7
vacon • 39
Fault tracing
Tel. +358 (0) 201 2121 • Fax +358 (0)201 212 205
7.3
Other fault conditions
The following fault tracing diagram will help you to locate and fix some of the most usual prob-
lems. If the problem persists contact your local distributor.
Figure 9. Fault tracing diagram for Modbus RTU
D
riv
e d
o
es
n
o
t
st
art f
rom
th
e
bu
s
Ch
eck
c
o
mmun
i-
ca
ti
o
n
s
ta
tu
s
(
p
a
r.
5.
7.
3.2.
1/5.
8.
3.
2
.2
)
Co
un
te
r do
es no
t
ru
n
Coun
te
r f
o
r
ba
d
fr
am
es
(
s
ee
T
a
bl
e
3) i
n
c
re
a
ses
Co
un
te
r OK.
No
c
o
m
m
unic
a
tion
Po
o
r
com
m
un
ic
a
tio
n
Is
th
e
de
vic
e
in
REA
D
Y s
tat
e?
C
h
e
c
k
t
h
e
le
d
on
ke
yp
a
d
Ch
eck
e
x
te
rna
l
in
te
rl
o
c
kin
g
s
(
I/O)
Is
fieldbus
s
e
le
ct
ed
as
c
o
n
tr
o
l place?
Ch
e
c
k p
a
rame
ter
M1.
1
5 o
r M3
.2
.1
Do
es M
a
s
ter
giv
e
R
U
N
com
man
d
?
Us
e k
e
ypa
d
t
o
mon
itor v
a
ri
a
b
le
M
5
.7
.3.
2
.5
Set v
a
riabl
e
A
V
3
6
to
‘
1
’
Ch
eck
f
ie
ldbu
s
pa
ra
meters
Ch
eck
o
the
r f
iel
d-
bu
s
pa
ra
m
e
te
rs
in
men
u
M5.
8
Ch
eck
s
e
le
ct
e
d
pr
o
to
c
ol
(
M
5.
7.
1.
1
)
Ch
eck
M
a
s
te
r’
s
pa
ra
m
e
te
rs
Ch
eck
c
o
n
fig
u
ra-
ti
on
s (
S
la
ve
a
d
d
-
re
ss
, b
a
u
d
ra
te
e
tc
.)
Ch
e
c
k
t
e
rmi
n
at
io
n
re
s
is
to
rs
Che
ck
that
bo
th
ends
o
f th
e
fiel
dbus
li
ne
h
a
ve
t
e
rm
in
a-
ti
on r
e
s
is
tor
s
(c
ha
p
te
r 4.
2
)
Ch
e
c
k c
a
b
li
n
g
C
h
ec
k
c
a
bl
e f
o
r
cu
ts
Chec
k c
orr
ec
t p
lac
e-
me
nt
o
f c
o
nd
u
ct
o
rs
in t
e
rm
in
a
ls
O
th
e
r bu
s d
e
vi
ces
C
h
ec
k
ot
h
e
r
ne
c
e
ss
ar
y device
s
(e
.g
. r
o
ute
r)
Che
c
k
t
e
rminati
o
n
re
s
is
to
rs
Ch
eck
t
h
at
bo
th
e
n
ds of t
h
e fi
eldb
u
s
li
ne
have
te
rmi-
na
ti
on
r
e
s
is
tor
s
(c
h
a
p
te
r 4.
2)
Ch
eck
p
a
ra
m
e
te
rs
Ch
eck
cablin
g
Ch
eck
di
s
tan
c
e
s
bet
w
ee
n c
a
b
le
s
,
se
e ch
apt
e
r
4
.2
.
Ch
eck
c
a
bl
e
ty
pe
s,
se
e ch
apt
e
r
3
.
C
h
ec
k
g
rou
n
d
in
g
C
h
ec
k
g
rou
n
d
in
g
,
see c
h
apt
e
r
4.
R
e
-
me
mbe
r to ma
k
e
gr
o
u
n
d
in
g f
o
r
eac
h
de
vi
ce!
Ch
eck
c
o
n
n
ec
ti
ons
Ch
eck
s
tri
pp
in
g
of
cab
le
s
an
d
co
nd
uc
to
rs
, s
e
e
ch
ap
te
r 4
.
Che
ck
te
rm
ina
ls
fo
r
lo
os
e c
o
n
n
e
c
ti
o
n
s
Содержание 100 INDUSTRIAL
Страница 1: ......
Страница 3: ...vacon 1 Tel 358 0 201 2121 Fax 358 0 201 212 205...
Страница 7: ...1 vacon 5 Safety Tel 358 0 201 2121 Fax 358 0 201 212 205...
Страница 11: ...3 vacon 9 Modbus technical data Tel 358 0 201 2121 Fax 358 0 201 212 205...
Страница 27: ...5 vacon 25 Programming Tel 358 0 201 2121 Fax 358 0 201 212 205...
Страница 43: ...7 vacon 41 Fault tracing Tel 358 0 201 2121 Fax 358 0 201 212 205...
Страница 45: ...8 vacon 43 Quick setup Tel 358 0 201 2121 Fax 358 0 201 212 205...
Страница 47: ......