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Remote Operation of the Analyzer Teledyne API - T100 UV Fluorescence SO2 Analyzer
178
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CONTROL IN
+
5 VDC Power
Supply
SPAN
ZERO
A B C D E F U +
Figure 8-3: Control Inputs with External 5 V Power Supply
8.2. REMOTE OPERATION USING THE EXTERNAL SERIAL I/O
8.2.1. TERMINAL OPERATING MODES
The T100 can be remotely configured, calibrated or queried for stored data through the
serial ports. As terminals and computers use different communication schemes, the
analyzer supports two communication modes specifically designed to interface with
these two types of devices.
Computer mode is used when the analyzer is connected to a computer with a dedicated
interface program such as APICOM. More information regarding APICOM can be
found in later in this section or on the Teledyne API’s website at http://www.teledyne-
api.com/software/apicom/.
Interactive mode is used with a terminal emulation programs such as HyperTerminal or
a “dumb” computer terminal. The commands that are used to operate the analyzer in this
mode are listed in Table 8-3 and in Appendix A-6.
8.2.2. HELP COMMANDS IN TERMINAL MODE
Table 8-3: 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 button.
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-C Pauses the listing of commands.
Control-P Restarts the listing of commands.
06807C DCN6650