LSIS LSLV-S100 - Page 298

RS-485 Communication Features
284
Monitor Registration Execution Normal Response
ACK
Station ID
CMD
Data
SUM
EOT
06h
‘01’-‘FA’
‘Y’
‘XXXX…’
‘XX’
04h
1 byte
2 bytes
1 byte
n x 4 bytes
2 bytes
1 byte
Total bytes= (7 + n x 4): a maximum of 39
Monitor Registration Execution Error Response
NAK
Station ID
CMD
Error Code
SUM
EOT
15h
‘01’-‘FA’
‘Y’
‘**’
‘XX’
04h
1 byte
2 bytes
1 byte
2 bytes
2 bytes
1 byte
Total bytes=9
7.3.1.4 Error Code
Code
Abbreviation
Description
ILLEGAL FUNCTION
IF
The requested function cannot be performed by a slave
because the corresponding function does not exist.
ILLEGAL DATA
ADDRESS
IA
The received parameter address is invalid at the slave.
ILLEGAL DATA VALUE
ID
The received parameter data is invalid at the slave.
WRITE MODE
ERROR
WM
Tried writing (W) to a parameter that does not allow
writing (read-only parameters, or when writing is
prohibited during operation)
FRAME ERROR
FE
The frame size does not match.
7.3.1.5 ASCII Code
Character
Hex
Character
Hex
Character
Hex
A
B
C
D
E
F
G
H
I
J
K
L
M
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
q
r
s
t
u
v
w
x
y
z
0
1
2
71
72
73
74
75
76
77
78
79
7A
30
31
32
@
[
\
]
{
|
}
-
BEL
BS
40
5B
5C
5D
5E
5F
60
7B
7C
7D
7E
07
08