LD75D1-CM MITSUBISHI

LD75D1-CM MITSUBISHI Analog Output Modules

Product  Description：

Mitsubishi Electric Analog Output Modules are precision components within the MELSEC programmable logic controller series designed to convert digital data from the CPU into continuous analog signals. These signals are used to control a variety of external devices that require infinitely variable inputs rather than simple on/off commands.

Product Parameters

The technical performance of these modules is defined by high precision and rapid response times. Standard parameters for these modules typically include:

• Number of Channels: Available in configurations ranging from 2 to 8 isolated or non-isolated channels per module.

• Output Ranges: Supports standard voltage signals such as 0 to 5V DC, -10 to 10V DC, and current signals such as 0 to 20mA or 4 to 20mA.

• Resolution: High-resolution options ranging from 12-bit to 16-bit, allowing for up to 32,000 or 64,000 digital steps for extremely smooth control.

• Conversion Speed: High-speed processing capabilities often reaching 100 microseconds per channel or faster.

• Accuracy: Ambient temperature accuracy typically within plus or minus 0.1 percent to 0.3 percent of the full scale.

• Isolation: Built-in photocoupler isolation between the output terminals and the internal logic to prevent electrical noise interference.

Product Advantages

Mitsubishi Analog Output Modules offer several distinct benefits for industrial automation:

• Fine Precision Control: The high-resolution output allows for incredibly smooth transitions in motor speed or valve positioning, which is critical for delicate manufacturing processes.

• System Flexibility: Most modules allow for independent configuration of each channel, meaning one module can simultaneously handle different signal types for different devices.

• Advanced Scaling Functions: Integrated scaling features allow users to program the module using engineering units, such as Celsius or Liters per Minute, without complex ladder logic calculations.

• Reliability and Diagnostics: Equipped with comprehensive status LEDs and digital diagnostic data that alert the system to wire breakages or out-of-range errors.

• Scalability: Part of the modular MELSEC ecosystem, these boards can be easily added to existing systems to expand control capabilities as production needs grow.

Product Applications

These modules serve as the interface for various variable-control industrial devices:

• Inverter Control: Providing a frequency command signal to Variable Frequency Drives (VFDs) to manage the speed of pumps, fans, and conveyor belts.

• Valve Positioning: Controlling proportional valves in hydraulic or pneumatic systems to regulate fluid flow or pressure with high accuracy.

• Heater Control: Interfacing with power controllers to adjust the intensity of industrial heating elements in ovens or plastic extrusion machines.

• Actuator Management: Driving linear or rotary actuators in precision assembly tasks where specific positioning or force is required.

• Data Logging and Monitoring: Sending signals to external chart recorders or displays for real-time monitoring of system performance.

Important Precautions

To ensure accurate signal transmission and hardware longevity, the following precautions should be observed:

• Signal Wiring: Use shielded twisted-pair cables for all analog outputs to minimize the impact of electromagnetic interference. The shield should be grounded at a single point, usually at the module side.

• External Power Supply: Ensure that the external 24V DC power supply is stable and within the specified voltage tolerances, as fluctuations can directly affect output accuracy.

• Load Impedance: Verify that the connected device's input impedance is within the module's allowable load range (e.g., maximum 600 ohms for current output or minimum 1000 ohms for voltage output).

• Channel Configuration: Always check the hardware switch settings or software parameters before wiring, as applying a current-mode signal to a voltage-configured device may cause hardware damage.

• Warm-up Time: For applications requiring maximum precision, allow the module and the system to warm up for approximately 20 to 30 minutes to reach thermal stability.

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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