Levelflex FMP55 HART Operating menu
Endress+Hauser 169
Fixed current
Navigation Setup → Advanced setup → Current output 1 to 2 → Fixed current
Prerequisite Current span (→ 168) = Fixed current
Description Define constant value of the output current.
User entry 4 to 22.5 mA
Factory setting 4 mA
Damping output
Navigation Setup → Advanced setup → Current output 1 to 2 → Damping output
Description Reaction time of the output signal on fluctuation in the measured value.
User entry 0.0 to 999.9 s
Factory setting 0.0 s
Additional information Fluctuations of the measured value affect the output current with an exponential delay,
the time constant τ of which is defined in this parameter. With a small time constant the
output reacts immediately to changes of the measrued value. With a big time constant the
reaction of the output is more delayed. For τ = 0 (factory setting) there is no damping.
Failure mode
Navigation Setup → Advanced setup → Current output 1 to 2 → Failure mode
Prerequisite Current span (→ 168) ≠ Fixed current
Description Defines which current the output assumes in the case of an error. ‘Min.’: < 3.6mA ‘Max.’: >
21.95mA ‘Last valid value’: Last valid value before occurrence of the error. ‘Actual value’:
Output current is equal to the measured value; error is ignored. ‘Defined value’: User
defined value.
Selection • Min.
• Max.
• Last valid value
• Actual value
• Defined value
Factory setting Max.
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