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The threshold 2 fault message is displayed when the limit threshold 2 is exceeded. The value
can be set from 0.1 to 100.0%
Threshold Limit 3
This parameter defines the magnitude of the permissible deviation from the expected position.
• Off
This parameter value does not trigger any message or alarm.
• Custom
The threshold 3 fault message is displayed when the limit threshold 3 is exceeded. The value
can be set from 0.1 to 100.0%.
De-jamming Friction
Applicable for Posidapt – Ultra
This parameter is used to continuously monitor the current static friction of the final controlling
element. The device detects the slip-stick effects that may occur. Reverse changes in the
valve position, the so-called slip jumps, let the device close at too large static friction. If slip
jumps are detected, the filtered step height is saved as a de-jamming value. If slip jumps no
longer exist, the value is reduced slowly.
The current value is displayed in the “De-jamming friction" in Values and Counters under
Counter Thresholds and Trends. The device triggers a fault message if the current value
exceeds one of the three configurable limit thresholds.
Threshold Limit 1
Use this sub-parameter to set the factor for the formation of limit threshold 1.
• Off - Factory default
This parameter value does not trigger any message or alarm.
• Custom
The threshold 1 fault message is displayed when the limit threshold 1 is exceeded. The value
can be set from 0.1 to 20.0%.
Threshold Limit 2
Use this sub-parameter to set the factor for the formation of limit threshold 2.
• Off - Factory default
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