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User Manual
PROFIBUS Slave / Modbus Master
Document code: MN67561_ENG Revision 1.100 Page 14 of 22
SET ACCESS:
By pressing the “Set Access” button from the main window for SW67561 (Fig. 2) the window “Set SDO Access” appears.
This window is divided in two parts, the "ProfiBus IN --> Serial Read" (Fig. 4) and the "Serial Write --> ProfiBus OUT" (Fig. 5).
The first part ("ProfiBus IN --> Serial Read") is used to read the data that arrived from the Slave ProfiBus.
The second part ("Serial Write --> ProfiBus OUT") is used to write the data that will be sent to the Slave ProfiBus.
ProfiBus IN --> Serial Read
The means of the fields are:
In the field “Slave ID” the address of the Modbus
device you have to read is defined;
In the field “Type” insert the data type of the
Register you would like to read. You can choose
between the following:
o
Coil Status;
o
Input Status
o
Holding Register;
o
Input Register.
In the field “Address Register” the start address of
the register to be read is defined;
In the field “NPoint” insert the number of consecutive registers to be read;
If the field “SWAP” is checked, the data read is swapped
In the field “Address ProfiBUS” the address for the ProfiBus is defined;
In the field “Mnemonic” the description for the request is defined.
Figure 4: “Set SDO Access / ProfiBus IN --> Serial Read” window
Summary of Contents for HD67561
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