NORD Drivesystems BU0300 - Manual (Page 59)

4.4 Functions of the ParameterBox
BU 0300 EN Subject to technical alterations 59
Controlling the frequency inverter
The frequency inverter can only be fully controlled with regards to speed and rotation direction by the
ParameterBox if the parameter >Interface< (P509 = 0/4) is set to >Control terminals or keyboard< or >USS<
and if it has not already been enabled via the control terminals.
No frequency inverter
control function
Increase frequency
Store actual frequency
Decrease frequency
STOP (No enable)
Change rotation direction
START (Enable)
NOTE
If the frequency inverter is enabled via the keyboard , then the parameter set selected for this
frequency inverter in the Menu >Parameterisation< >Basic parameters< in the >Parameter set<
parameter (P100) is used.
The parameter set cannot be changed during operation. A change in P100 is only accepted when the
output frequency has passed once through zero.
The change in the parameter set must be confirmed with the key and then activated by and
or .
Attention: Following the START command, the frequency inverter may start up immediately with a
pre-programmed frequency (minimum frequency P104 or jog frequency P113).