Keithley 2100 User Manual

B-36 Return to Section Topics 2100-900-01 Rev. D / September 2011
Appendix B: Remote Interface Reference Model 2100 6 1/2-Digit Resolution Digital Multimeter User’s Manual
NOTE This example depends on the presence of VISA include files. These files are available by
downloading this example from www.keithley.com or by installing the full development
version of VISA.
The DEVQUERY function.
// devquery.cpp : Defines the entry point for the console application.
//
// Call the NI-VISA library visa32.dll
//
//
#include "stdafx.h"
#include "visa.h"
//standard include for a Microsoft Visual C++ project
#include "stdio.h"
#include "windows.h"
void main(int argc, char* argv[])
{
// TODO: Add your control notification handler code here
HINSTANCE hUSBTMCLIB; // for USBTMC HANDLE
unsigned long m_defaultRM_usbtmc, m_instr_usbtmc;
unsigned long m_findList_usbtmc;
unsigned long m_nCount;
ViStatus status;
int m_Timeout = 7000;
char *pStrout; // Write out data buffer
BYTE pStrin[64]; // Read in data buffer
int len;
ULONG nWritten;
ULONG nRead = 0;
char buffer[256];
char instrDescriptor[256];
// Load the NI-VISA library for USBTMC device
hUSBTMCLIB = LoadLibrary ("visa32.dll");
if (!hUSBTMCLIB)
{
MessageBox(NULL, "NIVISA for USBTMC library not found.", "2100 multimeter
device test", MB_OK);
return;
}
// Link the libraries
signed long (__stdcall *PviOpenDefaultRM_usb)(unsigned long *vi);
signed long (__stdcall *PviFindRsrc_usb)(unsigned long sesn, char *expr,
unsigned long *vi, unsigned long *retCnt, char far desc[]);
signed long (__stdcall *PviOpen_usb)(unsigned long sesn, char *name,
unsigned long mode, unsigned long timeout, unsigned long *vi);
signed long (__stdcall *PviClose_usb)(unsigned long vi);
signed long (__stdcall *PviWrite_usb)(unsigned long vi, unsigned char *name,
unsigned long len, unsigned long *retval);
signed long (__stdcall *PviRead_usb)(unsigned long vi, unsigned char *name,
unsigned long len, unsigned long *retval);
signed long (__stdcall *PviSetAttribute_usb)(unsigned long vi, unsigned long
viAttr, unsigned long attrstat);

Keithley 2100 Specifications

General

DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Continuity	Yes
Diode Test	Yes
Frequency Range	3 Hz to 300 kHz
DC Voltage Accuracy	0.0035%
DC Current Range	100 µA to 10 A
DC Current Accuracy	0.05%
AC Current Range	100 µA to 10 A
Frequency Accuracy	0.01%
Capacitance Range	1 nF to 10 mF
Temperature Range	-200 °C
Connectivity	RS-232
Type	6.5-digit digital multimeter