Waterpilot FMX21
Integrating device via HART
®
protocol
Endress+Hauser 37
Process variable Meas. Level
Linear Table active
Third process variable
(Tertiary variable)
3
(Sensor pressure)
2
(Corrected press.)
0
(Pressure measured)
Fourth process variable
(Quaternary variable)
4
(Sensor temp.)
The assignment of the device variables to the process variable is displayed in the
Expert → Communication → HART output menu.
The assignment of the device variables to the process variable can be changed using
HART command 51.
An overview of the possible device variables can be found in the following section.
8.2 Device variables and measured values
The following measured values are assigned to the individual device variables:
Device variable code Device variable Measured value
0 PRESSURE_1_FINAL_VALUE Pressure measured All
1 PRESSURE_1_AFTER_DAMPING Press after damping All
2 PRESSURE_1_AFTER_CALIBRATION Corrected press. All
3 PRESSURE_1_AFTER_SENSOR Corrected press. All
4 MEASURED_TEMPERATURE_1 Sensor temp. All
8 MEASURED_LEVEL_AFTER_ SIMULATION Level before lin. Only level
9 MEASURED_TANK_CONTENT_AFTER_ SIMULATION Tank content Only level
10 CORRECTED_MEASUREMENT_ DENSITY Process density Only level
12 HART_INPUT_VALUE HART input val. Cannot be selected as output
251 None (no device variable is mapped) - All (but only for quaternary variable)
The device variables can be queried from a HART
®
master using HART
®
command 9 or
33.
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