ABB +N5600 Firmware Instructions page 51

In the figure below, the drive starts in manual mode following the user defined pump
speed reference. As speed reaches the minimum production speed value defined by
the user, only then the automatic process control takes over.
75.19 Maximum
production speed
75.18 Minimum
production speed
75.23 Ramp
switch speed
75.15 Starting
speed
Settings
Parameter group 75 ESP reference setup
(page 426).
Speed reference
76.11 Auto mode start delay
ESP program features 51
(page 421) and 76 ESP automatic control
Speed reference
Time
controlled by ESP
process controller