a串口模块四个串口COM1到COM4都可以运行在RS232、RS422、RS485三种模式下 All may move serial port module four serial port COM1 to COM4 in RS232, RS422, RS485SAN under a kind of pattern[translate] aSomeone because I love you and want you to be harry. 正在翻译,请等待...[translate] ...
Modbus ASCII and RTU use physical layer RS232 or RS 485. A device configured in ASCII mode can not be used in RTU. Both are not compatible with each other. Daisy Chain Network Modbus and PROFIBUS are protocols built on RS 485, they useddaisy chainarchitecture for connection. RS 232 is a...