The ModbusAsyncSlaveExtension component activates the Modbus Async slave network for the device. The component has to be placed in the ModbusTCPSlaveNetwork component.

ModbusAsyncSlaveExtension component


The ModbusAsyncSlaveExtension component has the following slots:

  • Status: shows the point’s status;
  • Fault Cause: shows the fault cause description;
  • RS485 Port: shows a number of port used for the Modbus Async slave network communication;
  • Enable: enables or disables functioning of the Modbus Async slave network; 
  • Modbus Device Address: allows to set the device's Modbus address;
  • Baud Rate: allows to set the Modbus RS485 port baud rate;
    • Available options: 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps;
  • Stop Bits: allows to set the stop bit definition;
    • Available options: 1-bit, 2-bits;
  • Data Bits: allows to set the data bits definition;
    • Available options: 7-bits or 8-bits;
  • Parity: allows to set the parity bit definition;
    • Available options: None, Odd, Even, Always1, Always0;
  • Modbus Type: allows to set the Modbus type definition;
    • Available options: RTU or ASCII.