Technical data

Server Properties Configuration
Manual Documentation Number: ESP904-4513m Chapter 5 31
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Data/Parity/Stop
Set this to match the data format used by the device connected when the
Virtual COM mode is not being used.
Flow Control
The Flow Control setting must match the requirements of the device
connected.
N
N
o
o
t
t
e
e
:
:
Select None when setting ESP Port 1 as RS-485 or 4-wire RS-422.
TCP/UDP Protocol
Select TCP (Transmission Control Protocol) or UDP (User Datagram
Protocol) protocol. If the application does not require a UDP connection,
select TCP. TCP guarantees reliable communication with error checking
whereas UDP provides faster transmission.
UDP Mode
When UDP mode is chosen the Serial timeout, TCP alive timeout,
Connection mode, Connection at, Max connection and Remote
IP address fields disappear and are replaced with four Destination
IP address range, Port number Source IP address range fields.
In this mode the server can be configured to broadcast data to and
receive data from multiple IP addresses. Four IP address range
fields are provided.
Figure 29. The Server UDP Configuration Screen