
Keypad Menus
10-22
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
QUICK SETUP MENU
890CD Common Bus Drive & 890SD Standalone Drive
PREF
6901 Display
Description
Range
Default
21.01
V/F SHAPE
LINEAR LAW: This gives a constant flux
characteristic up to the BASE FREQUENCY
FAN LAW: This gives a quadratic flux
characteristic up to the BASE FREQUENCY.
This matches the load requirement for fan and
most pump applications
USER DEFINED: This gives a user defined flux
characteristic up to the BASE FREQUENCY
LIN E A R
FR E Q U E N C Y
= B A S E FR E Q U E N C Y
100%
C O N S TA N T
P O W E R R A N G
O U TP U T V O LTS
f B
f B
Q U A D R A TIC LA W
0 : LINEAR LAW
1 : FAN LAW
2 : USER DEFINED
0