Modbus协议,从字面理解它包括Mod和Bus两部分,首先它是一种bus,即总线协议,和I2C、SPI类似,总线就意味着有主机,有从机,这些设备在同一条总线上。 Modbus支持单主机,多个从机,最多支持247个从机设备。关于Mod,因为这种协议最早被用在PLC控制器中,准确的 ...
It is possible to connect up to 20 M-Bus slaves and enable them to communicate on a Modbus-TCP network. Mapping and configuration is done in a web-based configuration tool allowing the user to set up ...