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With Troi Serial Plug-in you can receive data sent from an external device with a serial (RS232) interface in FileMaker Pro. You can have the plug-in start a script upon receiving in order to process the received data in your database.

Receiving the data

Assume you have an external serial device connected to a (virtual) serial port on your computer. You can use a serial-USB adapter to connect to a USB port on your computer, which will then act as a virtual serial port.

To receive data from this device, first open the (virtual) serial port on your computer using the Serial_Open function. Add this script step to a ScriptMaker script:
Set Variable[ $ErrorCode; Serial_Open( "-Unused"; "COM1"; ) ]
This will open the COM1 port.
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