Endress+Hauser Levelflex FMP57 - Page 171

Levelflex FMP56, FMP57 FOUNDATION Fieldbus Operating menu
Endress+Hauser 171
Selection • Alarm
• Alarm or warning
• Warning
Factory setting Alarm
Switch-on value 
Navigation  Setup → Advanced setup → Switch output → Switch-on value
Prerequisite Switch output function (→  169) = Limit
Description Enter measured value for the switch-on point.
User entry Signed floating-point number
Factory setting 0
Additional information The switching behavior depends on the relative position of the Switch-on value and
Switch-off value parameters:
Switch-on value > Switch-off value
– The output is closed if the measured value is larger than Switch-on value.
– The output is opened if the measured value is smaller than Switch-off value.
t
t
A
B
C
D
A0015585
A Switch-on value
B Switch-off value
C Output closed (conductive)
D Output opened (non-conductive)
Switch-on value < Switch-off value
– The output is closed if the measured value is smaller than Switch-on value.
– The output is opened if the measured value is larger than Switch-off value.