IMS - Datalogging - File size and content

During a machine cycle, files containing a header and data are sent at regular intervals to the ftp server.
Between cycles, a file containing just a header is sent at the same time interval to act as a watchdog and confirm that the network is fuctional.
Typical settings and data rates are shown below.

Machine type            Washer/Disinfector        Autoclave/Steriliser 				
Typical cycle time      45 to 90 mins             20 to 45 mins
datalog interval        5 seconds                 1 second
ftp interval            5 minutes                 1 minute		
Number of files/cycle   9 to 18                   20 to 45					
data file size          3.7k bytes                3k bytes
watchdog file size*     30 bytes                  31 bytes
Data per cycle          33k to 66k bytes          60k to 102k bytes
at 5 cycles per day     165k to 330k bytes/day    300k to 600k bytes/day
for 356 days            60-120 MB/year            109-218 MB/year
*The watchdog file size is directly influenced by the name used for the machine as it is sent at the start of each header row.

Example header file				
Steriliser ID,70,1,67,84,85,69
Example data file 				
Steriliser ID,70,1,67,84,85,69
110914_060737,123456,99.9,275.00,0,0,1,13179,0
110914_060738,123456,100.0,269.00,0,0,1,13180,1
110914_060739,123456,100.1,264.00,0,0,1,13181,2


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