Rockwell Automation 20P PowerFlex Digital DC Drive - Manual (Page 318)

318 Rockwell Automation Publication 20P-UM001I-EN-P - February 2013
Appendix D Control Block Diagrams
Speed Reference Generation
To S
pe
ed
Regulator Diagram
Sp
ee
d r
at
io
10000
T
Ra
m
p
Re
fe
re
n
ce
Ze
ro
Sp
ee
d
t
Sp
eed
t
T
Ze
ro
Σ
Sp
ee
d
D
ra
w
Fr
om
S
pe
ed
Re
fe
re
nc
e
Selection Diagram
On Off
Speed Ref
erence Genera
tion
P70 Anlg In1 S
el
P384 Spd Ref O
ut P
ct
P75 Anlg In2 S
el
P80 Anlg In3 S
el
P1323 DPI P1 S
elec
t
P1324 DPI P2 S
elec
t
P1325 DPI P3 S
elec
t
P1326 DPI P4 S
elec
t
P1327 DPI P5 S
elec
t
P42 Trim R
amp
P378 Trim R
amp P
ct
P385 Spd Ref O
ut
P111 Ramp In P
ct
P110 Ramp In
P345 Zer
o R
amp Input
P344 Zer
o R
amp O
utput
P245 Speed R
amp En
P1017 Speed R
atio
P114 Ramp O
ut P
ct
P113 Ramp O
ut
P1019 Spd D
ra
w O
ut P
ct
P1018 Speed D
ra
w
O
ut
P1021 Enc
oder O
ut S
el
(2 ms)
P430 Resolv
er Spd S
el
P782 PID T
ar
get
P1210 W T
ar
get
On
Off
R
ever
se Com
m
an
d
(P381
Drive Statu
s 1, b
2)
Jo
g
(P132
8 Drive
Log
ic
Re
s, b2
)
0
Fr
om
S
pe
ed
Re
fe
re
nc
e
Selection Diagram
P384 Spd Ref O
ut P
ct
P385 Spd Ref O
ut
P70 Anlg In1 S
el
P75 Anlg In2 S
el
P80 Anlg In3 S
el
P782 PID T
ar
get
P1210 W T
ar
get