Note
Limit bits can only be clearly evaluated in combination with the quality information!
Status byte combinations
The following combinations of the values of the status bytes described above are possible in
normal operation (i.e. when the input value of the function block concerned incl. status is not
simulated:
Table B-7
Valid combinations of the status byte
Meaning substatus
applies to
Value hex
quality
limits
flow
total net total
total
1F
bad
out of service
constant
X
0F
bad
device failure
constant
X
0C
bad
device failure
O.K.
X
X
X
11
bad
sensor not connected
constant
X
X
X
07
bad
configuration error
constant
X
X
X
X
00
bad
non specific
O.K
X
X
X
X
52
uncertain
sensor conversion not accurate
high limited
X
X
X
X
51
uncertain
sensor conversion not accurate
low limited
X
X
X
X
4F
uncertain
initial value
constant
X
4B
uncertain
substitute set
constant
X
47
uncertain
last usable value
constant
X
8E
good
active critical alarm
High limited
X
X
X
X
8D
good
active critical alarm
low limited
X
X
X
X
8A
good
active advisory alarm
high limited
X
X
X
X
89
good
active advisory alarm
low limited
X
X
X
X
84
good
active update event
O.K.
X
X
X
X
80
good
O.K.
O.K.
X
X
X
X
Note
The status conditions have decreasing priority from top to bottom. If several status conditions
are fulfilled, the current status with the highest priority will be signaled.
PROFIBUS communication
B.4 Status bytes
SITRANS FUS060 with PROFIBUS PA
Operating Instructions, 09/2021, A5E02225054-AD
93