MODBUS Master/Slave/Gateway

Modbus is an open standard of communication, widely used in automation. Because of the uncountable number of devices and software using it, the protocol is used very frequently as a medium integrating various systems. NPE can operate in Master and Slave mode for the Modbus protocol.

Modbus Gateway - because of the large amount of slave type devices, the functionality of a Modbus gateway or Modbus proxy is used, thanks to which it is possible to convert the transmission channel from RS-485 buses to TCP/IP, for example.

NPE-mode gateway.jpg
NPE as a device operating in Modbus Gateway mode


Modbus Slave - below, NPE is shown during operation in Modbus Slave mode

 NPE as operating in slave mode on TCP port, communication with SCADA type software
NPE as a device of the Modbus Slave type on a TCP port, communication with SCADA type software

 

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