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Make sure that the initial reading is printed.
140 START = 1: XT = 0
Request and receive of an input message from the CL521.
150 PRINT #1, "PI FO"
155 WHILE LOC(1) < 20
158 WEND
160 L$ = INPUT$(20, #1)
Get the measure value from the reading.
170 T = VAL(MiD$(L$. 10. 8))
if the temperature is changed 1/2 degrees or more, the time and the temperature is
'
printed.
180 iP ABS(T - XT) < .5 AND START = 0 THEN GOTO 150
190 LPRiNT TiME$: USiNG "#####.# C"; T
200 XT = T: START = 0
'
Next measurement
210 GOTO 150
The RS232 cable connection between the CL521 and 25 pins IBM PC computer;
CL521
IBM PC
pin
pin
2
-^-
3
3 -<- 2
— 5
7 - 7
1—20
The RS232 cable connection between CL521 and 9 pins IBM AT computer:
CL521
IBM AT
pin
pin
2
-^-
2
3 -
3
1—5
7 - 5
1-20
35.2
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