11-11
11.8 Troubleshooting
Refer to Troubleshooting when RS-485 communication error occurs.
Check points Corrective measures
Is the power provided to the converter? Provide electric power to the converter.
Are the connections between converter and
computer correct?
Refer to converter manual.
Is Master not polling? Verify the master is polling the inverter.
Is baud rate of computer and inverter correctly
set?
Set the correct value in accordance with“11.3
Installation”.
Is the data format of user program* right? Revise User Program (Note1).
Is the connection between converter and
communication card right?
Check for GF the correct wiring in accordance
with“11.3 Installation”.
(Note 1) User program is User-made S/W for PC.
11.9 Miscellaneous
ASCII Code List
Character Hex Character Hex Character Hex Character Hex Character Hex
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
56
57
58
59
5A
a
b
c
d
e
f
g
h
i
J
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
61
62
63
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F
70
71
72
73
74
75
76
77
78
79
7A
0
1
2
3
4
5
6
7
8
9
space
!
"
#
$
%
&
'
(
)
*
+
,
-
.
/
30
31
32
33
34
35
36
37
38
39
20
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
:
;
<
=
>
?
@
[
\
]
{
|
}
~
BEL
BS
CAN
CR
DC1
DC2
DC3
DC4
DEL
3A
3B
3C
3D
3E
3F
40
5B
5C
5D
5E
5F
60
7B
7C
7D
7E
07
08
18
0D
11
12
13
14
7F
DLE
EM
ACK
ENQ
EOT
ESC
ETB
ETX
FF
FS
GS
HT
LF
NAK
NUL
RS
S1
SO
SOH
STX
SUB
SYN
US
VT
10
19
06
05
04
1B
17
03
0C
1C
1D
09
0A
15
00
1E
0F
0E
01
02
1A
16
1F
0B
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