Issue:
Adjust the starting torque or voltage boost on the ATS48 soft starter.

Product Line:
Altistart ATS48


Resolution:
In the SEt Menu, parameter tq0 is the Initial starting torque as a percentage of nominal motor torque.  From this initial torque level, the ATS48 will ramp up to motor torque to nominal torque level.  Set tq0 to fit the application.
tq0 is only available if parameter CLP in the drC menu is set to On.

In the drC menu, parameter bSt is Voltage boost level.  The ATS48 will apply bSt percentage of full voltage for the first 100msec and then drop to tq0 torque level to continue with a standard acceleration ramp.  bSt can be set within the range 50-100% or OFF.  It is typically used to simply get a high inertia load to move from a rest.

Also try decreasing the ACC time value to ramp quickly to higher torque levels.

If this article does not answer your question, check out our FAQ database that has answers to more commonly asked questions:

Frequently Asked Questions - Schneider Electric (se.com)

If this FAQ did not solve your issue, you can call us at 1-888-778-2733 Option 2 and then 4 or e-mail us at drive.products.support@se.com to create a case with our Technical Support Team.

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