As the production process has higher and higher requirements for coating quality and automatic control, in recent years, people's awareness of energy conservation and environmental protection has been increasing, and it has been gradually eliminated in PCB electroplating. Mainly used for high-current industrial electroplating. The electroplating rectifier is developing from a single function to a multi-function. Because the pulse power is mainly controlled by embedded single chip microcomputer.
So in addition to realizing pulse output, it usually has a variety of control functions. Let's take a look at the rectifier control function of the automatic electroplating equipment: with input current phase loss, overvoltage, fan overheating, main transformer overheating, starting and running currents are too large, reverse sequence protection, output overcurrent cutoff, short circuit, overheating and input The situation power.
It has automatic protection function, and has timing shutdown, fault alarm and automatic protection function. In the automatic working state of the rectifier, the current or voltage output value, climb time, steady time and working mode and other parameters are set by the man-machine interface, and the computer and PLC form a closed-loop control, which is automatically controlled by the computer.
The rectifier has remote control and local panel control functions, and can be switched. In remote control, voltage and current can be set and displayed on the man-machine interface; during local control, voltage and current can be set and displayed on the rectifier panel (or remote control).