High Speed Data Sampling Setting - Mitsubishi Electric QJ81DL96 User Manual

Melsec q series, high speed data logger module
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11
FUNCTIONS OF CONFIGURATION TOOL (MODULE SETTINGS)

11.4.8 High speed data sampling setting

This section explains the settings to adjust the effect that the high speed data logger
module has on the programmable controller CPU sequence scan time.
Normally select "Batch data sampling mode". If the increase in sequence scan time
becomes a problem, consider changing to "Split data sampling mode".
Operating procedure
Setting screen
Item
*1
Batch data sampling mode
Split data sampling mode
POINT
This setting configures the sampling timing when high speed data sampling is
specified with the data logging setting, event logging setting, or report setting.
If general data sampling is specified, neither setting has an effect.
Click "Common setting" on the edit items tree of the Configuration Tool,
then click the
Effect on
scan time
For each programmable controller CPU sequence scan, samples all the high
Large
speed data sampling specified data in a batch.
(All the data can be synchronized and sampled.)
For each programmable controller CPU sequence scan, splits the high speed data
sampling specified data in order and samples them.
Small
• The data inside a single data logging, event logging, or report setting can be
synchronized and sampled.
• This helps reduce load imposed on the programmable controller CPU.
*1: Normally use this setting. If the effect on the sequence scan time becomes a problem, consider
changing to "Split data sampling mode".
button.
Description
11.4 Common Setting
11.4.8 High speed data sampling setting
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