Omron SYSDRIVE 3G3JV User Manual page 141

Communications
D DSR Message
Byte No.
1 Slave address
2 Function code (10 Hex)
3 Register No. of write start data g
4
5 Number of registers of write data (16 max.)
6
7 Data of start register
Data of next register
8
9
Data of next register
10
11
12 Data of next register
13
:
CRC-16 check
n–1
n
D Response
Normal
Byte No.
1 Slave address
2 Function code (10 Hex)
Register No. of write start data g
3
4
Number of registers of write data
5
6
CRC-16 check
7
8
Error
Byte No.
1 Slave address
2 Function code (90 Hex)
3 Error code
4 CRC-16 check
5
Note 1. When an error occurs, the MSB of the function code will be set to 1.
Note 2. A broadcast message uses the same DSR message format. The Slave address is, however,
always set to 00 and only register 0001 Hex (the RUN command) and register number 0002
Hex (the frequency reference) can be written.
7-16
g (
g
g
g
g
Data
)
:
Data
Data
Chapter 7
MSB
LSB
MSB
LSB
MSB
LSB
:
MS B
LSB
MSB
LSB