3 Status System
K0472 Revision A
3 - 2
The status system implemented in the instrument is shown in the following diagram:
Note:
Initial values of registers are 0, with the queues empty.
Key:
C
=
Condition - variable values
EV
=
Latched values
EN = Bit
mask
Figure 3-1 Status System
logical
OR
MAV
ESB
OSB
MSS
MAV
ESB
OSB
Status Byte
EN 8 bit
EV
*SRE
STAT:OPER
:ENAB
*STB?
SERIAL POLL
STAT:OPER
:PRES:ENAB 511
Pressure Operations 15 bit
STAT
:OPER
:EVENT?
STAT:OPER
:PRES:ENAB?
Operation Status 16 bit
logical
OR
C
EV
EN
logical
OR
C
EV
EN
Output Queue
Message
Message
Message
Message
SYST:ERR?
*SRE
Error Queue
Error Message
Error Message
Error Message
Error Message
Error Message
logical
OR
QYE
CME
EXE
QYE
CME
EXE
Standard Event
EV
EN 8 bit
*ESR?
*ESE
MSS
EAV
EAV