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How to debug electromagnetic flowmeter
Before the electromagnetic flowmeter is commissioned, the pipeline and the flowmeter are thoroughly inspected, including pipeline debris, and the oily medium pipeline does not need to be dried. The inspection before commissioning also checks the electrical circuit. Firstly, the connection of the circuit should be tested to ensure that the grounding is reliable before other line test can be carried out to avoid the capacitive effect of the line, the storage of electricity, or the damage of the measuring power supply to the instrument. . In addition, insulation resistance and grounding resistance tests are required.
Water supply debugging: Whether measuring the aqueous medium suspension liquid or oily medium instrument, the electromagnetic flowmeter should simulate the temperature, pressure, flow rate and other conditions of the actual measurement medium before the formal commissioning. If an abnormality occurs during the water-passing test, or if the parameters are missing, the instrument should be tested for monomer or sent out to the production unit for verification.
System investigation test: The electromagnetic flowmeter can perform system debugging after performing single-function water-passing test and controlling the host's various preparatory debugging. The oily medium pipeline needs to be dried before it can pass through the measured medium for system operation. During system debugging, the host should perform code scan on each measurement point in advance to ensure that each instrument component can be functionally debugged after normal operation. During functional debugging, the host system performs parameter reading on each instrument, threshold value alarm test, etc., then writes the control data, debugs one by one, and sends relevant data to the relevant upper computer for analysis.