GTWIN Reference Manual 4.5 System Setting Menu139Field DescriptionNumber of Words Select the number of words to log.Scaling/Reference OrderField DescriptionScaling For certain data formats, scaling is available. When activated, you can set max.and min. limits and scale the data between the PLC and GT.For example, if you set the max. value for the GT range to 100 and the max.value of the PLC range to 10, the GT values will be scaled, i.e. divided by 10when written to the SD memory card.Values beyond the limits will be set to the limit value and then scaled.Reference Order Available when ASCII is selected as the data format. Specify the order forreferencing such data.4.5.4.3 Record Area Control for Data LoggingYou can control certain data logging functions from a PLC by activating record area controland specifying the initial address in the control device. Following is a description of the recordcontrol areas.Area DescriptionTrigger stopPLC GTDeactivate the logging trigger and stop logging data.Logging file creationGT PLCTurns on when logging file is being created. Use it to determine the filenumber being logged.Record area clearPLC GTTurns on when data in record area is being cleared. Use it to forcibly clear therecord area if desired.Record area clear completeGT PLCTurns on when clear is complete.This bit can also be used to reset the bit "Record area clear".Record area controlAddr. Bit Description Addr. Bit DescriptionN+0 0 Log file 0 trigger stop. N+1 0 Log file 0 record area clear.1 Log file 1 trigger stop. 1 Log file 1 record area clear.2 Log file 2 trigger stop. 2 Log file 2 record area clear.3 Log file 3 trigger stop. 3 Log file 3 record area clear.4 Log file 4 trigger stop. 4 Log file 4 record area clear.5 Log file 5 trigger stop. 5 Log file 5 record area clear.6 Log file 6 trigger stop. 6 Log file 6 record area clear.7 Log file 7 trigger stop. 7 Log file 7 record area clear.8 Log file 0 logging file creation. 8 Log file 0 record area clearcomplete.
