AC300R4-25P MITSUBISHI

AC300R4-25P MITSUBISHI Analog Input Module

Product  Description：

Mitsubishi Electric Analog Input Modules are high-precision components designed for the MELSEC PLC series that convert continuous analog signals from the physical world into digital data that the PLC CPU can process. These modules act as the sensory interface for industrial systems, allowing the controller to "measure" variables such as temperature, pressure, flow, and weight. By utilizing high-resolution A/D (Analog-to-Digital) conversion, these modules ensure that even minute changes in the manufacturing environment are captured with extreme accuracy.

Product Parameters

The technical capabilities of Mitsubishi Analog Input Modules are defined by their speed, resolution, and signal compatibility:

• Input Signal Types: Configurable for voltage (e.g., 0-5V DC, 1-5V DC, -10 to 10V DC) and current (e.g., 0-20mA, 4-20mA DC) standard signals.

• Digital Resolution: High-precision conversion typically ranging from 12-bit to 16-bit, providing a digital output scale such as -32000 to 32000.

• Number of Channels: Available in densities of 4, 8, or 16 channels per module to accommodate multiple sensors.

• Conversion Speed: High-speed processing capabilities, with sampling rates as fast as 10 microseconds to 1 millisecond per channel.

• Absolute Maximum Rating: Designed to withstand transient overvoltages, often rated for ±15V for voltage inputs and 30mA for current inputs.

• Isolation: Circuit-to-circuit and channel-to-channel isolation provided via photocouplers or transformers to prevent ground loops.

Product Advantages

Mitsubishi Analog Input Modules offer several engineering benefits that enhance system performance and stability:

• High Accuracy and Linearity: Designed with minimal offset and gain errors, ensuring that the digital representation of the analog signal is highly faithful to the actual physical value.

• Built-in Intelligence: Many modules include onboard processing for functions like digital filtering, scaling (converting 4-20mA directly into engineering units like PSI or Celsius), and peak value holding.

• Noise Suppression: Advanced hardware filters and software averaging functions effectively eliminate electrical noise and "jitter" often found in industrial environments.

• Easy Diagnostics: Features integrated LED indicators and buffer memory registers that track disconnection (wire-break) detection and out-of-range signal alarms.

• Flexible Configuration: Users can easily set input ranges and filtering parameters through software (GX Works) without the need for manual jumpers or hardware adjustments.

Product Applications

These modules are critical in any application requiring the monitoring of variable physical quantities:

• Process Control: Monitoring temperature and pressure levels in chemical reactors, food processing ovens, and boilers.

• Water Management: Measuring flow rates and tank levels in water treatment facilities and pumping stations.

• Weight and Tension Control: Interfacing with load cells and tension sensors in packaging machinery and paper mills to ensure product consistency.

• HVAC Systems: Collecting data from humidity and air quality sensors to optimize climate control in large commercial buildings.

• Energy Monitoring: Connecting to power transducers to monitor voltage and current consumption across a factory floor.

Important Precautions

To ensure accurate measurements and prevent hardware damage, the following precautions are mandatory:

• Shielding and Grounding: Always use shielded twisted-pair cables for analog signals. The shield should be grounded at a single point (usually the PLC side) to prevent electromagnetic interference from distorting the signal.

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

• Current Loop Protection: When using 4-20mA current inputs, ensure the external loop power supply is stable. If a wire breaks, the module’s disconnection detection feature should be configured to trigger a safety shutdown.

• Unused Channels: To prevent unstable digital values caused by induced noise, short-circuit the terminals of any unused input channels or configure them as "disabled" in the software settings.

• Proper Warm-up Time: For applications requiring maximum precision, allow the module to power on and stabilize for approximately 20 to 30 minutes before performing critical measurements or calibrations.

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.