DOCA0256EN-01

Write Acyclic Data

With DS_Write function, the PROFIBUS DP client can send data to the server. Before writing a block of data, it is recommended to read a block of data first, in order to protect data that is not impacted. The whole block will only be written if you have writing access, to be checked within each register table in the communication variables table.

For example: To write the current protection setting, set the data as follows:

Byte Value
0 (Function number) 0X5E (DS_Write function)
1 (Slot number) 1
2 (Index) 5
3 (Length) 4
4 to 7 New value of the current protection setting

For more information, refer to Data Mapping.

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