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4.5 Command
Summary
This section provides a listing of the interface commands.
4.5.1 Common
Commands
The following commands and queries are specified in both IEEE 488.2 and SCPI-99.
*CLS
Command Format
*CLS
Remarks
Clears status data structures and forces the device in to Operation Complete Com-
mand Idle State and the Operation Complete Query Idle State. If the Clear Status
command immediately follows a <PROGRAM MESSAGE TERMINATOR>, the output
queue and the MAV bit will be cleared because any new <PROGRAM MESSAGE> after a
<PROGRAM MESSAGE TERMINATOR> clears the Output Queue.
The table below explains the resetting actions of *CLS as they relate to other reset
commands.
*ESE
Command Format
*ESE <decimal numeric program data>
Parameter
<decimal numeric program data> 0 - 255
Example
*ESE 32
Remarks
Sets the standard event status enable register bits. The parameter, when rounded to
an integer value and expressed in base 2, represents the bit values of the standard
event status enable register.
An out-of-range parameter will cause an execution error.
*ESE?
Query Format
*ESE?
Remarks
Returns the current contents of the standard event status enable bits. The returned
value is defined as a <NR1 NUMERIC RESPONSE DATA> element in the range of 0 –
255. The integer value expressed in base 2 represents the bit values of the standard
event status enable register.
Device functional class
Device functional layer
Device
specific
Device
status
Standard
status
Common
operation
Message
exchange
interface
IEEE 488.1
I.F.
Configuration settings
–
–
–
Current device settings
–
–
–
–
Device states
–
+
+
–
Operation modes
–
Memorized device settings
–
–
Protected settings
–
–
Power-on reset flags
–
–
Macros
–
–
Device events
+
+
–
+ Function not affected by *CLS
– Function affected by *CLS
<no_entry> not applicable
