Soft Start (Parameters)

The purpose of the soft starter, if equipped, is to control the ramp speed of the fan motor in order to reduce the stress the motor experiences during startup. The table below contains the M-C settings that comes standard from the M-C Factory.

Soft Starters are an available upgrade on certain dryer product lines.

Description	ABB Default	MC Setting
Rated Current of Motor (le)	Individual	Noted Motor Nameplate
Start Ramp Time	10 sec	30 sec
Stop Ramp Time	OFF	OFF
Initial/End Voltage	30%	30%
Current Limit	4.0 x le	7.0 x le
Torque Control During Start Ramp	OFF	OFF
Torque Control During Stop Ramp	ON	ON
Kick Start	OFF	OFF
Electronic Overload Protection (EOL) Tripping Class Type of Operation	10 HAnd Auto	20/30 HAnd Auto
Underload Protection Level Type of Operation	OFF HAnd Auto	OFF HAnd Auto
Locked Rotor Protection Level Type of Operation	OFF HAnd Auto	7.0 x le HAnd Auto
Fieldbus Control Fieldbus Address Download Parameter Operation When Fault Type of Operation	OFF 255 dPon LocC HAnd	OFF 255 dPon LocC HAnd

Navigating Soft Starter Parameters

The menu is navigated by the keypad. The Navigation keys are used to scroll up or down. The Select key is used to select a setting and save. The Exit key is used to cancel without selecting or saving a setting, and go to a higher level of the menu, as illustrated in the figure below.

1. Turn on the backlight by pressing any key.

2. On the Information level use the Navigation keys for scrolling the different operational information.

3. Press the Select key to Enter the Settings level. See (A) on the figure. A cursor is marking the accessible parameter, in this case Rated Current Ie.

4. Press Select key again to enable editing of the parameter Rated Current. See (B) on the figure. A flashing value on the middle row indicates that the parameter is available for scrolling and for selection.

5. Increase or decrease the value by pressing Navigation key repeatedly. Holding the key down will speed up the scrolling. See (C) on the figure.

6. When the rated current of the motor is reached, press the Select key again to save. See (D) on the figure.

7. It is possible to select and adjust the other parameters by following the same procedure.

8. At any point, press Exit to cancel a setting and return to the information level.