Omron SYSDRIVE 3G3MV - Page 209

7-15
D DSR Message
Byte No. Data Data
example
(Hex)
1 Slave address 02
2 Function code 03
3
Register No. of read start data
00
4
R
e
g
i
s
t
e
r
N
o
.
o
f
r
e
a
d
s
t
a
r
t
d
a
t
a
20
5
No. of registers of read data
00
6
N
o
.
o
f
r
e
g
i
s
t
e
r
s
o
f
r
e
a
d
d
a
t
a
04
7
CRC-16 check
45
8
C
R
C
-
1
6
c
h
e
c
k
F0
D Response
Normal
Byte No. Data Data
example
(Hex)
1 Slave address 02
2 Function code 03
3 No. of bytes of attached data 08
4
Data in register No. 0020
MS B 00
5
D
a
t
a
i
n
r
e
g
i
s
t
e
r
N
o
.
0
0
2
0
LSB 65
6
Data in register No. 0021
MSB 00
7
D
a
t
a
i
n
r
e
g
i
s
t
e
r
N
o
.
0
0
2
1
LSB 00
8
Data in register No. 0022
MSB 00
9
D
a
t
a
i
n
r
e
g
i
s
t
e
r
N
o
.
0
0
2
2
LSB 00
10
Data in register No. 0023
MSB 01
11
D
a
t
a
i
n
r
e
g
i
s
t
e
r
N
o
.
0
0
2
3
LSB F4
12
CRC-16 check
AF
13
C
R
C
-
1
6
c
h
e
c
k
82
Error
Byte No. Data Data
example
(Hex)
1 Slave address 02
2 Function code 83
3 Error code 03
4
CRC-16 check
F1
5
C
R
C
-
1
6
c
h
e
c
k
31
Communications Chapter 7