Programming the VT1422A for Data Acquisition and Control 143Chapter 4
QUESTIONABLE DATA GROUP
STATus:QUEStionable:CONDition? (read only)
STATus:QUEStionable:NTR andSTATus:QUEStionable:PTR (setfilters)
STATus:QUEStionable:EVENt? (reads/clearsregister)
STATus:QUEStionable:ENABle (setsmask)
Condition
(real time)
Filter
Event
(latched)
Enable
(1=enable)
Lost Calibration
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
OPERATION STATUS GROUP
STATus:OPERation:CONDition? (readsregister)
STATus:OPERation:NTR andSTATus:OPERation:PTR (setfilters)
STATus:OPERation:EVENt? (reads/clearsregister)
STATus:OPERation:ENABle (setsmask)
Condition
(real time)
Filter
Event
(latched)
Enable
(1=enable)
TriggerTooFast
FIFO Overflowed
Overvoltage
VME MemoryOverflow
SetupChanged
Calibrating
Measuring
ScanComplete
SCP Trigger
FIFOHalfFull
Algorithm Interrupt
Output
Queue
Not
Empty
STATUS BYTE GROUP
Summary
(real time)
Enable
(1=enable)
0
1
2
QUE
MAV
ESB
RQS
OPR
*STB?
SPOLL
*SRE <mask_value>
*SRE?
STANDARD EVENT GROUP
Event
(latched)
Enable
(1=enable)
*ESR?
*ESE<mask_value>
*ESE?
0
1
2
3
4
5
6
7
(SRQ)
Operation Complete
RequestControl
QueryError
DeviceDependentError
Execution Error
CommandError
Userrequest
Power-On
QUE -QuestionableData
MAV-MessageAvailable
ESB -StandardEvent
RQS -RequestService
OPR-OperationStatus
SummaryBit
SummaryBit
SummaryBit
SummaryBit
Logical OR
Logical OR
Logical OR
Logical OR
Figure 4-10. VT1422A Status System