Mitsubishi Electric Melsec Q Series User Manual page 187

7
MES INTERFACE FUNCTION CONFIGURATION TOOL
(4) Clear DB buffer request
(a) Select a tag component used to request for clear processing of the DB buffer.
(b) The following explains the operation of the clear processing using [Clear DB
Note that the following tags are not selectable.
• Tags for which [Prohibit data writing] is enabled
• Tags for which [Array setting] is set.
buffer request].
Table 7.30 Operation of the clear processing using [Clear DB buffer request]
Data type of tag
component
The clear processing of the DB buffer is performed when the specified
tag component is ON.
Turns OFF after completion of the clear processing.
Clear DB buffer request
Bit
Tag component value
The DB buffer is cleared when "1" is written to the specified tag
component.
Other than the above
"0" is written after completion of the clear processing.
*1 Do not change the value of the specified tag component until the clear processing is completed.
Even if the value changes, however, the clear processing is not interrupted.
*2 To make another DB buffer clear request after completion of clear processing, wait for a sampling
interval of the specified tag component or more, and then turn it ON or write "1".
Description
DB buffer clear
processing
7.6 System Setting
7.6.4 Setting items in DB buffering setting
*1 *2
Execute clear
*1 *2
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