Technical information

– INTRODUCTION – – INFRANOR V ariable–Speed Drive –
21/04/95
01T00357
19
Page
* UNSTABLE SETTINGS (DAMPED SPEED OSCILLATIONS)
– Gain too low (increase by turning P2 to the right).
* FLUTTERING BETWEEN PLUS OR MINUS INCREMENT POSITION
– Static gain Ko too high: decrease gain using P2.
* OVERRUN IN POSITIONING PHASES
– Speed loop gain too low (turn P2 to the right).
– Position loop gain to be corrected, dragging errors in the position
measuring system.
– Position loop gain too high.
REMARK:
One error does not rule out another.
Have you remembered to retighten all connections ?