Vacon 100 - Motor Preheat Function

Normal
Start
Run
Enable
Run
Interlock 2
Fire Mode
Activation
(Close contact)
Motor Speed
Stopped
Normal
Speed
Fire Mode
Speed
Run
Interlock 1
Fig. 86: The Fire mode function
P3.17.5 FIRE MODE ACTIVATION ON CLOSE (ID 1619)
The type of this digital input signal is NO (normally open). See the description for P3.17.4 Fire
Mode Activation on Open.
P3.17.6 FIRE MODE REVERSE (ID 1618)
Use this parameter to make a selection of the rotation direction of the motor during Fire
mode. The parameter does not have an effect in normal operation.
If it is necessary for the motor to operate always FORWARD or always REVERSE in Fire
Mode, make a selection of the correct digital input.
DigIn Slot0.1 = always FORWARD
DigIn Slot0.2 = always REVERSE
9.16 MOTOR PREHEAT FUNCTION
P3.18.1 MOTOR PREHEAT FUNCTION (ID 1225)
The Motor preheat function keeps the drive and the motor warm during the STOP status. In
the motor preheat, the system gives the motor a DC current. The motor preheat prevents for
example condensation.
PARAMETER DESCRIPTIONS VACON · 307
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