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8 PARAMETER FUNCTIONS
8-10
8.5.5 Other settings
Pr. 84 "rated motor speed"
The rated speed of the motor used with the drive unit is displayed. This
parameter is for read-only and its value cannot be changed.
Pr. 244 "cooling fan operation selection"
When the drive unit has a built-in cooling fan, you can select the operation of the
cooling fan.
Setting Operation
0 While the drive unit power is on, the cooling fan keeps running.
1
While the motor is operating, the cooling fan keeps running. While the motor is
at a stop, the cooling fan is stopped according to the temperature of the drive
unit.
MEMO
If the cooling fan stops due to a failure, the "FN" alarm indication
appears on the parameter unit.
Refer to: Chapter 6, 6.1.2 Alarm function
activated
That the cooling fan has stopped due to a failure can be exported as
an alarm signal.
Refer to: 8.7.2 Selection of the control
circuit output terminal functions
When Pr. 244 = 1, the alarm function is activated if the fan starts
running during the fan "OFF" command.