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7.6 System Setting
7.6.4 Setting items in DB buffering setting
7
MES INTERFACE FUNCTION CONFIGURATION TOOL
(3) Resend DB buffer request
(a) Select a tag component used to request for resend processing of the DB buffer.
Note that the following tags are not selectable.
• Tags for which [Prohibit data writing] is enabled
• Tags for which [Array setting] is set.
(b) The following explains the operation of the resend processing using [Resend DB
buffer request].
*1 Do not change the value of the specified tag component until the resend processing is completed.
Even if the value changes, however, the resend processing is not interrupted.
*2 To make another DB buffer resend request after completion of resend processing, wait for a
sampling interval of the specified tag component or more, and then turn it ON or write "1".
Table 7.29 Operation of the resend processing using [Resend DB buffer request]
Data type of tag component Description
Bit
The resend processing of the DB buffer is performed when the specified tag
component is ON.
Normal: Turns OFF after completion of the resend processing.
*1 *2
Error: Outputs error code, 0B83h, to the error log, and turns OFF.
Other than the above
The resend processing of the DB buffer is performed when "1" is written to the
specified tag component.
Normal: "0" is written after completion of the resend processing.
*1 *2
Error: Outputs error code, 0B83h, and "0" is written.
Resend DB buffer request
Tag component value
DB buffer resend processing
Execute resend