Shandong Laiyang New Material Co., Ltd. is engaged in chemical raw materials and chemical products manufacturing enterprises. In early 2023, we cooperated closely with our company to purchase a whole set of system integrating liquid level detection, field display, valve field control and PLC control, interlock alarm control, and loadgauge data acquisition and interlock control. Due to the number of points and considering the cost, the whole system is realized by three areas and four groups of PLC LAN.

The liquid level detection was realized by the HCDAR-80S frequency CW radar level meter independently developed and produced by our company. The liquid level signals were output to the on-site digital display table in the form of 4-20MA, and then the digital display table output RS485 signals to the PLC programmable controller.