28
The following diagram shows how the registers are related to each other. These registers indicate device
status, and allow the programmer to specify which device events will enable a service request.
Diagram.
Status
and Event
Registers
6. Command Set
Common command
Commands can be divided into two major categories: common commands and instrument specific
commands. Instrument specific commands are detailed in next section. Common commands are defined
by the standard, and, among other things, are used to manage status registers and synchronization. The
following is a list of common commands as implemented in the instrument
:
Command
Description
*CLS Clear
Status
*ESE (GPIB ONLY)
Standard Event Status Enable
*ESE?
Standard Event Status Enable Query
*ESR?
Standard Event Status Register Query
*IDN? Identification
Query
*OPC Operation
Complete
*OPC?
Operation Complete Query
*RST Reset
*SRE (GPIB ONLY)
Service Request Enable
*SRE?
Service Request Enable Query
*STB?
Status Byte Query
*TRG Trigger
Command
*TST? Self-Test
Query
*WAI Wait-to-Continue
*OPT? System
Option
Query
Verification of Communication
After the PC and the instrument have been connected together and programmed for compatible
interface parameters, the interface should be tested for proper operation. To test the interface, type
the following:
*IDN?
The instrument should identify itself with the following:
Model NO,V.x.xx
(x.xx represents the current firmware revision number.)
1
2
3
4
5
6
7
0
7
6
5
4
3
2
1
0
