ACS 300 User’s Manual 65
Chapter 7 - Drive Parameters
2 (Power)
Relay is energized all the time (after initialization of the pro-
gram).
Note! The relay is energized when this function is selected.
3 (I>Current Limit)
Relay is energized for a minimum of 250 ms whenever the
output current exceeds I LIMIT. The time is for hysteresis
and slow response of indication devices. Relay is de-ener-
gized when current is reduced below I LIMIT.
4 (>Frequency limit)
Relay is de-energized when the output frequency exceeds
the value selected with parameter F SUPERV. Relay is
energized when output frequency is below (F SUPERV -
hysteresis). If F SUPERV is greater than 10 Hz the hystere-
sis is 2 Hz, otherwise hysteresis is 20 % of F SUPERV.
5 (<Frequency limit)
Relay is de-energized when the output frequency falls below
the value selected with parameter F SUPERV. Relay is
energized when output frequency is more than (F SUPERV
+ hysteresis). If F SUPERV is greater than 10 Hz the hyster-
esis is 2 Hz, otherwise hysteresis is 20 % of F SUPERV.
6 (Motor is running forward)
Relay is de-energised, when the motor is running and the
direction is forward (according to the status of the modulator,
not the reference or switches).
7 (Motor is running)
Relay is energized, when the motor is running (according to
the status of the modulator, not the reference or switches).
8 (Motor overtemperature trip)
Relay is de-energised while the Motor Overtemp fault is
active. Other faults can also be active while the relay is de-
energised.
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