Rockwell Automation 1756-DMF30 ControlLogix Drive Module - Manual (Page 82)

Publication 1756-UM522B-EN-P - February 2003
B-2 1756-DMD30 Specific Information
Control Block Diagrams Overview
( )
=
En
umer
ated P
a
ra
meter
[ ]
=
P
age and Coordinate
e
x
. 3A2 = pg 3, Column A, Ro
w 2
Definations of the P
er Unit system:
1.0 PU Speed = Base Speed of the Motor 1.0 PU
T
o
rque = Base
T
o
rque of the Motor
1.0 PU Current = Base Current of the Motor
1756-DMD30 Bloc
k Diag
rams
Link
Link
Read Only P
a
ra
meter
Read /
Wr
ite P
a
ra
meter
Read Only P
a
ra
meter with Bit En
umer
ation
Read /
Wr
ite P
a
ra
meter with Bit En
umer
ation
Pro
vides additional inf
or
mation
PI Regulator
181 182
PI Ref
erence
PI F
eedbac
k
Limit
186 187
PI Prop Gain PI Integ
Time
Process Control (2ms)
180
PI Output
Speed Ref Selection
Linear
Ramp & S Cur
v
e
16
Speed Ref Sel
40
Lead Lag
46
43
Fr
iction Comp
Iner
tia Comp
Speed Control - Ref
erence (2ms)
145 59
Selected Spd Ref
S
Cur
v
e Spd Ref
S
caled Spd Ref
10 11 12 13 14 15 20
/ *
+
Link
+
T
orque
Selection
*, /, +
302 145 59
xxx
Spd Reg PI Out
Fr
icComp T
orqAdd
Iner
tia T
orq
Add
T
orque Ref Inputs
Notch Control
Motor
Protection
1
Flux
305
Mtr T
orqCurr
Ref
To
rque Control (0.5ms)
Limit
PI Regulator
81 82
Spd Reg P Gain Spd Reg I Gain
Lead Lag
Lead Lag
300
Motor Spd
Fdbk
302
Spd Reg PI Out
Speed Control - Regulator (2ms)
Motor Speed Ref
90
Spd Reg BW
301
Link
+
22 23 21
Speed T
rim
3
SD3000 PMI
Rac
k
Current
Processing
Motor Load
R/T
Gear
Po
sition
Inter
polator
Ref
erence
Selection
(Mode)
748 743 758
CoarseP
osit T
rgt
Au
x P
osit Ref
Pt-Pt P
osit Ref
742
Po
s
it Ref Sel
Gear Rat
[ N ] [ D ]
764
Po
sit Load Fdbk
+
P
osition Offset
PI Regulator
P
oint to P
oint
770 768
Po
s
itReg P Gain
Po
sit Reg Integ
762
Mtr P
osit FB
Propor
tional Channel
Integ
ration Channel
318
P
osit Spd Output
P
osition Control (4ms)
Gear Rat
[ N ] [ D ]
R/T
Fiber
Link