搜狐1 个月
RS232、RS485与MODBUS：你必须了解的通信基础
相较之下，RS485接口的设计更加复杂 ... MODBUS协议有多个变体，其中MODBUS-RTU和MODBUS-TCP是最为常见的类型。前者基于串行通信，而后者能够利用以太 ...
Electropages7 天
DC energy meters for accurate monitoring in fast EV chargers
The DC energy meters with Ethernet are direct-connection devices for DC systems up to 1000V and 600A. The energy meters display information about the specific charging session while receiving and ...