Quality Codes For Process Values - Siemens SITRANS F Coriolis FCT030 Function Manual

MODBUS commands
4.10 Modbus holding registers tables
Manual zero point adjustment
In case an automatic zero point adjustment cannot be performed, it is possible to do a manual
zero point adjustment by entering the zero point offset value.
1. Select Modbus address 2132 Zero Point Adjustment and set the value to 1 = Manual Zero
Point Adjustment.
2. Select Modbus address 2133 Manual Zero Point Offset and enter the desired offset value.
4.10.5.5

Quality codes for process values

Table 4-15 Quality codes for process value
Modbus Data type /
register Size in bytes
7409 Unsigned / 2
7509 Unsigned / 2
64
Parameter Description
Mass flow sta‐ Quality sta‐
tus tus code of
the process
value Mass
flow
Volume flow Quality sta‐
status tus code of
the process
value Vol‐
ume flow
Default value Value range /
[units] Setting options
(units register)
● Limit status bit 4 & 5:
● 11: Constant
● 01: Low limited
● 10: High limited
● 00: Not limited
● Process data status bit 6 & 7:
● 11: Good
● 01: Poor Accuracy
● 10: Manual / Fixed
● 00: Bad
● Limit status bit 4 & 5:
● 11: Constant
● 01: Low limited
● 10: High limited
● 00: Not limited
● Process data status bit 6 & 7:
● 11: Good
● 01: Poor Accuracy
● 10: Manual / Fixed
● 00: Bad
Function Manual, 06/2018, A5E39931813-AB
Access
level
Read
only
Read
only
FCT030 Modbus (From firmware 4.0)