Byte n
Bit
Bit
Bit
Bit
Bit
Bit
Bit
4
7
6
5
3
2
1
2
VZ
2
7
2
6
5
2
4
2
3
2
Sign
Exponent
Bit
(Exponent - 127)
VZ
Value = (-1)
2
Fig. 36: Dataformaat van de meetwaarde
Codering van de statusbyte bij PA-uitgangswaarde
Status-
Beschrijving conform Profi-
code
busnorm.
0 x 00
bad - non-specific
0 x 04
bad - configuration error
0 x 0C
bad - sensor failure
0 x 10
bad - sensor failure
0 x 1f
bad - out of service constant
0 x 44
uncertain - last unstable value
0 x 48
uncertain substitute set
0 x 4c
uncertain - initial value
0 x 51
uncertain - sensor; conversion
not accurate - low limited
0 x 52
uncertain - sensor; conversion
not accurate - high limited
0 x 80
good (non-cascade) - OK
0 x 84
good (non-cascade) - active
block alarm
0 x 89
good (non-cascade) - active ad-
visory alarm - low limited
0 x 8a
good (non-cascade) - active ad-
visory alarm - high limited
0 x 8d
good (non-cascade) - active cri-
tical alarm - low limited
0 x 8e
good (non-cascade) - active cri-
tical alarm - high limited
VEGASON 62 • Profibus PA
Byte n+1
Bit
Bit
Bit
Bit
Bit
Bit
Bit
0
4
7
6
5
3
2
2
0
2
2
-2
2
-3
2
-4
2
1
-1
Significant
(1 + Significant)
Mogelijke oorzaak
Flash-Update actief
– Inregelfout
– Configuratiefout bij PV-Scale (PV-Span too small)
– Maateenheid onjuist
– Fout in de lineariseringstabel
– Hardware-fout
– Omvormerfout
– Lekpulsfout
– Triggerfout
– Fout meetwaardeverzameling
– Fout temperatuurmeting
"Out of Service"-modus ingeschakeld
Failsafe-vervangingswaarde (Failsafe-modus = "Last value" en al
geldige meetwaarde sinds inschakeling)
– Simulatie inschakelen
– Failsafe-vervangingswaarde (Failsafe-modus = "Fsafe value")
Failsafe-vervangingswaarde (Failsafe-modus = "Last valid value"
en nog geen geldige meetwaarde sinds inschakeling)
Sensorwaarde < onderste grens
Sensorwaarde > bovenste grens
OK
Static revision (FB, TB) changed (10 sec lang actief, nadat para-
meters van de static-categorie werden geschreven)
Lo-Alarm
Hi-Alarm
Lo-Lo-Alarm
Hi-Hi-Alarm
Byte n+2
Bit
Bit
Bit
Bit
Bit
Bit
4
7
6
5
0
2
1
2
2
-9
2
-10 -11 -12 -13 -14 -15 -16 -17
2
2
2
-6
2
-7
-8
-5
Significant
Bit
Bit
Bit
Bit
Bit
Bit
Bit
0
3
2
1
7
6
5
2
2
2
2
2
-18 -19 -20 -21 -22 -23
2
2
10 Bijlage
Byte n+3
Bit
Bit
Bit
Bit
Bit
4
3
2
1
0
2
2
2
2
2
Significant
61