Saving To A Csv File - Mitsubishi Electric MELSEC iQ-R Series User Manual

Saving to a CSV file

The logging data stored in the buffer memory areas can be saved to a CSV file by using module function blocks. The save
data is sorted in a time series, where the logging data can be easily checked.
However, module function blocks can be executed only when the logging operation is stopped. During the logging operation,
the execution of module function blocks is disabled.
Saving a CSV file
To save a CSV file, an SD memory card is required.
CSV files are saved in an SD memory card installed in the CPU module. CSV files cannot be saved in the built-in memory of
the CPU module.
Saving procedure
1.
Check that ON (1) is stored in 'CH1 Logging hold flag' (Un\G409).
2.
Execute the module function block.
If the execution state of the module function block is maintained, logging data can be saved in the CSV file
every time logging stops.
Data to be saved in a CSV file
The logging data stored in the buffer memory areas is saved.
For how to check the logging data, refer to the following.
Page 45 Checking data when a hold trigger has occurred
CSV file name
The name of the CSV file saved with the module function block varies depending on a module.
• Thermocouple input module
©
TD .CSV
Object CH
Consecutive numbers
First two digits of the start I/O number
of the thermocouple input module
(expressed in four hexadecimal digits)
• RTD input module
©
RD .CSV
Object CH
Consecutive numbers
First two digits of the start I/O number
of the RTD input module
(expressed in four hexadecimal digits)
*1 The maximum number of the consecutive numbers can be set with the input label i_Max_Number (maximum number of saving files) of
the module function block.
Ex.
The file name under the following condition is TD453006.CSV.
• Start I/O number of the thermocouple input module: 0450H
• Target channel: 3
• Saving to a CSV file: 6th time.
*1
*1
1 FUNCTIONS
57
1.10 Logging Function
1