ABB ACS140 - Page 79

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Figure 14 Operating data supervision using relay outputs, when
LOW ≤ HIGH.
HI (3203)
LOW (3202)
Value of supervised parameter
energised =1
de-energised = 0
energised =1
de-energised = 0
A
B
A = Parameter 1401
RELAY OUTPUT 1 (1402 RELAY OUTPUT 2) value is
SUPRV2 OVER
B = Parameter 1401 RELAY OUTPUT 1 (1402 RELAY OUTPUT 2) value is
SUPRV2 UNDER
OVER or
SUPRV1 UNDER or
SUPRV1
Note! Case LOW ≤ HIGH represents a normal hysteresis.
Case A: Is for monitoring when/if the supervised signal exceeds a given
limit.
Case B: Is for monitoring when/if the supervised signal falls below a
given limit.
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