P94MOD01B
Table of Contents
1. Safety Information ...................................................................................................4
1.1
Warnings, Cautions & Notes ............................................................................................. 4
1.2
Reference Documents...................................................................................................... 6
2. Introduction .............................................................................................................6
2.1
Modbus Overview ........................................................................................................... 6
2.2
Ethernet TCP/IP Modbus Configuration ............................................................................ 6
2.3
Modbus RTU Implementation Specification ..................................................................... 7
3. Installation ..............................................................................................................9
3.1
Mechanical Installation .................................................................................................... 9
3.2
Electrical Installation ....................................................................................................... 10
4
Modbus Protocol Details .........................................................................................11
4.1
Data Transmission .......................................................................................................... 11
4.2
Register Numbering ........................................................................................................ 12
4.3
Supported Modbus Function Codes ................................................................................. 12
5
Drive Memory Access ............................................................................................12
5.1
Mapping from Drive Variable to the Register Address ...................................................... 12
5.2
Register Reading ............................................................................................................ 13
5.3
Register Writing .............................................................................................................. 13
5.4
No Response Conditions ................................................................................................. 14
5.5
Exception Responses ...................................................................................................... 15
6
Commissioning ......................................................................................................16
6.1
Drive Monitoring ............................................................................................................. 16
6.2
Controlling the Drive ....................................................................................................... 16
6.3
Changing Drive Parameters ............................................................................................ 16
7
Programming Parameters ......................................................................................16
7.1
Negative Number Transmission ...................................................................................... 16
