The remote pressure gauge within the pressure sensor is relatively straightforward, featuring an internal potentiometer whose sliding end is linked to the gauge’s pointer. As pressure fluctuates, the sliding end's position adjusts accordingly. Once the potentiometer terminals in the pressure gauge are connected to the inverter's power supply, the voltage between the sliding end and "GND" serves as the feedback signal XF.
For wiring the remote transmission pressure gauge to the inverter, connect its three terminals to the inverter’s +10V (power supply), GND (common ground), and X1 (multi-function terminal). Next, configure the inverter settings:
1. Running Command Source = External Terminal
2. Frequency Command Channel = PID
3. Set P, I, and D values
4. Upper Frequency Limit
5. Lower Frequency Limit
6. Target Pressure – this forms the foundation for connecting a standard inverter to a remote pressure gauge for constant voltage control. Depending on the specific inverter model and its terminal configurations, additional adjustments may be necessary.
While these steps outline the basics, real-world applications often require fine-tuning based on environmental factors or equipment limitations. For instance, ensuring compatibility between the pressure gauge’s output range and the inverter’s input sensitivity can prevent issues like signal distortion or overloading. Additionally, monitoring system performance during operation will help verify if adjustments are needed to maintain optimal control.
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