PROline Prosonic Flow 93 FOUNDATION Fieldbus 7 Block BASIC FUNCTION
Endress+Hauser 55
7.2.2 Function group: ADJUSTMENT
BASIC FUNCTION G
Þ
FOUNDATION FIELDBUS GGA
ß
PROCESS PARAM. CH1 GIA
Þ
CONFIGURATION 640
ß
ADJUSTMENT 648
ß
PROCESS PARAM. CH2 GIB
Þ
CONFIGURATION 640
ß
ADJUSTMENT 648
Function description
BASIC FUNCTION → PROCESS PARAMETER (CH1...CH2) → ADJUSTMENT
ZEROPOINT
ADJUSTMENT
(6480)
This function enables a zero point adjustment to be automatically carried out.
The new zero point determined by the measuring system is adopted by the
ZERO POINT function, (see Page 67).
User input:
CANCEL
START
Factory setting:
CANCEL
Caution!
Before carrying this out, please refer to the Operating Instructions for Prosonic
Flow 93 FOUNDATION Fieldbus (BA078D/06/en), for a detailed description of
the procedure for zero point adjustment.
Note!
• Programming is locked during zero point adjustment
The message “ZERO ADJUST RUNNING” appears on the display.
• If the zero point adjustment is not possible (e.g. if v > 0.1 m/s) or has been
cancelled, the alarm “ZERO ADJUST NOT POSSIBLE” appears on the
display.
This error is relayed to downstream function blocks or higher-level process
control systems via the FOUNDATION Fieldbus by means of the status
“UNCERTAIN” for the output value OUT (AI Block).