Micropilot FMR51, FMR52 FOUNDATION Fieldbus Operating menu
Endress+Hauser 141
Blocking distance
Navigation Setup → Advanced setup → Level → Blocking dist.
Description Specify blocking distance BD.
User entry 0 to 200 m
Factory setting • FMR50, FMR51, FMR53, FMR54: antenna length
• FMR52: antenna length + 200 mm (7.9 in)
Additional information Signals in the blocking distance are only evaluated if they have been outside the blocking
distance when the device was switched on and move into the blocking distance due to a
level change during operation. Signals which are already in the blocking distance when the
device is switched on, are ignored.
This behavior is only valid if the following two conditions are met:
• Expert → Sensor → Echo tracking → Evaluation mode = Short time history or Long
time history)
• Expert → Sensor → Gas phase comp. → GPC mode= On, Without correction or
External correction
If one of these conditions is not met, signals in the blocking distance will always be
ignored.
If required, a different behavior for signals in the blocking distance can be defined by
the Endress+Hauser service.
A0019492
31 Blocking distance (BD) for liquid measurements
Level correction
Navigation Setup → Advanced setup → Level → Level correction
Description Specify level correction (if required).
User entry –200 000.0 to 200 000.0 %
Factory setting 0.0 %
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