Nord Drivesystems NORDAC FLEX SK 210E Series Brief Instructions page 65

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Test operation
Variable Frequency Drive versions SK 2x0E in size 4 and SK 2x5E may be operated without any
auxiliary equipment for test purposes.
For this purpose, after electrical connection is established, (please see chapter 2.3 "Electrical
connection")set DIP switches S1: 1 to 5 of the variable frequency drive to position 0 (OFF) (please
see chapter 4.2.2.2 "DIP switches (S1)")and wire digital input DIN1 (terminal 21) permanently to the 24
V control voltage.
Enabling is carried out as soon as the inverter's own setpoint potentiometer (potentiometer P1) is
moved from the 0% position.
The setpoint can be adjusted to the requirements by further continuous adjustment of the
potentiometer.
Resetting the setpoint to 0% sets the variable frequency drive to "Ready for switch on" status.
Stepwise adjustment of ramp times within defined limits is also possible with the aid of potentiometer
P2.
Information
This setting method is not suitable for the implementation of a so-called "automatic AC line starting".
In order to use this function, it is essential that parameter (P428) "Automatic Start" be set to the "ON" function.
Adjustment of parameters is possible with the aid of a Parameter Box (SK xxx-3H) or with the NORD CON
software (Windows PC and adapter cable required).
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BU 0240 en-US-3118
4 Commissioning
Test operation
65