7-17
D
Response
Normal
Byte No.
Data
1
Slave address
2
Function code (10 Hex)
3
Register No. of write start data
MS B
4
Register No. of write start data
LSB
5
No. of registers of write data
MSB
6
No. of registers of write data
LSB
7
CRC-16 check
8
CRC-16 check
Error
Byte No.
Data
1
Slave address
2
Function code (90 Hex)
3
Error code
4
CRC-16 check
5
CRC-16 check
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.
H
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.
D
DSR Message
Byte No.
Data
Data
example
(Hex)
1
Slave address
01
2
Function code
10
3
Register No. of write start data
00
4
Register No. of write start data
01
5
No. of registers of write data
00
6
No. of registers of write data
02
Communications
Chapter 7
Summary of Contents for SYSDRIVE 3G3MV A2002
Page 1: ...USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter Cat No I527 E2 02...
Page 15: ...Chapter 1 Overview 1 1 Function 1 2 Nomenclature 1 3 New Features 1...
Page 24: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
Page 89: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
Page 286: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Page 311: ...Chapter 10 List of Parameters 10...
Page 342: ...Chapter 11 Using the Inverter for a Motor 11...
Page 348: ...Appendix A Standard Models...