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User Manual
PROFINET / Modbus TCP Master
Document code: MN67611_ENG Revision 1.001 Page 17 of 29
In the field “
Max Error
” insert the number of consecutive errors that the Master waits before discard the row from the cycle of
requests;
By checking the field “
On Change
” the Modbus write request is made only if PROFINET data are changed; otherwise is sent cyclically,
using the “Poll Time”. This feature is used only on “Modbus Write” section;
In the field “
Position
” is possible to select the position where take/save the data from PROFINET array;
The field “
Start Bit
” is used for select from which Bit save the data (to use only when the “Type” is ‘Coil Status’ or ‘Input Status’ and
the “NPoint” is more than one);
In the field “
Mnemonic
” is possible to insert a description of the data inserted in the row.
Note:
If you want that the Modbus register/status is written only when data are changed, the “Poll Time” of the row must be 0.
Note:
If the field “On change” is checked and the “Poll Time” is different from 0, the converter sends the Write request cyclically and also
when the data is changed.
XML FILE:
By Pressing the “
PROFINET XML
” button from the main window for SW67611 (Fig. 2) it is possible to generate the xml file to be imported
into the master PROFINET.
Figure 5: “PROFINET XML File Name” window
