Levelflex M FMP40 and FMP45 7 Description of Instrument Functions
Endress+Hauser 41
!
Note!
The usable measurement range extends between the overall level and the probe length.
For media of the upper product phase with a dielectric value > 4, the measurement range may have
to be restricted by increasing the upper blocking distance. The upper blocking distance is used to
eliminate the overall level echo.
Further Informations to the "blocking distance" see function "upper blocking dist." on page 47.
7.2 Function group "safety settings"
7.2.1 Function "output on alarm"
This function is used to select the reaction of output on an alarm.
Selection:
• MIN (<= 3.6mA)
• MAX (22mA)
• hold
• user specific
MIN (<= 3.6mA)
If the instrument is in alarm state, the output changes as follows:
• HART: MIN-Alarm 3.6 mA
MAX 110% 22mA
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