Precautions for Correct Use
• The data saved in the Controller memory or RAM disk is deleted when the Controller is re-
started.
• If 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.
Additional Information
Image Logging
• When the number of files in the save destination folder increases, the time needed to save
images increases.
• If you specify Disable in Camera Image Input, its camera image will not be saved.
Number of Images That Can Be Saved
• This will depend on the size and resolution of the images and the number of Cameras con-
nected.
• The number of images that can be saved on the RAM disk in the Controller or a external stor-
age depends on available space.
- If the RAM disk is selected, the memory available in the RAM disk
- If external storage is selected, it depends on the external storage capacity.
• When you use the external storage device, some limitations may be required due to the com-
bination of file format and Sensor Controller model.
Sensor Controller
Model
File Format
FAT16 FAT32 NTFS
FH/FHV series
• When you save the
Image file to the im-
mediately below root
file, the number of
the Image files can
be saved is around
126.
• When you save the
Image file to one
folder, the number of
the Image files can
be saved is 16000.
• The total number of
the Image file can be
saved to the immedi-
ately below root file
or to one folder is
around 16000.
No limitation of file for-
mat.
*1. This limitation will be initialized at the restarting of the Sensor Controller.
Loading Data to a Computer
• Default settings are set so that logging data is saved in the RAM disk in the Controller.
When logging data is loaded to a computer, set external storage as the save destination.
Logging data is first saved to the RAM disk in the Controller. It can then be copied from the
RAM disk and saved to the external storage using Copy files in Save to file.
Calculating the Measuring Interval (Logging priority Mode)
If the Logging priority is set to Logging(default), all target images are measured are logged. This may
extend the processing time by the time that is required to generate the image files. The method that is
6 Performing Measurement and Adjustment
6 - 17
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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