C H A N GE PARA METERS
1 0 5
6.8.1 2 C URREN T C O N TROL / D
i
scont
i
nuous current po
i
nt PIN 9 5
Th
i
s
ca
n b
e
s
e
t by us
i
ng th
e
AUTOTUNE fun
c
t
i
on.
The motor/supp
l
y comb
i
nat
i
on w
ill
possess a property
ca
ll
ed the d
i
scont
i
nuous-cont
i
nuous current po
i
nt w h
i
ch
i
s
i
mportant for opt
i
mum tun
i
ng of the current
l
oop.
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 2. 1 Sett
i
ng the current
l
oop contro
l
terms manua
ll
y.
As the current
i
ncreases there comes a po
i
nt w hen the current stops appear
i
ng
i
n 6 d
i
screte
l
umps per cyc
l
e
and
j
ust starts go
i
ng cont
i
nuous. A t th
i
s po
i
nt the natura
l
ga
i
n of the system changes dramat
i
ca
ll
y. If the un
i
t
kno w s th
i
s po
i
nt,
i
t can automat
i
ca
ll
y compensate for the ga
i
n change and produce an opt
i
mum response.
The current
l
eve
l
% of rated motor current at w h
i
ch
i
t occurs
i
s entered here.
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
3 v
a
l
u
e
s fo
r
P
I
Ns 93/94/95 must b
e
a
d
j
ust
e
d
acc
o
r
d
i
ng
l
y.
To observe the current s
i
gna
l
you must use the s
i
gna
l
test p
i
n prov
i
ded, and a qua
li
ty storage osc
ill
oscope.
See 3.4.5
Mon
i
tor 1 3 4)ARM C UR % M O N to mon
i
tor the % va
l
ue at the boundary.
Use the tab
l
e to determ
i
ne the other current
l
oop contro
l
terms
1 3 4)A RM C UR % M O N
at boundary po
i
nt
Suggested va
l
ue for
9 3)C UR PROP G AIN
Suggested va
l
ue for
9 4)C UR INT G AIN
1 0.0 0 %
4 0.0 0
4.0 0
2 0.0 0 %
2 0.0 0
2.0 0
4 0.0 0 %
1 0.0 0
1.0 0
6 0.0 0 %
1 0.0 0
1.0 0
8 0.0 0 %
1 0.0 0
1.0 0
1 0 0.0 0 %
1 0.0 0
1.0 0
6.8.1 3 C URREN T C O N TROL / 4 quadrant mode enab
l
e PIN 9 6
If 9 6)4-Q U A DRA N T M O DE
i
s enab
l
ed then the regenerat
i
ve capab
ili
ty w
ill
be determ
i
ned by the mode
l
.
See 3.3 Genera
Data. Note. PL mode
l
s w
i
th regenerat
i
ve stopp
i
ng. Th
i
s feature
i
s a
l
so d
i
s/enab
l
ed.
6.8.1 4 C URREN T C O N TROL / Speed bypass current reference enab
l
e PIN 9 7
There
i
s an
i
nterna
l
connect
i
on from T 3 v
i
a UIP3 to 6 4)SPEED REF 3 M O N. Th
i
s parameter determ
i
nes
w hether T 3
i
s a speed or current reference. If enab
l
ed, the speed
l
oop output
i
s automat
i
ca
ll
y d
i
sconnected.
Note. The summ
i
ng
j
unct
i
on for th
i
s
i
nput
i
s sho w n
i
C URREN T C O N TROL 3
9 5)C UR DIS C O N TINUIT Y
9 5)C UR DIS C O N TINUIT Y
1 3.0 0 %
PAR A ME TER
RA N GE
DEF A ULT
PIN
C UR DIS C O N TINUIT Y
0.0 0 to 2 0 0.0 0 %
1 3.0 0 %
9 5
Set to the d
i
scont
i
nuous current
boundary
l
eve
l
for your motor.
R
R
C URREN T C O N TROL 3
9 6)4-Q U A DR A N T M O DE
9 6)4-Q U A DR A N T M O DE
EN A BLED
PAR A ME TER
RA N GE
DEF A ULT
PIN
4-Q U A DR A N T M O DE EN A BLED or DIS A BLED
EN A BLED
9 6
A
ll
o w s mode
l
s w
i
th regenerat
i
ve
capab
ili
ty to be 2 quadrant.
R
R
C URREN T C O N TROL 3
9 7)SPD BYP A SS C UR EN
9 7)SPD BYP A SS C UR EN
DIS A BLED
PAR A ME TER
RA N GE
DEF A ULT
PIN
SPD BYP A SS C UR EN
EN A BLED OR DIS A BLED DIS A BLED
9 7
A
ll
o w s a current reference
i
nput
w h
i
ch by-passes the speed
l
oop.
Summary of Contents for PLX
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