Z-World XP8600 - Page 63

XP8900 Software Reference s 63
XP89_1.C
#use eziocmmn.lib
/* #use ezioplc.lib // for BL1200, BL1600, PK2100, PK2200 */
/* #use eziotgpl.lib // for BL1000 */
/* #use eziolqpl.lib // for BL1100 */
/* #use eziomgpl.lib // for Bl1400 & BL1500 */
/* #use eziobl17.lib // for BL1700 */
/* #use ezioplc2.lib // for BL1700 */
main() {
auto int i;
auto struct _eioAdcCalib c;
auto int channel;
auto float f1, f2, fout;
auto long l;
auto int margin;
channel = 0; // execute watch expression
// to override
margin = 0x40; // execute watch expression
// to override
plcBusReset();
if (plcXP89Init(channel / 8)) {
printf(“DAC8 board not found\n”);
} else {
plcXP89Sw(channel / 8,1);
// enable voltage reference
plcXP89Out(channel,margin);
// use meter to record level
f1 = 10; // use watch expr to override
plcXP89Out(channel,0xfff-margin);
// use meter to record level
f2 = -10; // use watch expr to override
eioAdcMakeCoeff(&c,margin,0xfff-margin,f1,f2);
if (plcXP89WrCalib(channel,&c)) {
printf("Can’t write calibration constant\n");
}
memset(&c,0,sizeof(struct _eioAdcCalib));
if (plcXP89RdCalib(channel,&c)) {
printf("Can’t read calibration constant\n");
}
fout = 2.345; // use watch expr to override
l = eioAdcDigitize(fout, &c);
plcXP89Out(channel,(unsigned)l);
// use meter to check voltage now
}
}