Why does the control system of industrial integrated water purification equipment fail-Ocpuritech-im

Why does the control system of industrial integrated water purification equipment fail?

by:Ocpuritech     2021-04-23
Why does the control system of industrial integrated water purification equipment fail? Author: water safety is a topic only in recent years there has been a lively discussion, more and more people in order to ensure the safety of drinking water, have to give up running water, pure water as the main source of water production and life, and therefore the prospect of a pure water industry Bright, there are more and more industrial integrated water purification equipment on the market. The control system is very important in the composition of industrial integrated water purification treatment equipment. It controls the operation of ultra-pure water equipment, but the control system of industrial integrated water purification treatment equipment will also fail, so industrial integrated water purification treatment What is the reason for the failure of the control system of the equipment? 1. The system control loop and the main loop are in the same control cabinet with a small space, and there may be interference between the control power supply and the main loop power supply. 2. The system PLC, touch screen, thermal relay alarm point, on-site float level high and low control points and other electrical equipment share a 24V power supply. There are too many series and parallel circuits. If one of them fails, it may cause any one or more of the circuits. The electrical equipment is damaged. 3. The AC contactor coil on the main circuit is directly connected to the PLC output point without any isolation measures in between, which may easily cause the PLC output point current to be too large and damage the PLC. 4. The environment in the ultrapure water room is relatively humid. Add a control cabinet to the electrical equipment that is exposed to the outside. The control circuit in the original control cabinet is moved to the newly added control cabinet to separate it from the main circuit of the system. Possible power interference in the main circuit, and solve the problem of too many series and parallel circuits of 24V power supply. 5. The power supply of the EDI module is supplied by a large isolation transformer at the bottom of the control cabinet. Its placement position is at the bottom of the control cabinet and the control cabinet is not well sealed. It is easy to be contaminated with dust and lead to poor contact of the wiring terminals, which affects the power supply of the EDI module. The above content is the editor's introduction to the reasons for the failure of the control system of the industrial integrated water purification treatment equipment. If the control system fails, the equipment will not work, which affects the water use.
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