Procedure Overview Of The Data Logging File Transfer Function - Mitsubishi MELSEC Q series User Manual

7.4.1

Procedure overview of the data logging file transfer function

The following flowchart lists a procedure for performing the data logging file transfer function.
<Preparation for data logging>
Configure data logging settings and write
them to the CPU module (standard
ROM/SD memory card).
<Start of data logging>
Start data logging by the start operation
from the configuration tool.
<Start of data logging file transfer function>
The data logging file transfer function starts
when data logging starts.
<Data sampling>
The data configured in the configuration tool
are collected and saved to an SD memory
card.
<Stop of data logging>
By the following operation, registration of
the data logging setting in the CPU module
is cancelled.
• Stop operation from the configuration tool
<Stop of data logging file transfer function>
The data logging file transfer function stops
when the file transfer is completed.
: User operation
: Operation of CPU module
*1 Check that the CPU module is connected to the target server using a file transfer test before performing file transfer.
( Page 88, Section 7.4.4)
*2 Transfer status can be checked using file transfer diagnostics. ( Page 89, Section 7.4.5)
For the start operation from the configuration tool, refer to  Page 149, Section 8.10.
*3
For the file transfer status, refer to  Page 85, Section 7.4.3.
*4
*4
Is the file
Yes
transfer set?
<File transfer>
No
Data logging files are transferred to the FTP
server.
• Standby : When a file is saved while other
files are being transferred, the
file enters standby.
• Transfer data overflow : A standby file
enters the transfer data overflow
status when a file with the same
setting No. as that of the standby
file is saved.
CHAPTER 7 OTHER FUNCTIONS
*1
*3
*3
*2
Has
the file transfer
completed?
No
Yes
If a file transfer has failed
due to communication error,
*3
files are resent (retry).
83
7