Octet
Bit Explanation
Note
25
3)
0 Zero point shift alternating, average value below reference lines
2
1 Attachment between positioner and valve: Travel transmission not optimal (TEST)
2
2 Attachment between positioner and valve: Perhaps loose
2
3 Attachment between positioner and valve: Perhaps working range limited
2
4 Attachment between positioner and valve: Perhaps loose (TEST)
2
5 Working range: Mostly near closing position
2
6 Working range: Mostly near max. opening
2
7 Working range: Mostly closing position
2
26
3)
0 Working range: Mostly max. opening
2
1 Temperature below –40 °C
2
2 Temperature above +80 °C
2
3 Reference test aborted
2
4 ESD: Movement actuator possible
2
5 ESD: Movement actuator not possible
2
6 ESD: Solenoid valve error
2
7 Not assigned
2
1)
Only on using the 'Condensed status und diagnostic messages' profile extension
The following diagnostic alarms indicate the condensed state (refer to section 5.2):
DIA_MAINTENANCE_ALARM:
Maintenance alarm
DIA_MAINTENANCE_DEMAND:
Maintenance demanded
DIA_MAINTENANCE:
Maintenance required
DIA_FUNCTION_CHECK:
Function check
DIA_INV_PRO_COND:
Process-related fault/outside of specification
2)
Diagnostic alarm of the extended EXPERTplus diagnostics
3)
The default setting causes the positioner to provide a manufacturer-specific diagnosis of 26 bytes
and a diagnosis of 14 bytes according to Profile 3.01
KH 8384-4 EN
35
Measured value status and valve diagnostics
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