Endress+Hauser Proline Promag 55 Operating Manual page 81

Foundation fieldbus electromagnetic flow measuring system description of device functions
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Device functions Proline Promag 55 FOUNDATION Fieldbus
Endress+Hauser
Write access with
Parameter
operating mode
(MODE_BLK)
System Unit -
AUTO - OOS
Length
Sys. - Install.
AUTO - OOS
Direction Sensor
Sys. - Flow Damping AUTO - OOS
Sys. - Integration
AUTO - OOS
Time
"Flow" Transducer Block/base index 1400
Use this parameter to select the unit for displaying the length of the
nominal diameter.
The unit you select here is also valid for:
Nominal diameter of sensor ("Sensor Data - Nominal Diameter",
→ Page 88)
Options:
MILLIMETER
INCH
Factory setting:
MILLIMETER (SI units: not for USA and Canada)
INCH (US units: only for USA and Canada)
Use this parameter to reverse the sign of the flow measured variable, if
necessary.
Options:
NORMAL FORWARD (flow as indicated by the arrow)
INVERSE REVERSE (flow opposite to direction indicated by the arrow)
Factory setting:
NORMAL FORWARD
!
Note!
Ascertain the actual direction of fluid flow with reference to the direction
indicated by the arrow on the sensor (nameplate).
Use this function to set the filter depth of the digital filter. This reduces the
sensitivity of the measuring signal to interference peaks (e.g. high solids
content, gas bubbles in the fluid, etc.). The reaction time of the measuring
system increases with every increase in the filter setting. The damping acts
on all parameters and on all downstream function blocks.
User input:
0 to 15
Factory setting:
7
!
Note!
The system damping acts on all functions and outputs of the measuring
device.
Use this function to view the set integration time.
The integration time defines the duration of internal totaling of the
induced voltage in the fluid (measured by the measuring electrode), i.e.
the time in which the measuring device records the true flow (afterwards
the magnetic field for the next integration is created from the opposite
pole).
User interface:
Max. 2-digit number: 1 to 65 ms
Factory setting:
5 ms
3 Transducer Block
Description
81

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