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7-16
7-3-3 Loop-back Test (Function Code: 08 Hex)
H
Settings and Response
•
The DSR message from the Master is returned as a response. The Inverter does not retrieve or pro-
cess this data.
•
The DSR message or normal response for loop-back test use is divided into 8-byte blocks as shown
below. Any data can be set as test data 1 or 2 provided that the number of data items remains changed.
•
This command is used for checking the status of communications or for dummy communications with-
out detecting any communications time-over.
D
DSR Message
Byte No.
Data
1
Slave address
2
Function code (08 Hex)
3
Test data 1
4
5
Test data 2
6
7
CRC-16 check
8
D
Response
Normal
Byte No.
Data
1
Slave address
2
Function code (08 Hex)
3
Test data 1
4
5
Test data 2
6
7
CRC-16 check
8
Error
Byte No.
Data
1
Slave address
2
Function code (88 Hex)
3
Error code
4
CRC-16 check
5
Note
When an error occurs, the MSB of the function code will be set to 1.
Communications
Chapter 7
Summary of Contents for SYSDRIVE 3G3MV-A2001
Page 1: ...Cat No I527 E1 04 USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter...
Page 2: ......
Page 3: ...USER S MANUAL Multi function Compact Inverter SYSDRIVE 3G3MVSERIES...
Page 18: ......
Page 23: ...Chapter 1 Overview 1 1 Functions 1 2 Nomenclature 1 3 New Features 1...
Page 32: ......
Page 33: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
Page 74: ......
Page 93: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
Page 102: ......
Page 142: ......
Page 242: ......
Page 268: ......
Page 269: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Page 303: ...Chapter 10 List of Parameters 10...
Page 337: ...Chapter 11 Using the Inverter for a Motor 11...
Page 343: ......
Page 344: ...I527 E1 04...