Serial Port
Serial Port
A serial port is a serial communication interface through which information transfers in or out sequentially one bit at a time.
The term serial port usually denotes hardware compliant with RS-232 or a related standard, such as RS-485 or RS-422.
Configuration Deskval Workbench Serial Port mappings
Deskval Workbench offer 3 serial port mappings.
Deskval Workbench offer 3 serial port mappings
Using Serial Port Communication
In an event, use Assignment Action and employ SERIALPORT_QUERY function.
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SERIALPORT_QUERY ( PortNr , sQuery ) |
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Sends sQuery to the SerialPort, determined by the PortNr - Configured in Settings - and returns a Text received from the SerialPort in response to sQuery. In case an error occurs, returns the following Error Message as text , accordingly. ERR_TIMEOUT |
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SERIALPORT_QUERY ( 1 , HelloWorld ) will send HelloWorld to the SerialPort1 and then wait for the response. If SerialPort1 responds, then function will return the response. |
Use of SERIALPORT_QUERY function in Assignment Action