Q172DSCPU MITSUBISHI

Q172DSCPU MITSUBISHI analog module

Product  Description：

Mitsubishi Electric Analog Modules are high-performance expansion units designed for the MELSEC PLC series, enabling the control system to interface with continuous, non-discrete signals. These modules are divided into three primary types: Analog Input (A/D) modules that convert real-world signals into digital data, Analog Output (D/A) modules that convert digital instructions into physical signals, and Temperature Control modules. They act as the vital link between digital logic and the variable physical environment, allowing for sophisticated control of speed, pressure, temperature, and flow.

Product Parameters

The technical specifications of Mitsubishi analog modules are engineered for high-resolution performance and industrial stability:

• Signal Ranges: Supports standard voltage ranges such as 0-5V, 1-5V, and -10 to 10V DC, as well as current ranges like 0-20mA and 4-20mA DC.

• Digital Resolution: Features high-definition conversion usually at 12-bit or 16-bit, providing a digital scale of up to 32,000 or 64,000 increments for granular control.

• Conversion Speed: Sampling rates are optimized for real-time response, typically ranging from 10 microseconds to 80 milliseconds per channel.

• Channel Density: Modules are available in 2, 4, 8, or 16-channel configurations to match various system scales.

• Precision Accuracy: Ambient temperature accuracy is typically within ±0.1 percent to ±0.3 percent of the full scale.

• Isolation: Equipped with high-voltage isolation between the power supply, internal logic, and external I/O channels to prevent signal interference.

Product Advantages

Mitsubishi analog modules provide significant benefits for precision-driven industries:

• Intelligent On-board Processing: Many modules include built-in functions for scaling, digital filtering, and averaging, which reduces the computational burden on the PLC CPU.

• High Noise Immunity: The modules utilize advanced shielding and differential input circuits to filter out the electrical noise common in factory environments with high-frequency motor drives.

• Automatic Disconnection Detection: Input modules can identify wire-break conditions in 4-20mA loops and trigger immediate alarms to prevent process failures.

• Hot Swapping Capability: Certain high-end series allow for the replacement of modules without shutting down the entire PLC system, minimizing production downtime.

• Integrated Engineering Environment: Configuration is handled entirely through the GX Works software, featuring intuitive parameter settings that eliminate the need for complex manual register programming.

Product Applications

These modules are essential for any automation task requiring smooth, variable control rather than simple on/off switching:

• Motion and Speed Control: Providing analog speed references to Variable Frequency Drives (VFDs) or servo amplifiers for precise conveyor and motor management.

• Environmental Regulation: Interfacing with temperature, humidity, and CO2 sensors to maintain specific conditions in cleanrooms and food storage facilities.

• Fluid Dynamics: Managing valve positions and pump speeds based on feedback from flow meters and pressure transducers in chemical and water treatment plants.

• Material Tensioning: Controlling the torque of unwinding and rewinding machinery in paper, textile, and film production.

• Precision Heating: Working with PID control loops to manage industrial furnaces and plastic injection molding machines.

Important Precautions

To ensure long-term reliability and signal integrity, the following guidelines must be followed:

• Shielded Wiring: Always use shielded twisted-pair cables for analog signal transmission. Connect the shield to the designated ground terminal on the PLC side only to avoid ground loops.

• Separation of Lines: Analog signal cables must be routed in separate conduits or trays away from high-voltage AC lines and motor cables to prevent inductive interference.

• Unused Channel Management: To prevent "ghosting" or noise on digital registers, short-circuit the terminals of unused voltage input channels or disable them in the software parameters.

• External Power Stability: For modules requiring an external 24V DC power supply, ensure the supply is regulated and free from significant ripple voltage.

• Terminal Tightening: Ensure all terminal block screws are tightened to the specified torque. Loose connections in analog circuits can lead to fluctuating readings and intermittent data errors.

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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