Rigol DP800 Series 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 DP800 Series Specifications

General

Voltage Resolution	1 mV
Current Resolution	1 mA
Overvoltage Protection (OVP)	Yes
Overcurrent Protection (OCP)	Yes
Operating Temperature	0°C to 40°C
Load Regulation (CV)	±(0.01% + 2mV)
Load Regulation (CC)	±(0.02% + 2mA)
Line Regulation (CV)	±(0.01% + 2mV)
Display	LCD
Interface	USB
Protections	OVP, OCP
Remote Control	Yes
Storage Temperature	-20°C to 60°C
Number of Channels	3 (DP831A, DP832, DP832A), 2 (DP821, DP821A)
Output Voltage Range	0-30V (CH1), 0-30V (CH2), 0-5V (CH3 for DP831A/DP832/DP832A), 0-30V (CH1), 0-5V (CH2) (DP821/DP821A)
Output Current Range	0-3A (CH1), 0-3A (CH2), 0-3A (CH3 for DP831A/DP832/DP832A), 0-3A (CH1), 0-3A (CH2) (DP821/DP821A)
Total Power	195W (DP831A, DP832, DP832A), 160W (DP821, DP821A)
Output Power	90W (CH1), 90W (CH2), 15W (CH3 for DP831A/DP832/DP832A), 90W (CH1), 70W (CH2) (DP821/DP821A)
Current Accuracy	±(0.1% + 2mA)