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Chapter 5 Data Log Function
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5.3 Specific Functions
Data log function refers to storing device values of PLC CPU at a set interval or when the trigger condition occurs. Thus
collected data are saved into the SD memory card in CSV format.
5.3.1 Data Type and Device
You can save device memories using XGB’s data log function. When the clock function is normal, the memory is saved along
with the time information.
If the clock function is abnormal, the time information is saved as the default value, which is 1984/ 01/01 00:00:00.000.
(1) Data Type
The data types and character strings that can be saved using the internal data log function of high-performance XGB is as
follows.
Data Type Output Size (including ‘,’ BYTE)
BIT 0 or 1 2
BYTE 00 ~ FF 3
WORD 0000 ~ FFFF 5
DWROD 00000000 ~ FFFFFFFF 9
LWORD 00000000 00000000 ~ FFFFFFFF FFFFFFFF 17
SINT -128 ~ 127 5
INT -32,768 ~ 32,767 7
DINT -2,147,483,648 ~ 2,147,483,647 12
LINT -576,460,752,303,423,488 ~ 576,460,752,303,423,487 21
USINT 0 ~ 255 4
UINT 0 ~ 65,535 6
UDINT 0 ~ 4,294,967,295 11
ULINT 0 ~ 1,152,921,504,606,846,975 20