Endress+Hauser Levelflex FMP53 - Fail safe time; Fail safe type

Levelflex FMP51, FMP52, FMP54 Description of device parameters (operating menu)
Endress+Hauser 159
Navigation
Setup ® Advanced setup ® Digital output 1...4 ® Invert
Description
Allows to invert the digital output signal (i.e. to swap the states "0" and "1").
Option
• Off
•
On
Factory setting
Off
Fail safe time
Navigation
Setup ® Advanced setup ® Digital output 1...4 ® Fail safe time
Description
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.
Range of values
Any positive IEEE floating point number:
0 to 3.4 10
38
s
Factory setting
0
Fail safe type
Navigation
Setup ® Advanced setup ® Digital output 1...4 ® Fail safe type
Description
Defines the output behavior of the DO block in the case of an error.
Options
• 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.
Factory setting
Fallback value
Fail safe value
Navigation
Setup ® Advanced setup ® Digital output 1...4 ® Fail safe value
Prerequisite
Only visible for Fail safe type = Fail safe value
Description
Defines the value the output assumes in the case of an error.
Range of values
0 to 255