Commissioning Proline Prosonic Flow 91
44 Endress+Hauser
5. Using the local display, select the "ZERO POINT ADJUSTMENT" function in the function
matrix:
HOME → F → R → PROCESS PARAMETER
PROCESS PARAMETER → F → R → ZERO POINT ADJ.
6. When you press OS you are automatically prompted to enter the code if the function matrix is
still disabled. Enter the code.
7. Use OS to select START and press F to confirm.
Select YES at the prompt and press F again to confirm. Zero point adjustment now starts.
– The message "ZEROPOINT ADJUST RUNNING" appears on the display for 30 to 60 seconds
while adjustment is in progress.
– If the fluid velocity in the pipe exceeds 0.1 m/s, the following error message appears on the
display: ZERO ADJUST NOT POSSIBLE.
– When the zero point adjustment is completed, the "ZERO ADJUST." function reappears on
the display.
8. Back to the HOME position
– Press and hold down Esc key (X) for more than 3 seconds
– Repeatedly press and release the Esc key (X).
6.5 Data storage devices
At Endress+Hauser, the term HistoROM refers to various types of data storage modules on which
process and measuring device data are stored. By plugging and unplugging such modules, device
configurations can be duplicated onto other measuring devices to cite just one example.
6.5.1 HistoROM/T-DAT (transmitter DAT)
The T-DAT is an exchangeable data storage device in which all transmitter parameters and settings
are stored.
Storing of specific parameter settings from the device memory (EEPROM) to the T-DAT module and
vice versa must be carried out by the user (= manual save function). Detailed instructions regarding
this can be found on → ä 74.
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