Modbus services
Modbus services
4
What's in this Chapter?
This chapter contains the following topics:
Topic | Page |
|
|
Principle of the Modbus protocol | 32 |
|
|
RTU mode | 32 |
|
|
Modbus functions available | 33 |
|
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Read one word (03) | 33 |
|
|
Read indirect block (3) | 34 |
|
|
Write Single Register (6) | 36 |
|
|
Write multiple registers (16) | 37 |
|
|
Write indirect block (16) | 38 |
|
|
Read Device Identification (43/14) | 40 |
|
|
Error response | 41 |
|
|
S1A53844 01/2011 | 31 |
