Mitsubishi FX2N-4DA Analog Output Module
- anadi automation
- Jul 5
- 2 min read
In-Depth Overview of the Mitsubishi FX2N-4DA Analog Output Module
The Mitsubishi FX2N-4DA is a versatile and high-performance analog output expansion module designed specifically for Mitsubishi’s FX series programmable logic controllers (PLCs). This module plays a crucial role in industrial automation systems by allowing PLCs to control analog devices such as variable frequency drives (VFDs), proportional valves, analog actuators, and other instruments that require precise analog signal output.
The FX2N-4DA module provides four analog output channels, each capable of delivering either voltage (0–10V) or current (4–20mA or 0–20mA) signals. This flexibility enables the module to interface with a wide range of analog-controlled devices. Users can select the output signal type for each channel individually via software configuration, offering great adaptability to meet specific application requirements.
Each of the four channels features 12-bit digital-to-analog conversion (DAC), providing a resolution of 1 part in 4096, which translates into precise control over analog devices. For example, in voltage mode, the smallest possible change in output is approximately 2.44 mV, which is more than sufficient for most industrial process control applications where accuracy and fine control are essential.
The FX2N-4DA is designed for easy integration with FX2N, FX2NC, and FX3U series PLCs, making it a popular choice for both legacy systems and modern automation architectures. It connects directly to the main PLC unit and communicates using Mitsubishi’s internal bus architecture, which ensures fast and reliable data exchange between the controller and the module.
Installation and configuration are straightforward. The module can be easily mounted on a DIN rail or within a control panel alongside the base unit. Configuration of analog output channels is handled using Mitsubishi’s GX Developer or GX Works2/3 software, where engineers can assign values to each output channel, select signal type, and set scaling parameters. Outputs can be controlled using special buffer memory addresses, allowing smooth integration into control logic.
From a protection standpoint, the FX2N-4DA is equipped with short-circuit protection and over-voltage safeguards, protecting both the module and the connected field devices from accidental wiring errors or equipment faults. The module is built to withstand the harsh conditions often found in industrial environments, including wide temperature operating ranges (typically 0°C to 55°C), vibration, and electrical noise.
One of the key benefits of the FX2N-4DA is its ability to support multi-channel output simultaneously without compromising performance. This is particularly beneficial in applications such as temperature control, pressure regulation, motor speed control, and flow measurement, where multiple analog outputs are required and timing precision is crucial.
The module’s compact footprint also makes it ideal for space-constrained control cabinets. Despite its small size, it provides powerful analog control capabilities that greatly expand the functionality of a standard digital PLC system.
In summary, the Mitsubishi FX2N-4DA analog output module is a reliable, accurate, and flexible solution for applications requiring analog signal generation. It offers engineers and system integrators the ability to precisely control analog devices directly from a Mitsubishi PLC, simplifying system architecture while improving control performance. With its high resolution, dual-mode output capability, robust design, and ease of use, the FX2N-4DA continues to be a preferred choice in industries ranging from manufacturing and HVAC to food processing and water treatment.
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