Mitsubishi MELSEC Q series User Manual page 41

Programmable controller
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(3) Data type information line
The data type of each column is displayed. Data are output in the format of (data type) [(additional information)].
Item
Date and time column
DATETIME
Data sampling interval
INTERVAL
column
Execution step No.
STEP NO.
Execution program
PROGRAM NAME
name column
Index column
INDEX
Bit type: BIT
16-bit integer (unsigned): USHORT
16-bit integer (signed): SHORT
32-bit integer (unsigned): ULONG
32-bit integer (signed): LONG
Data column
Single-precision floating point (32-bit): FLOAT
Double-precision floating point (64-bit):
DOUBLE
Character string type: STRING
Numeric string type: RAW
Trigger information
TRIGGER
column
*1
For example, when 128 point decimal data is logged in the 16-bit integer (signed) format (when the date and time (in
"YYYY/MM/DD hh:mm:ss.s" format), data sampling interval, execution step No., execution program name, and index
columns are selected for output), the size of the data type information line is the total of the following.
(8 + 23) (date and time) + 8 (data sampling interval) + 8 (execution step No.) + 12 (execution program name) + 5 (index)
+ (5 + 7)  128 (data) + 132 (number of commas) + 2 (CR + LF) = 1734 bytes
"Data type" output
*1
"Additional information" output
Size
A format is output.
8 bytes
Example: [YYYY/MM/DD hh:mm:ss.s]
8 bytes
8 bytes
None
12 bytes
5 bytes
3 bytes
Bit type: [1;0]
5 bytes
Decimal format: [DEC.0]
6 bytes
4 bytes
Hexadecimal format: [HEX]
5 bytes
5 bytes
Exponential representation: [EXP, (number of
fractional digits)]
6 bytes
6 bytes
Character string or numeric string type: The
specified length of data (in byte units) is output.
3 bytes
[(Character string for indicating trigger
occurrence)] is output. (Semicolon (;), double
7 bytes
quotation marks (" ") and comma (,) cannot be
used.)
CHAPTER 3 SPECIFICATIONS
*1
Size
3 to 34
bytes
0 bytes
0 bytes
0 bytes
0 bytes
5 bytes
7 bytes
5 bytes
7 to 8
bytes
3 to 5
bytes
3 to 34
bytes
39
3

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