Using the Subsystems

Questionable Data/Signal

 

 

Bit 10 (weight 1024) — Timeout for

Status Group

 

 

 

 

 

 

 

 

 

 

 

Measurement (TIO)

This group reports when the output data

The counter sets this bit true when it

from the CNT-8X may not be trusted.

abandons the measurement because the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

internal timeout has elapsed, or no signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

has been detected.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See

also

:SYST:TOUT and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

:SYST:SDET.

 

Q u e s t i o n a b l e

D a t a / S i g n a l S t a t u s

G r o

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 8 (weight 256) Overflow (OFL)

 

 

 

 

 

S T A T : Q U E S t : C O N D ?

 

 

 

 

 

 

S T A T : Q U E S ?

 

 

The counter sets this bit true when it can-

 

 

 

U E

 

 

T I O

 

O F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

not complete the measurement due to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1541

 

 

08

 

 

 

 

0

 

 

 

 

 

 

 

 

overflow.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 6

3 8 4

1 0 2 4

 

2

5 6

 

 

 

 

￿ Summary,

Questionable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U n e x p e c

t e d O v e r f lo w

Data/Signal Status Reporting

 

p a r a m e t

e r

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T im e o u t f o r m e a s u r e m e n t

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

:STAT:QUES:ENAB <bit mask>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enable

reporting of Questionable

 

Figure 6-12Bits in Questionable data

 

data/signal status in the status byte.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

register.

Bit 14 (weight 16384) — Unexpected Parameter (UEP)

This bit shows that CNT-8X has received a parameter that it cannot execute, al- though the parameter is valid according to SCPI. This means that when this bit is true, the instrument has not performed a measurement exactly as requested.

*SRE 8

Enable SRQ when data/signal is ques- tionable.

:STAT:QUES?

Reading and clearing the event register of the Questionable data/signal Register structure.

:STAT:QUES:COND?

Reading the condition register of Ques- tionable data/signal Register structure.

6-24 Status Subsystem

Page 92
Image 92
Fluke PM6681R, PM6685R manual Questionable Data/Signal, Status Group, Summary Questionable, Data/Signal Status Reporting