T H E S T A N D A R D E V E N T R E G I S T E - Agilent Technologies E3633A Operating Manual

Chapter 4 Remote Interface Reference
The SCPI Status Registers
The Standard Event Register
T h e S t a n d a r d E v e n t r e g i s t e r r e p o r t s t h e f o l l o w i n g t y p e s o f i n s t r u m e n t e v e n t s :
p o w e r - o n d e t e c t e d , c o m m a n d s y n t a x e r r o r s , c o m m a n d e x e c u t i o n e r r o r s , s e l f -
t e s t o r c a l i b r a t i o n e r r o r s , q u e r y e r r o r s , o r w h e n a n
A n y o r a l l o f t h e s e c o n d i t i o n s c a n b e r e p o r t e d i n t h e s t a n d a r d e v e n t s u m m a r y
b i t ( E S B , b i t 5 ) o f S t a t u s B y t e r e g i s t e r t h r o u g h t h e e n a b l e r e g i s t e r . T o s e t t h e
e n a b l e r e g i s t e r m a s k , y o u w r i t e a d e c i m a l v a l u e t o t h e r e g i s t e r u s i n g t h e
( E v e n t S t a t u s E n a b l e ) c o m m a n d .
A n e r r o r c o n d i t i o n ( S t a n d a r d E v e n t r e g i s t e r b i t 2 , 3 , 4 , o r 5 ) w i l l a l w a y s
r e c o r d o n e o r m o r e e r r o r s i n t h e p o w e r s u p p l y ' s e r r o r q u e u e . R e a d t h e
e r r o r q u e u e u s i n g t h e
Table 4-4. Bit Definitions – Standard Event Register
Bit Decimal
Value
0 OPC
1
1 Not Used 0
2 QYE
4
3 DDE
8
4 EXE
16
5 CME
32
6 Not Used 0
7 PON
128
*OPC
SYST:ERR?
c o m m a n d .
Definition
Operation Complete. All commands prior to and
*OPC
including an command have been executed.
Always set to 0.
Query Error. The power supply tried to read the output
buffer but it was empty. Or, new command line was
received before a previous query had been read. Or, both
the input and output buffers are full.
Device Error. A self-test or calibration error occurred
(see error numbers 601 through 750 in chapter 5).
Execution Error. An execution error occurred (see error
numbers -211 through -224 in chapter 5).
Command Error. A command syntax error occurred (see
error numbers -101 through -178 in chapter 5).
Always set to 0.
Power On. Power has been turned off and on since the
last time the event register was read or cleared.
c o m m a n d i s e x e c u t e d .
*ESE
93
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