How do you connect a level sensor to a variable frequency drive? This article explains 4-20mA, 0-10V, and RS485 wiring methods, AI input matching, PID direct/reverse action settings, and troubleshooting, helping water tanks and wastewater sump pump systems achieve stable constant-level control.

What are the advantages of two-wire level sensors over four-wire level sensors? This article analyzes the differences in power supply and signals, focusing on the advantages of two-wire 4-20mA systems in wiring, remote transmission, maintenance, and cost control, and provides selection recommendations for complex operating conditions.

How can level sensors for viscous liquids prevent clogging? This article explains anti-clogging selection for high-viscosity media such as syrup, resin, and sludge; the use of flush diaphragms and radar; installation precautions; heat tracing, flushing, and maintenance methods to help reduce the risks of material buildup, crystallization, signal drift, and downtime.

Can 4-20mA level sensors be connected in parallel? The answer is generally no. This article explains the causes of signal distortion in parallel connections, 24V power-sharing methods, independent AI wiring, and signal splitter solutions to help you avoid abnormal PLC readings and quickly complete a reliable level monitoring design.

How do you wire a four-wire liquid level transmitter? This article explains power terminal identification, 4-20mA and voltage signal wiring methods, as well as signal-free troubleshooting and anti-interference key points, helping you quickly avoid common issues such as wrong wiring and power supply mismatch.