Chapter 6 Data Logging Function - Mitsubishi MELSEC Q series User Manual

CHAPTER 6
The data logging function allows logging of CPU module device values at the specified sampling intervals. The logged
data are stored on an SD memory card.
CPU module
QnUDVCPU
Word device
Bit device
Sampling interval
For the type of logging, refer to  Page 56, Section 6.3.
*1
*2 For the target data, refer to  Page 49, Section 6.1.
A block of the target data, which are collected according to the same sampling interval and logging type settings, is
referred to as a data logging setting. Up to 10 data logging settings can be configured with the data logging function.
( Page 110, Section 8.4)
48
DATA LOGGING FUNCTION
LCPU
or
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Target data
SD memory card
Data
logging file
(CSV format)
OFF, 10
ON, 11
Trigger logging
ON , 12
(when condition(s)
ON , 11
*1
is met)
OFF, 10
*2
Continuous logging Specification period
*1
(continuously) logging (while
conditions are met)
*1