Data Logging File; Storage Format Of Data Logging Files - Mitsubishi Electric MELSEC iQ-R Series User Manual

20.6

Data Logging File

This section describes data logging files.

Storage format of data logging files

The following storage formats are available for data logging files.
File format Application
Unicode text file format This is a file format which can be opened in generic-purpose application programs such
as Excel and Notepad. GX LogViewer is also available for displaying data.
Binary file format Comparing the Unicode text file format, the size of files is small and therefore quicker
access to files is provided. GX LogViewer is also available for displaying data.
Data output format
This section describes each of file output types.
■Unicode text file output type
This section describes the format specifications of the Unicode text file output type and output content of each data.
• Format specifications
Item
Delimiter
Return code
Character code
Character encoding schema
Field data
*1 When double quotation marks (" ") and/or commas (,) are included in the output data, the following processing occurs:
 When the data includes commas (,), whole data is enclosed by double quotation marks (" ").
 When the data includes double quotation marks (" "), another set of double quotation marks will be appended to each of them.
• File format example
Output items can be specified. ( CPU Module Logging Configuration Tool Version 1 Operating Manual (MELSEC iQ-R
Series))
File information row
[LOGGING]
Comment row
LOG01
Data type
DATETIME[YYYY/MM/DD hh:mm:ss.sss]
information row
TIME(UTC+09:00)
Data name row
Device comment row
2014/10/01 12:00:00,000
2014/10/01 12:01:00,000
2014/10/01 12:02:00,000
2014/10/01 12:03:00,000
Data rows
2014/10/01 12:04:00,000
2014/10/01 12:05:00,000
2014/10/01 12:06:00,000
2014/10/01 12:07:00,000
Date column
Description
Tab
CRLF (0x0D, 0x0A)
Unicode
UTF-16 (Little-Endian)
Not enclosed by double quotation marks (" ")
Double quotation marks (" ") and commas (,) cannot be used in each data.
No. for data type information row
Model information_
File type
file version
RCPU_2 3
INTERVAL STEP NO.
INTERVAL[μs] STEP NO.
100 4
100 4
100 4
100 4
100 4
100 4
100 4
100 4
Data collection
interval column
Execution step No. column
No. for device comment row
No. for data
No. for data name row start row
4 5 7
PROGRAM NO. PROGRAM NAME INDEX
PROGRAM NO. PROGRAM NAME INDEX
1 MAIN 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
Index column
Execution program
No. column
Execution program name column
Reference
Page 269 Unicode text file
output type
Page 274 Binary file output
format
*1
No. for comment row
2 6
SHORT[DEC.0] BIT[1;0] BIT[1;0] TRIGGER[*]
D1 M0 M1 Trigger
Start contact
1234 1 1
1234 0 0
1234 0 0
0 0 0
0 0 0
0 0 0 *
0 0 0
0 0 0
Data columns
Trigger
occurrence
information
column
20 DATA LOGGING FUNCTION
20.6 Data Logging File
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