User Manual
Series 2200 Programmable DC Power Supplies Reference Manual  Section 4: Command reference 
2200S-901-01 Rev. A/November 2011  4-47 
SendSCPI("VOLTAGE 0V"); //set the voltage to 0V 
SendSCPI("OUTPUT 1"); // turn output on 
SendSCPI("TRIGGER:SOURCE BUS"); //set trigger source to bus 
/* configure the list*/ 
SendSCPI("LIST:MODE CONT"); //set the list mode to 
continuous 
ErrorStatus = viPrintf(PWS4000,"LIST:COUNT 
%d\n",List_count); //set the list count 
CheckError("Unable to set list count"); 
ErrorStatus = viPrintf(PWS4000,"LIST:STEP %d\n",List_step); 
//set the list step 
CheckError("Unable to set list step"); 
/*set the list voltage, current and time */ 
for(i = 1; i<= List_step; i+=1) 
{ 
ErrorStatus = viPrintf(PWS4000,"LIST:CURRent %d, %f\n", i, 
List_Curr[i-1]); //set the step current 
CheckError("Unable to set list current"); 
ErrorStatus = viPrintf(PWS4000,"LIST:VOLTage %d, %f\n", 
i, List_Volt[i-1]); //set the step voltage 
CheckError("Unable to set list voltage"); 
ErrorStatus = viPrintf(PWS4000,"LIST:WIDTH %d, %f\n", i, 
List_Time[i-1]); //set the output voltage 
CheckError("Unable to set list time"); 
} 
SendSCPI("LIST:SAVE 1"); // save the list 
SendSCPI("FUNCTION:MODE LIST"); // set the power supply in 
list mode 
SendSCPI("TRIGGER"); // trigger the list 
printf("List is running\n"); 
/*Check the state of bit 5 of the Operation Condition 
Register to determine if list is still running. */ 
do 
{ 
delay(500); 
ErrorStatus = viPrintf(PWS4000, 
"STATus:OPERation:CONDition?\n"); 
CheckError("Unable to write the device"); 
ErrorStatus = viScanf(PWS4000,"%d",&OPERreg); 
} while (OPERreg & 0x20); 
printf("List finished\n"); 
ClosePort(); 
while(1); //return 0; 
} 
void OpenPort() 
{ 
//Open communication session with the power supply 
ErrorStatus = viOpenDefaultRM(& defaultRM); 
ErrorStatus =viOpen(defaultRM, 
"USB0::0X0699::0X0391::006002206573001001::INSTR",0,0,&PWS4000); 
CheckError("Unable to open the port"); 
SendSCPI("SYSTEM:REMOTE"); 
} 
void SendSCPI(char* pString) 
{ 
char* pdest; 
strcpy(commandString,pString); 










