There are two kinds of Power Line Carrier technology. One is used for Load Control, Remote Meter Reading and Home Automation, which is a short rate application.
电力线载波技术分为两类，一种是用于负载控制、远程抄表和家电自动化的低速电力线载波通信。
2
Constant flow rate manually adjustable, proportional flow rate according to a digital input signal (from water meter), Power-ON led indicator and level control input. The two different modes are.