June 2018
Legrand PDU User Guide 475
States of "above upper critical" and "below lower critical" are critical states that require you to immediately
handle.
Range of each available sensor state:
The value of each enabled threshold determines the reading range of each available sensor state. For
details, see Yellow- or Red-Highlighted Sensors (on page 120).
"To Assert" and Assertion Timeout
If multiple sensor states are available for a specific sensor, the Legrand PDU asserts a state for it whenever
a bad state change occurs.
To assert a state:
To assert a state is to announce a new, "worse" state.
Below are bad state changes that cause the Legrand PDU to assert.
1. above upper warning --> above upper critical
2. normal --> above upper warning
3. normal --> below lower warning
4. below lower warning --> below lower critical
Assertion Timeout:
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