Field current re gul at or desc ript ion, Figu re a .1 – f ield con trol loop, Scaling software – Rockwell Automation FlexPak 3000 Drive Field Current Regulator Kit, 911FK0041, 911FK0101, 911FK015 User Manual
Page 39: Gain
F
ield Current
Re
gul
at
or Desc
ript
ion
A-3
F
igu
re A
.1
– F
ield Con
trol
Loop
FLD WEAKEN
PROP GAIN
(FIELD FEEDBACK)
Note 1: Field Auto Weaken Is Clamped To Disabled
When Feedback Select = Armature Volt
SOFTWARE
IR COMPENSATION
(ARMATURE VOLTAGE)
8 Sample Average
(CML FEEDBACK)
+
-
SCALING
SOFTWARE
IR COMPENSATION
MOTOR RATED
ARM AMPS
FLD WEAKEN
THRESHOLD
+
-
SCALING
ABS
+
Scaling
Software
MOTOR HOT FLD AMPS
A/D
FIELD ECONOMY REF
100
MOTOR HOT FLD AMPS
MOTOR HOT FLD AMPS
FIELD REF REGISTER
MUL
DIV
GAIN
LO
HI
FLD FEEDBACK
GAIN
GAIN ADJ
MUL
(FIELD ECONOMY ACTIVE)
ON
OFF
(FIELD REFERENCE)
FIELD AUTO WEAKEN
FLD WEAKEN
LEAD FREQ
WLD
KP
HI
PI
LO
FIELD DELTA HI LIM
FIELD DELTA HI LIM
DISABLED
(note 1)
ENABLED
FIELD PI LEAD FREQ
0
FIELD PI PROP GAIN
+
-
LO
HI
PI
KP
WLD
Phase
Firing
Logic
Field
(FIELD DELTA)
FIELD
REGULATOR
SUPPLY
FEEDBACK
FIELD CURRENT
Field Current Regulator
Armature Voltage (Cemf) Regulator
Input parameters are shown UPPERCASE.
Output parameters are shown (UPPERCASE).
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