Page 74 SITRANS LR250 (PROFIBUS PA) – INSTRUCTION MANUAL 7ML19985JF02
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Parameters
2.4.3. Fail-safe Value FB1
User-defined default for the Output Value, if sensor or sensor electronic fault is
detected. Units are the same as the AIFB1 units.
2.4.4. Fail-safe Mode FB2
Fail-safe Mode occurs if the status of the input value is bad, or if the device has
been put into Fail-safe mode using Simulation. One of three options can be
selected for the material level to be reported when the LOE timer expires.
2.4.5. Fail-safe Value FB2
User-defined default for the Output Value, if sensor or sensor electronic fault is
detected. Units are the same as the AIFB2 units.
Note: Fail-safe Mode must be set to Substitute Value before Fail-safe Value
can be defined.
Values
Range: -999999 to 999999
Default: 0
Material level to be reported
Options
Substitute value (Default value used as output value).
* Last value (Store last valid output value).
Use bad value (Calculated output value is incorrect).
Note: Fail-safe Mode must be set to Substitute Value before Fail-safe Value
can be defined.
Values
Range: -999999 to 999999
Default: 0
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