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Sets the serial port to use XON/XOFF mode.

Component Version macOS Windows Linux Server iOS SDK
SerialPort 3.4 ✅ Yes ✅ Yes ❌ No ✅ Yes, on macOS and Windows ❌ No
MBS( "SerialPort.SetXON"; PortReference; Value )   More


Parameter Description Example
PortReference The reference number of the port. You get this number from SerialPort.Open when you open the port. $port
Value 0 to turn off, 1 to turn on. 1


Returns OK or error message.


Sets the serial port to use XON/XOFF mode.
If set to 1, we use XON/XOFF flow control is used during reception and transmission.


Turn XON/XOFF mode on:

MBS( "SerialPort.SetXON"; $SerialPort; 1 )

Turn XON/XOFF mode off:

MBS( "SerialPort.SetXON"; $SerialPort; 0 )

See also

This function is free to use.

Created 18th August 2014, last changed 24th February 2018

SerialPort.SetTag - SerialPort.Suspend