Isolated two-wire current loop circuit diagram XTR101 ISO100
The described circuit utilizes the XTR101, a precision current-to-voltage converter, which is designed to convert a standard 4-20 mA current loop signal into a proportional voltage output. The XTR101 operates within a specified range, ensuring that the output voltage accurately reflects the input current. By connecting the output of the XTR101 to the ISO100 isolation amplifier, the circuit achieves galvanic isolation, which is critical in applications where electrical noise and ground loops may adversely affect signal integrity.
The ISO100 isolation amplifier serves two primary functions: it isolates the output of the XTR101 to prevent ground loop issues and it amplifies the signal to match the desired output range of +1V to +5V. This is particularly beneficial in industrial settings where long cable runs can introduce noise and interference. The isolation provided by the ISO100 also protects sensitive measurement devices from high voltages or transients present in the environment.
The circuit's design ensures robust performance in challenging conditions, such as high electromagnetic interference (EMI) environments. The anti-jamming features of the circuit enhance its reliability for long-distance signal transmission, making it suitable for applications in fields like industrial automation, process control, and remote monitoring systems. Overall, the combination of the XTR101 and ISO100 in this circuit configuration provides an effective solution for accurate and reliable signal processing in various demanding applications. As shown, the circuit will combine XTR101 with isolation amplifier ISO100 use, the 4 ~ 20mA current transformation and enlarged to + 1 ~ + 5v voltage output, while isolating th e power supply. The circuit has an excellent anti-jamming features, can be used for long-distance transmission signal interference field or big occasions.
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