Emerson FXMP25 - Page 46

46 FXMP25 User Guide
www.controltechniques.com Issue Number: 3
Figure 7-1 Standalone mode logic diagram
03
05
Flux
reference
scaling
04
Flux reference
input offset
Flux
reference
59
Field
weakening
voltage
set point
+
_
02
59
Field
weakeneing
voltage set-point
1
54
Flux
feedback
Voltage error
to % error
conversion
68
68
69
Minimum
flux
Maximum
flux
Compensation
factor
62
P gain
63
I gain
Field
weakening
loop
06
Armature
voltage
Armature voltage
output scaling
07
Field flux
output scaling
Maximum
flux
Maximum
flux
Armature voltage
output Va
Field flux
output If
Armature voltage
feedback
Flux input
Iref
External flux
reference select
64
0
1
+
+