Bas
i
c app
li
cat
i
on
3 3
4 B
a
s
i
c
a
pp
li
ca
t
i
on
4
on .............................................................................................. 33
............................................................................................... 3 4
ons and ans w ers ........................................................................... 3 5
y ........................................................................... 3 7
es....................................................... 3 7
ng D C armature ................................................................................ 3 8
e ST OP / ST ART (Coast to stop) ................................................ 3 9
ng pushbuttons for ST OP / ST ART (W
ack take up) .................... 4 0
test motors .......................... 4 4
O verv
i
e w of
i
n
i
t
i
a
l
comm
i
ss
i
on
i
ng procedure
A
l
w
a
ys
c
h
eck
s
a
f
e
ty syst
e
ms tho
r
ough
l
y
a
nd obs
e
r
v
e
l
o
ca
l
s
a
f
e
ty
c
od
e
s.
The suggested strategy
i
s to start
i
n the safest poss
i
b
l
e mode of operat
i
on and progress
i
ve
l
y exerc
i
se each
e
l
ement of the system unt
il
fu
ll
funct
i
ona
li
ty has been ach
i
eved.
Th
i
s chapter
i
s a step by step approach up to 4
i
n th
i
s
li
st.
1) Check
i
nsta
ll
at
i
on and supp
li
es. (
L
1/2/3, E
L
1/2/3
and
c
ont
r
o
l
supp
l
y
) and a
ll
s
a
f
e
ty syst
e
ms.
2) C a
li
brate PL/X to match motor. (Use Armature vo
l
tage feedback be
l
o w base speed for f
i
rst run).
(Save ca
li
brat
i
on parameters)
3) Insert f
i
rebar (e
l
ectr
i
c heat
i
ng e
l
ement, h
i
gh w attage res
i
stor, e.g. 4 Ohms 1 K w)
i
n ser
i
es w
i
th armature
and check operat
i
on of contactor and f
i
e
l
d.
4) Remove f
i
rebar, perform A U T O T U NE and run motor up to base speed.
Check operat
i
on of feedback transducers and mechan
i
ca
l
components.
5) Introduce tacho or encoder feedback and proceed to f
i
e
l
d w eaken
i
ng
i
f requ
i
red.
6) Start
i
mp
l
ement
i
ng more comp
l
ex app
li
cat
i
ons b
l
ocks.
7
)
Ch
eck
s
a
f
e
ty syst
e
ms tho
r
ough
l
y
a
nd obs
e
r
v
e
l
o
ca
l
s
a
f
e
ty
c
od
e
s.
I
NCO
RR
ECT CONT
R
O
L
OF THE MA
I
N CONTACTO
R
I
S
THE MOST COMMON FO
R
M OF
PR
OB
L
EM.
PL
EASE
SEE SECT
I
ONS 4.2
a
nd 4.2.1 FO
R
FU
R
THE
R
HE
LP
.
Содержание PLX
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