1 0 4
C H A N GE PARA METERS
Or
2) Re-burden the un
i
t us
i
ng the 5 0 %/1 0 0 % burden
j
umper on the po w er board. See 1 3.1 3.4 DRIV E
PERS O N ALIT Y / Armature current burden res
There are 2 stages to the autotune funct
i
on.
Stage 1.
The current automat
i
ca
ll
y
i
ncreases pos
i
t
i
ve
l
y unt
il
i
t becomes cont
i
nuous.
Stage 2.
The current
i
s automat
i
ca
ll
y perturbated unt
il
the response
i
s opt
i
m
i
sed.
W hen
i
t has f
i
n
i
shed
i
t drops out the ma
i
n contactor, sets the requ
i
red parameters, and then automat
i
ca
ll
y
DIS A BLES
i
tse
l
f. You can check that
i
t has f
i
n
i
shed by
l
ook
i
ng
i
n the d
i
sp
l
ay w
i
ndo w and w a
i
t
i
ng for the
DIS A BLED comment to re-appear on the bottom
li
ne. You must then save the parameters us
i
ng the
PAR A ME TER S A V E menu.
If the rout
i
ne
i
s
i
nterrupted by a po w er
l
oss or a
l
arm then the rout
i
ne
i
s aborted and the o
l
d parameter va
l
ues
are
l
eft
i
ntact.
In the case w here the motor has a short t
i
me constant, the armature current may rema
i
n d
i
scont
i
nuous, even
at currents
i
n excess of 10 0 % . There are 2 poss
i
b
l
e outcomes.
1) The autotune w
ill
f
i
nd that the current never goes cont
i
nuous up to 1 5 0 %
i
n stage 1. Stage 2
i
s
abandoned. The autotune automat
i
ca
ll
y sets the fo
ll
o w
i
ng parameters.
9 3)C UR PROP G AIN
i
s set to 1.0 0.
9 4)C UR IN T G AIN
i
s set to 7.0 0.
9 5)C URREN T DIS C O N TIN UIT Y
i
s set to 0.0 0 % .
2) The autotune w
ill
f
i
nd that the current goes cont
i
nuous at a h
i
gh
l
eve
l
i
n stage 1. Dur
i
ng stage 2 the
i
nduced perturbat
i
ons cause a current over
l
oad to occur. Then the rout
i
ne
i
s aborted and the o
l
d parameter
va
l
ues are
l
eft
i
ntact. In th
i
s case
i
t
i
s suggested that the fo
ll
o w
i
ng parameters are set manua
ll
y:
9 3)C UR PROP G AIN
i
s set to 1.0 0.
9 4)C UR IN T G AIN
i
s set to 7.0 0.
9 5)C URREN T DIS C O N TIN UIT Y
i
s set to 0.0 0 % .
Th
i
s
i
s a good start
i
ng po
i
nt a
l
though the current
l
oop response may be s
l
o w w hen the armature current
i
s
h
i
gh, (above the d
i
scont
i
nuous current po
i
nt).
Note. There
i
s a h
i
dden PIN w h
i
ch conta
i
ns 7 0 7)A U T O T U NE M O NIT OR f
l
ag (H
i
gh for start).
6.8.1 0 C URREN T C O N TROL / Current amp proport
i
ona
l
ga
i
n PIN 9 3
Th
i
s
ca
n b
e
s
e
t by us
i
ng th
e
AUTOTUNE fun
c
t
i
on.
Increase to
i
mprove response, too much may cause
i
nstab
ili
ty.
I
f you
c
h
a
ng
e
you
r
supp
l
y vo
l
t
a
g
e
,
c
u
rr
e
nt
ca
li
b
r
a
t
i
on o
r
moto
r
typ
e
th
e
n
r
e
-
a
d
j
ust th
i
s p
a
r
a
m
e
t
e
r
.
6.8.1 1 C URREN T C O N TROL / Current amp
i
ntegra
l
ga
i
n PIN 9 4
Th
i
s
ca
n b
e
s
e
t by us
i
ng th
e
AUTOTUNE fun
c
t
i
on
. Genera
ll
y an
i
ncreased
i
ntegra
l
ga
i
n w
ill
i
mprove the
response.
I
f you
c
h
a
ng
e
you
r
supp
l
y vo
l
t
a
g
e
,
c
u
rr
e
nt
ca
li
b
r
a
t
i
on o
r
moto
r
typ
e
th
e
n
r
e
-
a
d
j
ust th
i
s p
a
r
a
m
e
t
e
r
.
C URREN T C O N TROL 3
9 3)C UR PROP G AIN
9 3)C UR PROP G AIN
3 0.0 0
PAR A ME TER
RA N GE
DEF A ULT
PIN
C UR PROP G AIN
0.0 0 to 2 0 0.0 0
3 0.0 0
9 3
Sets the proport
i
ona
l
ga
i
n of
the current error amp
li
f
i
er.
R
R
C URREN T C O N TROL 3
9 4)C UR IN T G AIN
9 4)C UR IN T G AIN
3.0 0
PAR A ME TER
RA N GE
DEF A ULT
PIN
C UR IN T G AIN
0.0 0 to 2 0 0.0 0
3.0 0
9 4
Sets the
i
ntegra
l
ga
i
n of the
current error amp
li
f
i
er.
R
R
Содержание PLX
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