Operation & Software Manual
148
Direct Drives & Systems
Chapter C: System functions
ETEL Doc. - Operation & Software Manual # DSC2P 903 / Ver. F / 3/6/05
13.2.1.4 Speed reference mode (K61=3):
The external reference is used as a speed reference. An integrator calculates the position reference from this
reference. The graph below shows the regulation loop of the speed reference mode:
Remark:
The external speed reference is given in [usi] and [rusi]. Refer to
for more information.
M17
Set up
exter
nal
position
re
ference
K213
Fee
d
fo
rward
e
stim
a
to
r
Fo
rc
e
calculat
or
Moto
r position
M
otor p
o
si
tion
x
M
o
to
r spe
ed v
F force
su
pp
lied
by th
e m
o
to
r
Int
e
gr
at
or
In
te
grat
or
Li
m
it
Limi
t
Limit
1
st
o
rder
filter
1
st
or
der
filter
Curr
ent
in ph
ase 1
En
co
der
Phase 1
Phas
e
3
Phase 2
Motor
Sp
eed
e
stim
a
to
r
1
st
o
rder
filter (
x2)
Cur
rent l
oop :
1,
2 or
3 ph
ases
Fc
Ic
I
1
I
2
K80
K81
K82
K60
K9
K114
K115
K116
K117
K118
K104
K105
K106
K107
K108
K6
K4
K1
K2
K23
K5
K21
K20
M
o
to
r co
m
m
u
ta
tio
n
loo
k-
up ta
ble
Po
sit
ion
calcula
tor
K8
Advanced
filters
K3
Li
mit
K60
+
+
+
+
+
+
+
+
+
+
+
+
-
-
-
-
-
-
X
X
c
X
e
V
c
a
c
In
tegrat
or
sti (
refer
to
)
Regulator: fti (
refer
to
)
Regulator: cti (r
efer to
.
)
Rem
ar
k
:
Parame
ter K82 doe
s not e
xist
on the DSCD
L.