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110START=1
120 PRINT#2,"P1F0"
130 1NPUT#1,L$
140T=VAL{MID$(L$,10,8))
150 IF (ABS(T-XT)=>0.5)
OR {START=1)THEN
LPR1NTTIME$;:LPRINT
USING"#####.# C";T
160 START=0:XT=;GOTO 120
Next measurement
The output of the example program could be the following:
09:28:12
124.3C
09:28:45
124.8 C
09:29:03
125.2 C
The computer commands to the CL521 may be series connected in strings as written in
the example program. The maximum length of a command string is 20 characters. The
execution of the commands is started only after the entire string is received. The CL521
notices the end of the string after receiving a CR code (the CR code is automatically sent
after the string when using the PRINT# statement without a semicolon at the end).
If several commands are sent using separate PRINT# statements, a proper delay is
needed between the commands to give the CL521 time to execute the earlier
commands.
No other commands can be series connected to the same command string after a V
command.
The special function commands SI to S5 can be used when the CL521 is in the
MEASUREMENT mode. Return to normal measurement is done with the SO command.
For example, a reference junction temperature message is requested with the command
string S5P1S0. However, the command S5 can also be used in the CALIBRATION
mode, in the CALIBRATION mode, the reference junction temperature message is
requested with the command string S5P1, and the reading is displayed until the next V
command is received.
Instead of the upper case command characters, the respective lower case characters
can also be used.
Make sure that the initial reading
is printed.
Request and receipt of an
input message from the CL521
Separation of the reading
If the temperature is changed 1/2 degree
or more, the time and the temperature
are printed
35
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