Endress+Hauser Levelflex FMP51 Operating Instructions Manual page 159

Levelflex FMP51, FMP52, FMP54
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Description
Option
Factory setting
Fail safe time
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Description
Range of values
Factory setting
Fail safe type
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Description
Options
Factory setting
Fail safe value
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Prerequisite
Description
Range of values
Endress+Hauser
Setup ® Advanced setup ® Digital output 1...4 ® Invert
Allows to invert the digital output signal (i.e. to swap the states "0" and "1").
• Off
• On
Off
Setup ® Advanced setup ® Digital output 1...4 ® Fail safe time
Defines the fail-safe time, i.e. the time which passes after the occurrence of an error until the DO
block assumes the defined error state.
Any positive IEEE floating point number:
0 to 3.4 10 38 s
0
Setup ® Advanced setup ® Digital output 1...4 ® Fail safe type
Defines the output behavior of the DO block in the case of an error.
• Fail safe value
The output assumes the value defined in Fail safe value.
• Fallback value
The output maintains the value it had at the moment the error occurred.
• Off
The output assumes a value according to the current state of the block. The error is ignored.
Fallback value
Setup ® Advanced setup ® Digital output 1...4 ® Fail safe value
Only visible for Fail safe type = Fail safe value
Defines the value the output assumes in the case of an error.
0 to 255
Description of device parameters (operating menu)
159