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6
FUNCTIONS
6.1 DB Interface Function
6.1.5 Trigger buffering function
6
- 7
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
SETTINGS AND
PROCEDURE TO
OPERATION
5
INSTALLATION AND
UNINSTALLATION
6
FUNCTIONS
7
MES INTERFACE
FUNCTION
CONFIGURATION TOOL
8
DB CONNECTION
SERVICE AND
SETTING TOOL
6.1.5 Trigger buffering function
When multiple sets of trigger conditions (conditions for data transmission) are met in a
concentrated manner, their data and trigger times are buffered in the module's internal
memory so that actions (data operation/transmission) can be executed later using the
buffered data.
Even if the frequency of data transmission triggers is high, jobs are executed without
missing any trigger.
To utilize the trigger buffering function, enable [Trigger buffering] at each Job settings.
(1) Trigger buffering function
This section explains the operations of the job for which [Trigger buffering] is enabled.
(a) In a normal case (Trigger interval Processing time for action)
• When trigger conditions are met, tag data and trigger time are stored in the
trigger buffer.
• Based on the information in the trigger buffer, an action is executed
immediately.
Figure 6.5 In a normal case
[Normal case]
Trigger buffer
Job 1
Trigger
conditions met
Time
Job 1
Action
execution
Time
Sending
data
[MES interface module]
Database