Omron NS15-V2 Series, Руководство по установке

Страница: 213 / 334

6-6 Communications Settings
6-39
6-6 Communications Settings
The methods for setting the communications conditions with the host are described here.
6-6-1 Communications Conditions
Set the communications conditions by using operations from the Comm. Tab Page in the
System Menu, as follows:
After inputting the communications conditions, press the Write Button to save the settings.
Changed settings are enabled after the PT is restarted.
z
Communications Conditions Setting Items
The setting items for the communications conditions between the PT and host are as follows:
•
Communications Auto-return
Select whether or not to use communications auto-return using the ON and OFF Buttons.
ON: The PT will automatically return to RUN mode when a communications error oc-
curs, without displaying an error message dialog box.
OFF: The PT will stop running when a communications error occurs and an error
message dialog box will be displayed. Press the
OK Button in the error message
dialog box to return to RUN mode. The default setting is OFF.
•
Time-out Interval
Set the time before a timeout error occurs when a response is not received from the host.
The timeout interval can be set to between 1 and 10 (unit: s). Input the value by using the
tenkey or the Up ( ) and Down ( ) buttons that are displayed by pressing the display area.
The default setting is 3 s.
Precautions
for Safe Use
Set the time-out interval to 3 s min. when using 1:N NT Links. If the time-out
interval is less than 3 s, abnormal communications may occur.
•
Retry Counts
Set the number of retries for communications before an error screen will be displayed, when
a communications error occurs while communicating with the host. If communications are
unsuccessful after the number of communications retries specified here have been executed,