EKI-6333AC-4GP User Manual
82
3.5.1.2
Virtual COM
To use the
Virtual COM
function, you have to specify the operation mode for the
multi-function serial port first. Go to
Field Communication
>
Bus & Protocol
>
Port
Configuration
, select the Virtual COM as expected operation mode, and finish the
related port configuration as well.
To access this page, click
Field Communication
>
Bus & Protocol
>
Virtual COM
.
Configure the gateway as the TCP (Transmission Control Protocol) Client. In TCP
Client mode, device initiates a TCP connection with a TCP server when there is data
to transmit. Device disconnects from the server when the connection is Idle for a
specified period. You may also enable full time connection with the TCP server.
Figure 3.108 Field Communication > Bus & Protocol > Virtual COM
When
Edit
button is applied, a screen similar to this appears.
Figure 3.109 Field Communication > Bus & Protocol > Virtual COM
The following table describes the items in the previous figure.
Item
Description
Serial Port
It displays the serial port ID of the serial port. The number of serial
ports varies from the purchased model.
Operation Mode
Select
TCP Client
mode.
Connection Control
Select
Always on
for a TCP full time connection. Otherwise, select
On-Demand
to initiate TCP connection only when required to
transmit and disconnect at idle timeout.
Connection Idle Timeout Enter the idle timeout in minutes. The idle timeout is used to
disconnect the TCP connection when idle time elapsed. Idle
timeout is only available when
On-Demand
is selected in the
Connection Control
field.
Value Range: 0 ~ 3600 seconds.
Alive Check Timeout
Enter the time period of alive check timeout. The TCP connection
will be terminated if it doesn’t receive response of alive-check
longer than this timeout setting. Alive check timeout is only
available when
On-Demand
is selected in the
Connection
Control
field.
Value Range: 0 ~ 3600 seconds.
Enable
Check
Enable
checkbox to activate the corresponding serial port
in specified operation mode.
Save
Click
Save
to save the settings.
Undo
Click
Undo
to cancel the settings.
