Rigol DP832 Programming Guide

RIGOL Chapter 4 Programming Demos
4-16 DP800 Programming Guide
6 Encapsulate the write and read operations of VISA.
1) Encapsulate the write operation of VISA for easier operation.
bool CDP800_DEMO_VCDlg::InstrWrite(CString strAddr, CString strContent) //write function
{
ViSession defaultRM,instr;
ViStatus status;
ViUInt32 retCount;
char * SendBuf = NULL;
char * SendAddr = NULL;
bool bWriteOK = false;
CString str;
//Change the address's data style from CString to char*
SendAddr = strAddr.GetBuffer(strAddr.GetLength());
strcpy(SendAddr,strAddr);
strAddr.ReleaseBuffer();
//Change the command's data style from CString to char*
SendBuf = strContent.GetBuffer(strContent.GetLength());
strcpy(SendBuf,strContent);
strContent.ReleaseBuffer();
//open the VISA instrument
status = viOpenDefaultRM(&defaultRM);
if (status < VI_SUCCESS)
{
AfxMessageBox("No VISA instrument was opened !");
return false;
}
status = viOpen(defaultRM, SendAddr, VI_NULL, VI_NULL, &instr);
//write command to the instrument

Rigol DP832 Specifications

General

Number of Outputs	3
Output Voltage Range CH1/CH2	0-30V
Output Voltage Range CH3	0-5V
Output Current Range CH1/CH2	0-3A
Output Current Range CH3	0-3A
Total Power	195 W
Power per Channel CH1/CH2	90 W
Power per Channel CH3	15 W
Voltage Resolution	1 mV
Current Resolution	1 mA
Interfaces	USB, RS232
Display	3.5 inch TFT LCD