RPT 301 User Manual | 15 |
3.4General Reply Format
For commands that have a reply string, the reply terminator <RT> is always transmitted and is always <CR> followed by <LF>.
<RT> is expected with all commands but only shown in some of the following sections for clarity (e.g.: Section 5.3 Diagnostics Mode).
Command Terminator
Command strings must end with the command terminator <CT>.
For Dumb Terminal applications press the carriage return (or enter) key.
With a Terminal Emulator communications application, the application must be
For Custom applications, <CR> (decimal 13) or <CRLF> (decimal 13 followed by decimal 10) must be added to the end of each complete command string.
<CT> is expected with all commands except for some interactive commands where further explanation is necessary (e.g.: Section 4 User Calibration).
3.5Error Message
Error messages are generated from two sources:
a.The command decoder. A command error causes the return of an error message and stops the rest of the command string. The instrument sends an error message corresponding to the command error.
b.A pressure sensor fault causes an error message to be sent. Serious faults block the transmission of pressure data and sends the error message in place of data.