Endress+Hauser Levelflex FMP56 Operating Instructions Manual page 175

Levelflex FMP56, FMP57 HART
Switch output function
Navigation
Description
Selection
Factory setting
Additional information
10) Ordering feature 020 "Power supply; Output", option B, E or G
Endress+Hauser
"Switch output" submenu
The Switch output submenu (→  175) is only visible for devices with switch
10)
output.
Navigation  Setup → Advanced setup → Switch output
 Setup → Advanced setup → Switch output → Switch output function
Defines the function of the switch output. ' O ff' The switch output is always open (non-
conductive) ' O n' The switch output is always closed (conductive). ' D iagnostic behavior' The
switch output is normally closed and is only opened if a diagnostic event is present. ' L imit'
The switch output is normally closed and is only opened if a measured variable exceeds a
defined limit. ' D igital output' The switch output is controlled by one of the digital output
blocks of the device.
• Off
• On
• Diagnostic behavior
• Limit
• Digital Output
Off
Meaning of the options
• Off
The output is always open (non-conductive).
• On
The output is always closed (conductive).
• Diagnostic behavior
The output is normally closed and is only opened if a diagnostic event is present. The
Assign diagnostic behavior parameter (→  176) determines for which type of event
the output is opened.
• Limit
The output is normally closed and is only opened if a measured variable exceeds or falls
below a defined limit. The limit values are defined by the following parameters:
– Assign limit (→  176)
– Switch-on value (→  177)
– Switch-off value (→  178)
• Digital Output
The switching state of the output tracks the output value of a DI function block. The
function block is selected in the Assign status parameter (→  176).
The Off and On options can be used to simulate the switch output.
Operating menu
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175