Device Functions Proline Promass 83 MODBUS RS485 10 Block SPECIAL FUNCTION
Endress+Hauser 163
10.3.9 Function group OPERATING FREQUENCY FLUCTUATION
SPECIAL FUNCTION H
→
DENSITY FUNCTIONS HAA
↓
BATCHING FUNCTION HCA
↓
ADVANCED DIAGNOSTICS HEA
→
CONFIGURATION
740
↓
ACQUISITION 741
↓
MASS FLOW 742
↓
DENSITY 743
↓
REFERENCE DENSITY 744
↓
TEMPERATURE 745
↓
TUBE DAMPING 746
↓
ELECTRODYNAMIC
SENSORS
747
↓
OPERATING FREQUENCY
FLUCTUATION
748
Function description
SPECIAL FUNCTION → ADVANCED DIAGNOSTICS → FREQU. FLUCTUATION
REFERENCE VALUE
MODBUS register:
Data type:
Access:
7480
See Note
Float
read
The reference value for the fluctuation of the operating frequency appears on the
display.
User interface:
5-digit floating-point number, Hz
! Note for MODBUS!
Depends on the option selected in the function SELECT REFERENCE
CONDITION:
•Option = FACTORY → MODBUS register = 6713
•Option = USER → MODBUS register = 6715
ACTUAL VALUE
MODBUS register:
Data type:
Access:
7481
6717
Float
read
The measured fluctuation in the operating frequency appears on the display.
User interface:
5-digit floating-point number, Hz
MINIMUM VALUE
MODBUS register:
Data type:
Access:
7482
6719
Float
read
The lowest value of the operating frequency fluctuation since the saved values
were last reset appears on the display.
User interface:
5-digit floating-point number, Hz
MAXIMUM
VALUE
MODBUS register:
Data type:
Access:
7483
6721
Float
read
The highest value of the operating frequency fluctuation since the saved values
were last reset appears on the display.
User interface:
5-digit floating-point number, Hz
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