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Remote Operation Teledyne API T801 NDIR CO2 Analyzer Operation Manual
152
8.2. INTERACTIVE MODE
Interactive mode is used with a terminal emulation programs or a “dumb”
computer terminal.
8.2.1. REMOTE CONTROL VIA A TERMINAL EMULATION PROGRAM
Start a terminal emulation programs such as HyperTerminal. All configuration
commands must be created following a strict syntax or be pasted in from a text
file, which was edited offline and then uploaded through a specific transfer
procedure. The commands that are used to operate the analyzer in this mode are
listed in Table 8-1 and in Appendix A.
8.2.1.1. HELP COMMANDS IN IN
TERACTIVE MODE
Table 8-1: Terminal Mode Software Commands
COMMAND Function
Control-T Switches the analyzer to terminal mode (echo, edit). If mode flags 1 & 2 are OFF, the
interface can be used in interactive mode with a terminal emulation program.
Control-C
Switches the analyzer to computer mode (no echo, no edit).
CR
(carriage return)
A carriage return is required after each command line is typed into the
terminal/computer. The command will not be sent to the analyzer to be executed until
this is done. On personal computers, this is achieved by pressing the ENTER key.
BS
(backspace)
Erases one character to the left of the cursor location.
ESC
(escape)
Erases the entire command line.
?[ID] CR This command prints a complete list of available commands along with the definitions of
their functionality to the display device of the terminal or computer being used. The ID
number of the analyzer is only necessary if multiple analyzers are on the same
communications line, such as the multi-drop setup.
Control-P
Restarts the listing of commands.
8.2.1.2. COMMAND SYNTAX
Commands are not case-sensitive, and all arguments within one command (i.e.
ID numbers, keywords, data values, etc.) must be separated with a space
character.
All Commands follow the syntax:
X [ID] COMMAND <CR>
Where
X is the command type (one letter; refer to Table 8-2) that defines the type of
command. Allowed designators are listed in Appendix A-6.
[ID] is the machine identification number (Section 5.7.1). Example: the
Command
“? 700” followed by a carriage return would print the list
of available commands for the revision of software currently
installed in the instrument assigned ID Number 700.
COMMAND is the command designator: This string is the name of the command
being issued (LIST, ABORT, NAME, EXIT, etc.). Some commands
07274B DCN6418