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User Manual M-Bus Master / Modbus TCP Slave
Document code: MN67044_ENG Revision 2.100 Page 14 of 37
SET COMMUNICATION:
This section define the fundamental communication parameters of two Buses, Modbus and M-Bus.
By Pressing the “
Set Communication ” button from the main window for SW67044 (Fig. 2) the window
“Set Communication” appears (Fig. 3).
The window is divided in three sections, the first used for select the device, one for the Modbus TCP
(Ethernet) and the other for the M-Bus.
The means of the fields for Select Device are:
If the hardware in your possession is the HD67044M-xxx you have to select “ HD67044M ”;
otherwise if the hardware in your possess is the HD67044-B2-xxx you have to select “ HD67044-
B2 ”.
The means of the fields for Ethernet are:
In the field “ IP Address ” the IP address of the converter is defined;
In the field “ Subnet Mask ” the Subnet Mask of the converter is defined;
In the fields “ GATEWAY ” the default gateway of the net is defined. This feature can be enabled or
disabled pressing the Check Box field. This feature is used for going out of the net.
In the field “ Port ” the number of the TCP port used for Modbus TCP communication is defined;
In the field “ Connection TimeOut (min) ” a timeout for the TCP connection is defined. If any TCP
message is received for the timeout defined, the converter forces the closing of the TCP socket
(only for HD67044-B2).
The means of the fields for M-Bus are:
In the field “ Baudrate ” the baudrate of the M-Bus line is defined;
In the field “ Parity ” the parity of the M-Bus line is defined;
In the field “ M-Bus Poll ” the modality of M-Bus polling of the converter is defined. If “On Request”
is checked, it sends the request only if a Modbus register is requested; otherwise if “ Cyclic ” is
checked, the converter sends the request in M-bus network cyclically;
In the field “ Delay for Cyclic (s) ” a time expressed in seconds is defined. This time is used for
“Cyclic” mode;
Figure 3: “Set Communication”
window