NORD Drivesystems BU0750 User Manual

Page 63

BU 0750 GB-3311

Subject to technical amendments

Controlling the frequency inverter

The speed and direction of rotation of the frequency inverter can only by completely controlled with the
ParameterBox, if the parameter >Interface< (P509) is set to the function >Control terminals or keyboard< (= 0)
(Factory setting for NORDAC SK 300E and SK 700E) and the frequency inverter has not previously been
enabled via the control terminals.

No frequency inverter

control function

Increase frequency

Store current frequency

Decrease frequency

STOP (No enable)

Change rotation direction

START (Enable)

NOTE

If the frequency inverter is enabled in this mode, then the parameter set is used, which was
selected for this frequency inverter in the menu >Parameterisation< >Basic parameters< in the
>Parameter set< parameter P100. If the parameter set has to be changed during operation, then

the new parameter set must be selected in this parameter and activated using the

keys.

Attention: Following the START command, the frequency inverter may start up immediately

with a pre-programmed frequency (minimum frequency P104 or jog frequency P113).