PROline Prosonic Flow 93 FOUNDATION Fieldbus 3 Transducer Blocks (transmission blocks)
Endress+Hauser 113
System Param. -
Positive Zero
Return
AUTO - OOS This parameter can be used to interrupt evaluation of measured
variables. This is necessary when a piping system is being
cleaned, for example. The setting acts on all parameters and
calculations of the measuring device.
Options:
OFF
(signal output not interrupted)
ON
(signal output is set to the value “0”)
Factory setting:
OFF
Note!
• When positive zero return is active, a flow value of "0" is output
via the output value OUT (AI Block).
• Active positive zero return is relayed to downstream function
blocks or higher-level process control systems by means of the
status “UNCERTAIN” for the output value OUT (AI Block).
• Positive zero return can be also be controlled using cyclic data
transmission via the Discrete Output function block, (see DO
function block Page 181).
Adjustment -
Adjust Zeropoint
AUTO - OOS This parameter can be used to start zero point adjustment
automatically. The new zero point determined by the measuring
system is adopted by the “Calibration Data - Zero Point”
parameter, (see Page 126).
Options:
CANCEL
START
Factory setting:
CANCEL
Caution!
Before carrying this out, please refer to the Operating Instructions
for PROline Prosonic Flow 93 FOUNDATION Fieldbus, (BA078D/
06/en), for a detailed description of the procedure for zero point
adjustment.
“TRANSDUCER_CH1” and “TRANSDUCER_CH2” (E+H parameters) /
Base index 1200 and 1300
Parameter Write access
with operating
mode
(MODE_BLK)
Description
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