3 status data, Operation – KROHNE OPTIWAVE 6300C PROFIBUS PA User Manual
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OPERATION
8
OPTIWAVE 6300 C
www.krohne.com
02/2010 - 4000621201 - AD PROFIBUS PA OPTIWAVE 6300
4.1.3 Status data
A measurement value has a 4-byte value and a 1-byte status. Status data is given in the table
that follows:
Status data
CAUTION!
Monitor the status of the device. The device transmits a measurement value when the device
status is "good", "uncertain" or "bad". The status will tell you if the device measures correctly.
Quality
Quality-Substatus
Limits
General
Gr
Gr
QS
QS
QS
QS
Qu
Qu
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
0
0
= bad
0
1
= uncertain
1
0
= good (non Cascade)
Status = bad
0
0
0
0
0
1
= configuration error
0
0
0
0
1
1
= device failure
0
0
0
1
0
0
= sensor failure
0
0
0
1
1
1
= out of service
Status = uncertain
0
1
0
0
0
1
= last usable value
0
1
0
1
1
0
= sub-normal
1
Status = Good / limits
1
0
0
0
1
0
0
0
= Good - no alarm
1
0
0
0
1
0
0
1
= Good - below low limit
1
0
0
0
1
0
1
0
= Good - above high limit
1
0
0
0
1
1
0
1
= Good - Lo-Lo
1
0
0
0
1
1
1
0
= Good - Hi-Hi
1
0
0
0
1
0
1
1
= Constant output
1
0
1
0
0
1
= maintenance required
1 if it is possble that the value is not accurate (for example, the spectrum quality is not sufficient to get a good signal),
this status is shown