The dialogue to set the connection for the RS232 protocol is shown below. The window will continuously show the commands and values transmitted between Scorpion and the external system.

• Active - The RS-232 TDVCmdProtocol interface is activated checking the Active options - default off
• Send command response - Is default off. It is normally check when setting up or debugging the system to verify that the Scorpion system is alive.

COM port settings

• Port number - select the serial port to use
• Parameters - sets the serial port parameters
  • default 9600;8;pNone;1 - baud rate = 9600 , 8 data bits, no parity and 1 stop bit

• Set - press this button to submit com port changes

Note: if the port do not open an event trace is generated

Options

• Show in message - displays incoming packets in event trace - default on
• Show out messages - displays outgoing packets in event trace - default on
• Write log to file - activate when you need to have a persistence trace - default off
  • Rs232log.txt - the name of the log file
• Protocol - select the packet protocol
  1. stx <Data> etx
  2. stx <Data> <Checksum> etx
  3. soh stx <Data> etx
  4. stx <Data> etx cr
  5. <Data> cr
  6. <Data> cr lf
  7. <Data> lf
  8. soh <Data> etb

More on RS232DVCmdProtocol

Note: For testing RS232 communication a TestRS232TDVCmdProtocol program is available