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User Manual
PROFIBUS Slave / Modbus Master
Document code: MN67561_ENG Revision 1.100 Page 12 of 22
SET COMMUNICATION:
This section defines the fundamental communication parameter of two
Buses, Serial and ProfiBus.
By pressing the "Set Communication" button from the main window for
SW67561 (Fig. 2), the window "Set Communication" appears (Fig. 3).
The Window is divided in two sections, one for the ProfiBus and the other
for the Serial.
The means of the fields for “Serial” are:
If the field “RS232” is checked, the serial line in use is the RS232,
otherwise if the field “RS485” is checked, the serial line in use is
the RS485;
In the field “Baud Rate” the baudrate for the serial line is defined;
In the field “Parity” the parity of the serial line is defined;
In the field “Stop Bits” the Stop Bits of the RS485 is defined;
In the field “TimeOut” there is the maximum time that the device
attends for the answer from the Slave interrogated;
In the field “Cyclic Delay” the delay between two requests is
defined;
In the subsection “Protocol” it is possible to select the protocol
that you wish to use between the following:
o
“Modbus RTU”;
o
“Modbus ASCII”;
o
“JBUS”;
o
Simple “Binary” Protocol;
o
Simple “ASCII” Protocol.
If the field “Write on Change Data” is checked, only when data change the value in PROFIBUS the data are writen in serial.
If the field “Cyclic Write” is checked, the data are writen every time by gateway.
Figure 3: “Set Communication” window
Summary of Contents for HD67561
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