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The Mitsubishi FX-4AD is an analog input unit designed to convert up to 4 channels of analog input (voltage or current) into 12-bit digital readings. This data is then transferred to an FX series programmable controller. The unit features optical coupling to protect against voltage surges that could damage other equipment. It offers flexibility in input selection, supporting either voltage or current inputs. With a resolution of 5mA for voltage input and 20µA for current input, the FX-4AD ensures accurate readings. The conversion speed is 15ms per channel, and it operates on a 24V DC power source with 8 I/O points.
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| Manufacturer | Mitsubishi |
|---|---|
| Product Line | FX Series |
| Part Number | FX-4AD |
| Weight | 0.94 lbs (0.43 kg) |
| Model Type | Programmable Controllers |
| Input terminals | Either voltage or current inputs can be selected with your choice of input terminal. |
| The number of inputs that can be used at one time | Up to 4 inputs |
| Analog voltage input range | -10V to +10VDC (input resistance: 200kΩ) |
| Analog current input range | -20mA to +20mA (input resistance: 250Ω) |
| Digital output | 12-bit conversion stored in 16-bit 2’s complement form (Maximum value: +2047 & minimum value: -2048) |
| Voltage input Resolution | 5 mA (10V default range 1/2000) |
| Current input resolution | 20µA (20mA default range 1/1000) |
| Voltage input overall accuracy | =+/-1% (for range of -10V to +10V)' |
| Current input overall accuracy | =+/-1% (for range of -20mA to +20mA)' |
| Conversion speed | 15 ms per channel |
| Isolation | Photocoupler isolation between analog and digital circuits. DC/DC converter isolation from the base unit. (No isolation between inputs) |
| Power source | 24V DC +/-10%, 50mA |
| I/O specifications | 8 I/O points are occupied in the software. They may be registered as either inputs or outputs. |
| Power consumption | 30 mA from the 5V rail from the base unit. |
The Mitsubishi FX-4AD is an analog input unit that converts up to 4 analog input channels, whether voltage or current, into 12-bit digital readings. It seamlessly transfers this data to an FX series programmable controller, allowing for efficient monitoring and control. The unit utilizes optical coupling to safeguard against voltage surges that could damage other equipment. Users can choose voltage or current inputs with their preferred input terminal configuration. The FX-4AD supports up to 4 inputs simultaneously, making it suitable for applications with multiple analog input requirements. For analog voltage input, the range extends from -10V to +10VDC, with an input resistance of 200kΩ. For analog current input, the range spans from -20mA to +20mA, with an input resistance of 250Ω. The digital output is stored in 16-bit 2's complement form following 12-bit conversion, with a maximum value of +2047 and a minimum value of -2048. The unit provides high-resolution readings, with a voltage input resolution of 5 mA (for the default 10V range, 1/2000) and a current input resolution of 20µA (for the default 20mA range, 1/1000). To ensure accuracy, the FX-4AD offers a voltage input overall accuracy of +/-1% within the range of -10V to +10V and a current input overall accuracy of +/-1% within the range of -20mA to +20mA. The conversion speed is impressively fast, with a rate of 15 ms per channel. The unit has photocoupler isolation between analog and digital circuits and DC/DC converter isolation from the base unit. However, there is no isolation between inputs. The power source required for operation is 24V DC with a tolerance of +/-10%, drawing 50mA of current. With 8 I/O points occupied in the software, they can be registered as either inputs or outputs, providing flexibility in configuring the system. The FX-4AD has a power consumption of 30 mA from the 5V rail of the base unit. The Mitsubishi FX-4AD analog input unit delivers efficient and precise analog-to-digital conversion for various applications with its comprehensive input options, isolation features, and high-resolution readings.