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APPENDIX C
PETICBM 2001
The following
program sends a command string to the Model 194 from a PETKBM
2001 com-
puter and displays the instrument
reading string on the computer CRT. As the PETKBM
com-
puter has a standard IEEE-488 interface, no additional
equipment
is necessary.
DIRECTIONS
1. Using the front panel program feature, set the primary
address of the Model 194 to 9.
2. With the power off, connect the Model 194 to the PETKBM
IEEE-486 interface.
3. Enter the lines of the program below, using the RETURN key after each line is typed,
4. Type RUN and press the RETURN key. Type in the desired command string at the command
prompt.
For example, to place the instrument
in the autorange and average modes, type in
ROFlX and press the RETURN key.
5. The instrument
reading
string
will
then
appear
on the CRT. A typical
display
is:
NDCV+1,2345E+O.
PROGRAM
COMMENTS
Open file 1, primary
address 9.
Prompt for, input command string.
Address 194 to listen, send string.
Address 194 to talk, input data.
If bus timeout,
input again.
Display reading string.
Repeat.
NOTES:
1. If conversion
to numeric variable is required,
modify the program as follows:
2. The PET INPUT# statement terminates on a comma. Thus, when reading Model 194 command
strings which include commas, you should input each portion of the sting into a separate string
variable. For example, in the G2 (default) mode, to obtain and display the channel number,
the program above can be modified
as follows:
C-8
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