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Status
7
6
Quality
Quality
Grenzwertbit
Additional informa-
tion
7
6
5
4
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
1
0
0
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
1
1
0
1
1
1
1
0
SIPART PS2 PA Manual
A5E00127926--05
The status provides information about the quality of the input or output
value.
The format of the status is always
5
4
Additional information
0: bad
1: uncertain
2: good
3: good (cascade)
0: good
1: lower limit value reached, exceeded or limited to lower limit value
2: upper limit value reached, exceeded or limited to upper limit value
3: value is fixed, no measured value
The additional information depends on the quality.
3
2
1
0
Meaning
0
0
s. a.
bad
1
1
s. a.
device fault
0
0
s. a.
sensor fault
1
1
s. a.
bad, out of service
0
0
s. a.
uncertain
0
1
s. a.
uncertain, last useful value
1
0
s. a.
uncertain, substituted value
1
1
s. a.
uncertain, initial value
0
0
s. a.
good
0
1
s. a.
good, active block alarm (change of parameters)
0
0
s. a.
good, go into failsafe position (command)
0
0
s. a.
good (cascade)
0
1
s. a.
good (cascade), initialization confirmed
1
0
s. a.
good (cascade), initialization requested
1
1
s. a.
good (cascade), not requested
1
0
s. a.
good (cascade), local operation has priority
1
1
s. a.
good (cascade), device is in failsafe position
0
0
s. a.
good (cascade), go into failsafe position (command)
Functions/operation via PROFIBUS PA
3
2
1
0
Limit value bits
143
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