FR-F740-S280K-CHT MITSUBISHI

FR-F740-S280K-CHT MITSUBISHI analog module

Product  Description：

Mitsubishi Electric Analog Modules are precision interface components designed for the MELSEC PLC series. They facilitate the conversion between continuous physical signals—such as temperature, pressure, and flow—and the digital data processed by the PLC. These modules are essential for applications requiring more than simple on/off control, allowing for high-resolution monitoring and sophisticated PID control loops.

Product Parameters

The performance of Mitsubishi Analog Modules is defined by their precision and conversion capabilities:

• Signal Types: Supports standard voltage inputs and outputs (e.g., 0 to 5V DC, -10 to +10V DC) and current signals (e.g., 4 to 20mA).

• Resolution: High-precision conversion typically ranging from 12-bit up to 16-bit, providing thousands of digital increments for a single analog range.

• Channel Density: Available in configurations of 2, 4, 8, or 16 channels per module to accommodate various system scales.

• Conversion Speed: High-speed sampling rates, with some modules achieving conversion speeds as fast as 10 microseconds per channel.

• Accuracy: High linearity with an overall accuracy often within ±0.1 percent to ±0.3 percent of the full scale at room temperature.

• Isolation: Equipped with galvanic isolation between the field terminals and the PLC bus to protect against ground loops and high-voltage transients.

Product Advantages

Mitsubishi Analog Modules offer several distinct advantages for industrial process control:

• High Noise Immunity: Advanced filtering technology and shielded circuitry minimize the impact of electromagnetic interference, ensuring stable readings even in electrically noisy environments.

• Integrated Functional Features: Many modules include built-in scaling, square root extraction, and peak-hold functions, which offload complex calculations from the main CPU.

• Disconnection Detection: For current loops (4-20mA), the modules can automatically detect and report a broken wire or sensor failure, enhancing system safety.

• Easy Configuration: Parameters can be set directly via software like GX Works3 without the need for manual jumpers or complex ladder logic for initialization.

• Flexibility: Multiple input types (voltage or current) can often be selected for each channel individually, allowing a single module to handle different types of sensors simultaneously.

Product Applications

These modules are widely deployed in industries where precise measurement and regulation are required:

• Process Industry: Monitoring and controlling temperature in chemical reactors, pressure in pipelines, and fluid levels in storage tanks.

• Thermal Control: Interfacing with thermocouples or RTDs (via specialized temperature modules) to manage industrial furnaces and ovens.

• Tension Control: Used in paper, film, and textile manufacturing to maintain constant tension by measuring load cells and controlling motor speeds.

• Energy Management: Monitoring current and voltage levels in power distribution systems to analyze consumption patterns and efficiency.

• Automotive Testing: Capturing high-speed analog data from various sensors during engine performance tests or crash simulations.

Important Precautions

To ensure accurate data and prevent damage to the modules, users must follow these essential guidelines:

• Shielding and Grounding: Always use shielded twisted-pair cables for analog signals. The shield should be grounded at a single point (typically at the module side) to prevent ground loops.

• Wiring Separation: Keep analog signal lines physically separated from high-voltage power cables and motor drive lines by at least 100mm to avoid inductive noise coupling.

• Input Range Matching: Ensure the module's internal settings match the actual electrical signal being sent by the sensor. Applying a voltage to a channel configured for current can damage the internal shunt resistor.

• Unused Channels: To prevent unstable readings and electrical noise, it is a best practice to short-circuit unused current input terminals or disable them in the software configuration.

• Stable Power Supply: Analog modules are sensitive to voltage fluctuations. Use a dedicated, stabilized 24V DC power supply to ensure consistent conversion accuracy.

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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