Omron J7 series, User Manual

Page: 119 / 177

105
DSR Message and Response
Chapter 7-4
Example of Data Read
In the following example, two-register data (the RUN command) is written
from register 0002 Hex of the Inverter with a Slave address of 01.
DSR Message
Response
Normal
Error
Byte No. Data Data
example
(Hex)
1 Slave address 01
2 Function code 10
3 Register No. of write start data 00
4 01
5 Number of registers of write data 00
6 02
7 Data of start register 04
8 Data in register No. 0001 MSB 00
9 LSB 01
10 Data in register No. 0002 MSB 02
11 LSB 58
12 CRC-16 check 63
13 39
Byte No. Data Data example
(Hex)
1 Slave address 01
2 Function code 10
3 Register No. of write start data 00
4 01
5 Number of registers of write data 00
6 02
7 CRC-16 check 10
8 08
Byte No. Data Data example
(Hex)
1 Slave address 01
2 Function code 90
3 Error code 02
4 CRC-16 check DC
5 C1