REMOTE PROGRAMMING
4-13
exit (0);
}
ibwrt (lcr, "*RST", 4L); /* reset LCR meter */
ibwrt (lcr, "MMOD1;PMOD3;FREQ0", 17L); /* set triggered mode, measure C+D, Freq = 100 Hz */
ibwrt (lcr, "outf1", 5L); /* concise ASCII output format */
ibwrt (lcr, "BIAS1", 5L); /* turn internal bias on - it may be necessary to wait for
the capacitor to charge up here when measuring large
capacitors */
ibwrt (lcr, "STRT;*WAI;XALL?", 15L); /* take a measurement, wait until finished, and get back
the data. */
printf ("Capacitance (uf) Dissipation\n");
ibrd (lcr, string, 80L); /* get return string from LCR. */
string[ibcnt] = 0; /* terminate received string. */
sscanf (string, "%lf,%lf,%d", &cmeas, &dissp, &bin); /* get C and Dissipation */
/* ( bin value not used) */
printf ("%7.5e %7.5e\n", cmeas*1.e6, dissp); /* and print out results */
ibwrt (lcr, "BIAS0", 5L); /* turn off bias */
}
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