IDEC SmartAXIS Touch FT1A Series, User Manual

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SmartAXIS Touch User’s Manual
14-31
4 Using the Data
14
Data Log Function
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Example 2: When the amount of data is less than the data to copy
When the sampling time and values of devices from data start number 1 to end number 3 are copied to the
destination device as two items of data
Item Setting
Destination Device LDR10
Starting Point Newest Data
Number of Data 2
Stored Order of Data From Oldest to Newest
Target Data
Sampling Time, Value of Device
Data No.: Start No. 1, End No. 3
When writing with the following settings, “Device range error” is displayed.
• Starting Point is 0 or a value larger than the amount of saved data
• Start No. is 0 or a value larger than Data No.
• End No. is 0 or a value larger than Data No.
• Start No. is a value larger than End No.
Data Log data
Sampling Time Data 1 Data 2 Data 3 (no data)
10/01/2011 12:00:30 10 40
10/01/2011 12:34:56 100 60
10/02/2011 03:45:12 200 80 ← Newest Data read starting point
Destination Device Value
Configured device → LDR10 2011 ← Copy from oldest data
LDR11 10
←
First sampling time
LDR12 01
LDR13 12
LDR14 34
LDR15 56
LDR16 2011
←
Second sampling time
LDR17 10
LDR18 02
LDR19 03
LDR20 45
LDR21 12
LDR22 100
←
First data 1 value
LDR23 200
←
Second data 1 value
LDR24 60
←
First data 2 value
LDR25 80 ← Second data 2 value
LDR26 0 ← First data 3 value
LDR27 0
←
Second data 3 value
1.
2.
3.
4.
1.
2.
3.
4.
If the amount of data in the Data Log is less
than the data to copy, 0 is stored