When the function of
maintaining is switched
on, after the state of
condition is finished, the
condition symbol is not
blanked, but it begins to
flash. Signaling is active
till it is switched off by
pressing the buttons
When the entered ”Upper value of condition” is lower than the ”Lower value of condition”,
the condition is disabled.
a) n_on b) noFF
c) on d) oFF
Fig.17, Types of conditions: a) n_on b) noFF c) on d) OFF
Other types of conditions:
H_on – always met;
HoFF – always not met,
3non – when the value of the measured quantity exceeds the "Upper value of
condition” at any phase - the condition will be met. The condition is disabled when the
value of the measured value at all phases is less than the "Lower the value of the
condition."
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