W&T Com-Server++, Manual

Page: 103 / 228

103
W&T
Mode TCP client
Subject to error and alteration
Serial transmission parameters
SETUP Port x
UART Setup
...
Baud, Parity, Data Bits,
Stopbits, Handshake
Baud rate, data bits, parity and handshake procedure must
conform to the connected serial device. For details see section
Configuration of the Serial Port .
Serial receive buffer
SETUP Port x
UART Setup
...
Receive Buffer
...
The Com-Server has a variable serial receive buffer of approx.
4kB. The menu item allows this value to be reduced. Whether
the serial receive buffer is automatically cleared when a con-
nection is opened or any existing older data are sent to the
application is determined by the Flush Buffer option. Details
can be found in the section
Basic configuration of the Com-
Server .
Packeting options for serial receive data
SETUP Port x
TCP/IP Mode
...
TCP Client
...
Special Options
Activ. Packet Options
Packet Options
System Options
When sending serial protocols such as Modbus/RTU, it is of-
ten necessary to send serial received datagrams also closed
on the network side in a TCP packet. The menu paths shown
above offer various ways to parameterize serial packet limits
(pause times, start-/end sequences, datagram lengths) and to