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6.5
Reading, Writing and Clearing Status Registers
(2)
Clearing and resetting methods
The table below shows clearing and resetting methods of status registers and the range of their effects.
Table
6-8
Clearing and Resetting Methods
of
Status Registers
1
*RST
Register
Standard event status
No change No change Clear No change Execution of *ESE
0
enable register
Status byte register
1
No change
Service request
1
No change
Reading of events by
SCPI event register No change Clear Clear No change
:
STATUS
:
...
:
EVENt? to
clear the status register
*CLS
Clear
No change
Power
Source
ON
#
I
SCPI enable register
!
No change
I
1
Reading of all the events
Enorievent queue No change
1
Clear
1
Clear No change
1
bv
:
SYSTeni
:
ERRor?
Clear
Clear
NOTES
:
STATUS: PRESet
No change
Execution of the
,
1.
The SCPI event register, SCPI enable register and SCPI transition filter correspond to the event register, enable
register and transition filter
in
the status registers specified by SCPI and device-specific status registers.
Other Clearing
Methods
No change
No change
No change
SCPI Transition filter
2.
Cleared (or reset) when the power source is switched ON with the *PSC (Power-ON Status Clear) flag set as
true by the common PSC command.
Execution of *SRE
0
Reset
No change
The table below shows the reset values of registers influenced by the
:
STATus
:
PRESet command.
Reset
Reset
1
:
ST.ATus
:
...
:
PTRansition
O
Reset
I
;
:
STATus
:
...
:
NTRansition
0
Execution of
:
STATus
:
...
:
ENABle
0
Reaister
0
EnableIFilter
I
Reset Value
1
OPERational status register
QUEStionable status register
ALL
1
ALL
1
ALL
0
INSTrument status register
Enable register
PTRansition filter
NTRansition filter
Enable register
PTRansition filter
NTRansition filter
ALL
0
ALL
1
ALI*
0
Other status registers
Enable register
PTRansitinn filter
NTRansition filter
ALL
l
ALL
1
ALL
1