Industrial
Electronic Devices
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User Manual
Ethernet to RS232 / RS485
Document code: MN67038-2_ENG Revision 1.400 Page 12 of 25
O
PERATING
M
ODALITY
:
T
UNNEL
P
OINT TO
M
ULTIPOINT WITH
B
ROADCAST
(M
ASTER
S
IDE
)
This mode allows a serial line to be extended into sections, using a LAN
line, where the device is on the side of the one that controls the line as
Master and the others that are on the client’s side.
To configure a device as Master the field “Master Side” of “Operating
Modality” section must be checked.
In the case of the master, it isn’t necessary to provide any other IP address
because the packets are sent in broadcast.
The means of the fields for “Ethernet Configuration” are:
Select the “Work with Broadcast”, in this way the master sends the
messages in Broadcast;
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 field “Port” the Port of the Converter is defined.
The means of the fields for “Serial Configuration” are:
If you are using HD67038-2 or HD67038-2-M Converter, the field
“RS232” must be checked; instead if you are using HD67038-25 or
HD67038-25-M Converter, if the field “RS485” is checked the serial
line in use is the RS485 otherwise is the RS232;
In the field “BaudRate” the velocity of the serial line in use is
defined;
In the field “Parity” the parity of the serial line in use is defined.
The button "ACTIVE SERIAL DRIVER" is used to activate the "Serial to Ethernet Connector". For more details go to page 17.
Figure 8: “General Parameter” window (Tunnel Point to Multipoint
Master Side)