4-107
Chapter 4. Functions
Files
The following table shows the folders and files in the CDS depending on the setting
of "Data selection."
Item
"Data selection" setting
Standard Custom Ring
Save destination microSD memory card Same as on the left Same as on the left
Folder Root folder name CDS Same as on the left LOG
Folder name BLK _
_: Serial number from 0 to 64
Same as on the left LOG_
_ : Serial number from 001 to
100
Maximum number
of files in one folder
1,000 Same as on the left 200
Maximum number
of files in the
microSD memory
card.
65,000 Same as on the left 20,000
File File name xxxx_yyyyy_z.dat
xxxx: Number of power ON/OFF
cycles
yyyyy: Number of files created
since power ON
z: File division classification
(0: first file, 1: following file)
Same as on the left xxx_yyyyy.csv
xxx: Same as _ in the folder
name.
yyyy: Serial number from
0001 to 0200
Management file
name
No management file Same as on the left xxx_yyyyy.last
xxx_yyyy: Same as the name of
the last written file.
Maximum file size
for each file
Approx. 2 MB Same as on the left Approx. 192 KB
Character code Characters: Shift-JIS (ASCII)
Linefeed: CR+LF
(hexadecimal 0D
and 0A)
Delimiter: , (hexadecimal 2C)
Decimal point: . (hexadecimal 2E)
Same as on the left Same as on the left
Recorded
content
Health index data Included* None Same as on the left
Section Consists of the context section and
time sequence data section.
“Sections (Standard)” table
below
Consists of the header
section and data section.
“Section (Custom
and Ring)” table below
Same as on the left
Number of data
items
10 data items × number of loops Selected from "1 to 40." Same as on the left
Data type Records diagnostic data for
enabled loops, including the PID
constant, health index (specific R
value, R value), SP, PV, and MV.
“Sections (Standard)” table
below
Selected from "standard
bit code and standard
numerical code."
14 - 2 Standard Bit
Codes and Standard
Numerical Codes
(p.14-6)
Same as on the left
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