring the status of circuit breakers and manual override switches in power distribution panels and water treatment facilities.

Important Precautions

Adhering to these guidelines is critical for the safety and longevity of the module:

• Wiring Polarity: For DC input modules, double-check the "COM" terminal polarity. Reversing the positive and negative leads on a sink/source module can prevent signal detection or damage the internal photocouplers.

• Voltage Tolerance: Never exceed the rated input voltage. Applying 110V AC to a 24V DC input module will cause immediate and irreparable hardware failure.

• Cable Length: For long-distance sensor runs, use shielded cables to prevent electromagnetic interference from inducing "ghost" signals on the input line.

• Thermal Spacing: Ensure adequate clearance around the PLC rack. When using high-density 64-point modules, all inputs being "on" simultaneously generates internal heat that must be dissipated through proper ventilation.

• Maintenance Safety: Always turn off the external power supply before performing any wiring changes or removing the terminal block to prevent accidental short circuits or electric shocks to personnel.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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