A3MCA-8 MITSUBISHI

A3MCA-8 MITSUBISHI analog module

Product  Description：

Mitsubishi analog modules are designed to convert continuous signals—such as voltage, current, or temperature—into digital data that the PLC can process (Analog-to-Digital), and vice versa (Digital-to-Analog). These modules are known for their high resolution, high-speed conversion, and industrial-grade reliability. They support various signal types, including 0-10V, 4-20mA, and direct sensor inputs like Thermocouples or RTDs.

Key Product Parameters

While specific values vary depending on the model (e.g., R60AD4 vs. Q64AD), the following parameters define the performance of the lineup:

• Resolution: Most modern modules offer high-definition resolution, often reaching up to 1/32,000 or even 1/64,000 for precise control.

• Conversion Speed: High-speed models can achieve conversion rates as fast as 10 microseconds per channel, essential for rapid motion or pressure sensing.

• Number of Channels: Typically available in 2, 4, or 8-channel configurations per module.

• Input/Output Ranges: Supports standard industrial ranges like -10 to +10V DC, 0 to 5V DC, and 0 to 20mA or 4 to 20mA current loops.

• Isolation: High dielectric withstand voltage between the input/output terminals and the PLC power supply to protect the CPU from surges.

• Accuracy: Ambient temperature accuracy is usually within +/- 0.1% to 0.3% of the full scale.

Product Advantages

Mitsubishi’s analog technology stands out due to several engineering refinements:

• Advanced Filtering: Built-in digital filters and averaging functions (time, count, or moving average) help eliminate signal noise without requiring complex PLC ladder logic.

• Scaling and Shifting: Modules can automatically scale raw digital values into engineering units (like Liters or Celsius), simplifying the programming process.

• Reliability: Designed with robust noise immunity and long-term stability, ensuring the system doesn't drift in harsh electromagnetic environments.

• Easy Configuration: Using GX Works3 software, parameters can be set via a graphical interface, reducing the need for manual buffer memory programming.

Technical Considerations and Cautions

To ensure optimal performance and prevent hardware damage, several precautions must be observed:

• Wiring Separation: Always separate analog signal cables from high-voltage AC power lines to prevent electromagnetic interference (EMI).

• Shielding: Use shielded twisted-pair cables and ensure the shield is grounded at a single point, usually at the PLC side.

• Unused Channels: To prevent erratic data readings due to induction, unused current input channels should be short-circuited, and unused voltage channels should be left open or disabled in the software.

• Warm-up Time: For maximum precision, the system should be allowed to run for 15 to 30 minutes to reach thermal equilibrium before performing calibration.

• Current/Voltage Mode: Ensure the hardware switches (if applicable) and software settings match. Applying a voltage signal to a channel set for current can damage the internal resistors.

Typical Applications

Mitsubishi analog modules are utilized across various industries requiring precise measurement and control:

• Process Control: Monitoring and regulating temperature, pressure, and flow rates in chemical plants or water treatment facilities.

• Motion and Tension Control: Managing the torque and speed of VFDs (Variable Frequency Drives) in paper mills or textile machinery.

• Packaging and Food Science: Maintaining strict temperature profiles in industrial ovens or sealing bars.

• Data Acquisition: Collecting high-speed sensor data for quality control testing in automotive or electronics assembly.

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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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.