RS-232C Commands

The following is a list of all of the commands associated with RS-232C communications.

For details, refer to Help or the following manual:

"SPEL+ Language Reference"

Command Description
OpenCom Opens a communications port.
ChkCom Returns port status: the number of bytes waiting to be read or error condition.
CloseCom Closes a communications port.
SetCom Sets communications port parameters at runtime or from the Command window.
Print # Sends characters out of the port.
Input # Receives characters from the port into one or more variables.
Line Input # Receives one line characters from the port into one string variable.
Read # Receives one or more characters from the port into one string variable.
ReadBin# Receives one or more bytes from the port.
Write # Sends characters out of the port.
WriteBin# Sends one or more bytes out of the port.