Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual Table of Contents
6482-901-01 Rev. A / August 2012 5
Sending and receiving data.............................................................. 12-13
Baud rate.......................................................................................... 12-14
Data bits and parity........................................................................... 12-14
Terminator ........................................................................................ 12-14
Flow control (signal handshaking).................................................... 12-14
RS-232 connections......................................................................... 12-14
Error messages................................................................................ 12-15
13 Status Structure ................................................................................... 13-1
Overview................................................................................................... 13-2
Status byte and SRQ.......................................................................... 13-2
Status register sets............................................................................. 13-2
Queues............................................................................................... 13-2
Clearing registers and queues.................................................................. 13-3
Programming and reading registers.......................................................... 13-4
Programming enable registers ........................................................... 13-4
Reading registers ............................................................................... 13-5
Status byte and service request (SRQ)..................................................... 13-6
Status byte register............................................................................. 13-7
Service request enable register.......................................................... 13-8
Serial polling and SRQ ....................................................................... 13-8
Status byte and service request commands....................................... 13-8
Status register sets ................................................................................... 13-9
Register bit descriptions ..................................................................... 13-9
Condition registers ........................................................................... 13-15
Event registers ................................................................................. 13-15
Event enable registers...................................................................... 13-15
Queues ................................................................................................... 13-16
Output queue.................................................................................... 13-17
Error queue ...................................................................................... 13-17
14 Common Commands.......................................................................... 14-1
Command summary.................................................................................. 14-2
Command reference ................................................................................. 14-2
*IDN? — Identification query.............................................................. 14-2
*OPC — Operation complete ............................................................. 14-2
*OPC? — Operation complete query ................................................. 14-3
*OPT? — Option query....................................................................... 14-3
*SAV <NRf> — Save setup ................................................................ 14-3
*RCL <NRf> — Recall setup .............................................................. 14-3
*RST — Reset.................................................................................... 14-4
*TRG — Trigger.................................................................................. 14-4
*TST? — Self-test query .................................................................... 14-5
*WAI — Wait-to-continue.................................................................... 14-5
15 SCPI Measurement Commands ....................................................... 15-1
Command summary.................................................................................. 15-2
Configuring measurement function........................................................... 15-2
CONFigure:CURRent[:DC]................................................................. 15-2
Acquiring readings .................................................................................... 15-3
FETCh?.............................................................................................. 15-3
DATA[:LATest]?................................................................................... 15-3
READ? ............................................................................................... 15-4
MEASure[:CURRent[:DC]]? ............................................................... 15-4
16 SCPI Command Reference................................................................ 16-1
Reference tables....................................................................................... 16-2
Calculate subsystems............................................................................. 16-16
CALCulate[1] and CALCulate2 ............................................................... 16-17
Select math function......................................................................... 16-17
Set MX + B parameters.................................................................... 16-17
Enable and read math function result............................................... 16-18
CALCulate3 and CALCulate4 ................................................................. 16-19
Select input path............................................................................... 16-19