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1. Wiring instructions for vortex flowmeter
The sensor of vortex flowmeter Minqing is designed with a three wire system, including power line, signal line, and power ground line. This design uses a three core shielded cable, where the shielded wire is connected to the ground of the housing at the sensor end. It is worth noting that Bi should not regret connecting the shielded wire to the ground at the secondary instrument end. The specific function of each wire is: the power line provides power, the signal line transmits data, and the power ground wire is connected to the ground terminal of the sensor. These three wires correspond to different functions, ensuring the normal operation of the equipment. The transmitter adopts a two-wire design and uses a two core cable. In the vortex street transmitter, the "+" terminal is connected to the+24V power supply, while the "-" terminal is connected to the signal input "+" Binance lifting terminal of the test instrument. The signal "-" end needs to be connected to the "-" end of a 24V DC power supply to form a 4-20mA current loop. This design enables vortex flowmeters and transmitters to work efficiently and accurately, especially in environments with limited power supply. By reasonable wiring and connections, interference can be minimized to the greatest extent possible and measurement accuracy can be improved. Proper wiring is crucial in practical applications. Incorrect wiring can not only cause equipment to malfunction, but also pose a safety hazard. Therefore, when installing and configuring a vortex flowmeter, it is essential to strictly follow the wiring diagram. By proper wiring, the signal transmission between the vortex flowmeter and the transmitter can be en
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2. Wiring diagram and connection method of Yokogawa flowmeter
The wiring core of Yokogawa vortex flowmeter lies in the correct connection of power supply, signal line, and output signal. The use of DC power supply and strict distinction between frequency and analog signal terminals are the key to success.
. The wiring diagram of the Yokogawa vortex flowmeter clearly divides three functional areas: power wiring, signal wiring, and output signal wiring. Understanding this structure is the first step to proper connection. 2. Specific connection method 2.1 Power supply wiring Flow meters usually use DC power supply with a voltage range between 12V and 36V. When connecting, the positive pole of the power supply needs to be connected to terminal V+, and the negative pole needs to be connected to terminal V -2.2 Signal line wiring. This part includes two types of signal lines. One end of the frequency output signal line (usually green or blue) should be connected to the F+or Fout terminal of the flowmeter, and the other end should be connected to the frequency input terminal of the control device. One end of the analog current output signal line (usually white or yellow) is connected to the I+or Iout terminal, and the other end is connected to the analog current input terminal of the control device. 2.3 Output signal wiring: Select the output signal type according to the actual measurement requirements. If a frequency signal is required, lead the frequency output line to the frequency input port of external devices such as PLC or computer. If an analog signal is required, use an analog current of 4-20mA
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