VXi VT1422A User Manual
Programming the VT1422A for Data Acquisition and Control 143
Q U E S T IO N A B LE D ATA G R O U P
STATus:Q U EStionable:C O N D ition?
(read only)
STATus:Q U EStionable:N T R and STATus:Q U EStionable:P T R
(set filters)
STATus:Q U EStionable:EVEN t?
(reads/clears register)
STATus:Q U EStionable:EN ABle
(sets m ask)
Condition
(real tim e)
Filter
Event
(latched)
Enable
(1=enable)
Lost C alibration
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
1 3
1 4
15
O P E R AT IO N S TAT U S G R O U P
STATus:O PER ation:C O N D ition?
(reads register)
STATus:O PER ation:N T R and STATus:O PERation:PT R
(set filters)
S TATus:O PE Ration:EVEN t?
(reads/clears register)
STATus:O PER ation:EN ABle
(sets m ask)
Condition
(real tim e)
Filter
Event
(latched)
Enable
(1=enable)
Trigger Too Fast
F IFO O verflowed
O vervoltage
VM E M em ory O verflow
Setup C hanged
C alibrating
M easuring
Scan Com plete
SC P Trigger
F IF O H alf Full
Algorithm Interrupt
O utput
Q ueue
N ot
Em pty
Q ueue
N ot
Em pty
S TAT U S B YT E G R O U P
Sum m ary
(real tim e)
Enable
(1=enable)
0
1
2
Q U E
M AV
ESB
R Q S
O PR
*ST B?
SPO LL
*SR E <m ask_value>
*SR E?
*SR E?
S TA N D A R D E V E N T G R O U P
Event
(latched)
Enable
(1=enable)
*ESR ?
*E SE <m ask_value>
*E SE?
*E SE?
0
1
2
3
4
5
6
7
(SR Q )
O peration C om plete
R equest C ontrol
Q uery Error
D evice D ependent Error
Execution Error
C om m and Error
User request
Power-O n
Q UE - Q uestionable D ata
M AV - M essage Available
ESB - Standard Event
R Q S - R equest Service
O PR - O peration Status
M AV - M essage Available
ESB - Standard Event
R Q S - R equest Service
O PR - O peration Status
S um m ary Bit
Sum m ary Bit
Sum m ary Bit
Sum m ary Bit
Logical O
R
Logical O
R
Logical O
R
Logical O
R
Figure 4-10. VT1422A Status System