Eaton SVCH0203 SPX Advanced, Applications Manual

Page: 66 / 185

57
SPX advanced – description of parameters
SPX ADVANCED APPLICATION MANUAL
SVCH0203—October 2017 www.eaton.com
Code ID Parameter Notes
P1.2.9.6 1278 Torque select “torque select”
3=”Min” – Minimum from speed reference and torque reference.
The minimum of the speed controller output and the torque reference is selected as
final torque reference.
4=”Max” – Maximum from speed reference and torque reference
The maximum of the speed controller output and the torque reference is selected as
final torque reference.
5=”Window” – Window control
Speed is limited within window from speed reference.
Speed control activation limit is different from the speed limit. Speed needs, therefore,
to go first to “Window Pos” or “Window Neg” limit before the speed controller
activates, when speed controller is active speed will be restricted to limit defined by
“Window Pos Off” and “Windows Neg Off” from the “FinalFreqRef”
Time
Speed controller active
Speed controller active
Ramp Generator
output
P Pos Freq Limit
P Neg Freq Limit
FW FreqRampOut
Speed
[RPM]
Drive in Torque Control
Drive in Torque Control
Drive in Torque Control
Speed controller active
Speed controller active
Speed controller active
Speed controller active
Time
Speed controller active
Speed controller active
Speed controller active
Speed controller active
Speed controller active
Speed controller active
P
Pos Freq Limit
R Neg Freq Limit
FW
FreqRampOut
Speed
[RPM]
Drive in Torque Control
Drive in Torque Control
Drive in Torque Control
P
P
P
P
P
P
Pos Freq Limit
Window Pos
Window Pos Off
Window Neg Off
Window Neg
Neg Freq Limit
Speed controller active
Speed controller active
Speed
Reference
Torque Control
area