Item
Set value
[Factory default]
Description
Destination [Save to memory] Saves data to the Controller memory (RAM).
Save to memory +
file
Images that are saved to the Controller memory (RAM) are
saved as files to external storage or to the RAM disk in the
Controller.
[Save to memory
+ FTP Server]
Images that are saved to the Controller memory (RAM) are
saved as files to the FTP server.
Precautions for Correct Use
• Logging images saved in the Controller memory are overwritten starting with the oldest image
if the upper limit for the number of save images is exceeded.
For details, refer toA-7 About Number of Logging Images on page A - 24.
• The data saved in the Controller memory or RAM disk is deleted when the Controller is re-
started.
• If an external storage is specified as the save destination, the processing time may be longer
or may fluctuate. Be sure to check functionality thoroughly before starting operation.
• If images and data are logged to a network drive, the use of the multi-input function and other
heavy measurement loads on the Controller may slow down communications and cause log-
ging errors.
In this case, set the measurement Takt time so that there is some leeway.
• Save to memory + FTP Server can be used with FH/FHV series only.
• There are below limitations for Save to memory + FTP Server function.
- Connection via a proxy server cannot be made.
- Some servers will not generate logging errors even if save memory capacity is insufficient.
• In the case of where a recognition delay of external storage has occurred at start-up of the
Sensor Controller depending on types or number of connections of external storage, logging
may fail in a measurement executed just after start-up of the Sensor Controller. Use the De-
vice Information Storage Tool to execute logging to external storage.
For details, refer to 3-6-2 Device Information Storage Tool on page 3 - 31.
• In the case where a connection with an FTP server needs longer time at startup of the Sen-
sor
Controller depending on types of FTP server, logging may fail just after start-up of the Sensor
Controller.
In that case, start a measurement after sufficient time passed after the Sensor Controller
start-up according to your usage environment.
Additional Information
In order to perform logging quickly, image files are first saved in the Controller memory (RAM).
The Controller memory (RAM) for saving images is a ring memory.
For details, refer to A-7 About Number of Logging Images on page A - 24.
If power of the Controller is turned OFF or it is restarted, the data saved in the Controller memo-
ry or RAM Disk will be cleared. Select Save to memory + file or Save to memory + FTP Server
to save them in external storage.
When Save to memory + file in Destination is selected, set the destination and file names.
Item
Set value
[Factory default]
Description
Folder name
• [RAM Disk]
• Drive name of
external storage
device
Specify the image file save destination (RAM disk or external
storage). Logged images are saved in the specified save
destination folder. (Maximum number of characters: 128 sin-
gle-byte characters)
6 Performing Measurement and Adjustment
6 - 11
FH/FHV Series Vision System User’s Manual (Z365-E1)
6-3 Useful Functions for Operation
6
6-3-1 Logging Measurement Values and Measurement Images [Data Logging/Image Logging]
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