Status-Byte - ABB CoriolisMaster FCM2000 Schnittstellenbeschreibung

3.7

Status-Byte

Messwerte sind meistens vom Typ Datenstruktur 65 (siehe 2.7.2). Diese Struktur besteht aus dem Value als float-
Zahl und einem Status-Byte. Das Status-Byte setzt sich aus drei Bereichen zusammen:
Bit 7 Bit 6 Bit 5
Quality
Bit 6 und 7
Quality
0: Bad
1: Uncertain
2: Good (Not Cascade)
3: Good (Cascade)
Bit 2 bis 5
Substatus für Quality BAD
0: Non-specific
1: Configuration Error
2: Not Connected
3: Device Failure
4: Sensor Failure
5: No Communication (last usable value)
6: No Communication (no usable value)
7: Out of Service
Substatus für Quality UNCERTAIN
0: Non-specific
1: Last Usable Value
2: Substitute
3: Initial Value
4: Sensor Conversion not Accurate
5: Engineering Unit Range Violation
6: Sub-normal
Substatus für Quality GOOD (Non-Cascade)
0: Non-specific
1: Active Block Alarm
2: Active Advisory Alarm (priority < 8)
3: Active Critical Alarm (priority > 8)
4: Unacknowledged Block Alarm
5: Unacknowledged Advisory Alarm
6: Unacknowledged Critical Alarm
Substatus für Quality GOOD (Cascade)
0: Non-specific
1: Initialisation Acknowledge
2: Initialisation Request
3: Not Invited
4: Not Selected
5: Local Override
6: -
7: Fault State Active
8: Initiate Fault State
Bit 0 und 1
Limits:
0: Not limited
1: Low limited
2: High limited
3: Constant
Bit 4 Bit 3 Bit 2
Quality Substatus
Bit 1 Bit 0
Limits
61