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7 APPLICATION INSTRUCTIONS
7.6 Reading/Writing Data Instructions
■
For RnCPU (firmware version "27" or earlier), RnENCPU (firmware version "27" or earlier),
RnPCPU, and RnSFCPU
• Control data (d1)
• File name (s2)
• Read data (d2)
Operand: (d1)
Device
Item
Description
Setting range
Set by
+0
Execution/completion
type
Specify the execution type.
• 0000H: Reading binary data
• 0100H: Reading data after converted to CSV format
0000H
0100H
User
+1
Completion status
The completion status is stored upon completion of the instruction.
• 0000H: Completed successfully
• Other than 0000H: Completed with an error (error code)
System
+2
Number of read-target
data
Specify the number of read-target data (in units of words). (in units of words)
Even when "Byte" is specified by (d1)+7, specify the number in units of words.
1 to 65535
User
+3
Not used
+4
+5
File position
■
When "Reading binary data" is specified by (d1)+0
• 00000000H: From the beginning of the file
• 00000001H to FFFFFFFEH: From the specified position (The data unit is
determined by (d1)+7.)
• FFFFFFFFH: Cannot be specified.
■
When "Reading data after converted to CSV format" is specified by (d1)+0
• 00000000H: From the beginning of the file
• 00000001H to FFFFFFFEH: From the specified row
• FFFFFFFFH: From the position where the previous reading ends
00000000H to
FFFFFFFFH
User
+6
Number of columns
When "Reading binary data" is specified by (d1)+0, set 0.
When "Reading data after converted to CSV format" is specified by (d1)+0, set the
number of read-target columns.
• 0: No column (Regarded as one row.)
• Other than 0: Number of specified columns
0000H to FFFFH
(0 to 65535)
User
+7
Data type specification
0: Word
1: Byte
0, 1
User
Operand: (s2)
Device
Item
Description
Setting range
Set by
+0 to +
File name character
string
Specify the string of the file name.
When omitting an extension, omit the ". (period)" as well.
Specify the name within 60 characters (a period and extension excluded).
If 61 or more characters are used, the extension is ignored and replaced with ".BIN"
or ".CSV".
Unicode string
User
Operand: (d2)
Device
Item
Description
Setting range
Set by
+0
Number of data actually
read
The number of data actually read is set.
The data unit is determined by (d1)+7.
System
+1 to +
Read data
The read data is stored.
System
Содержание MELSEC iQ-R Series
Страница 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Страница 2: ......
Страница 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Страница 34: ...32 MEMO ...
Страница 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Страница 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Страница 204: ...202 5 SEQUENCE INSTRUCTIONS 5 3 Output Instructions Operation error There is no operation error ...
Страница 470: ...468 6 BASIC INSTRUCTIONS 6 6 Data Conversion Instructions Operation error There is no operation error ...
Страница 472: ...470 6 BASIC INSTRUCTIONS 6 6 Data Conversion Instructions Operation error There is no operation error ...
Страница 479: ...6 BASIC INSTRUCTIONS 6 6 Data Conversion Instructions 477 6 Operation error There is no operation error ...
Страница 504: ...502 6 BASIC INSTRUCTIONS 6 7 Data Transfer Instructions Operation error There is no operation error ...
Страница 518: ...516 6 BASIC INSTRUCTIONS 6 7 Data Transfer Instructions Operation error There is no operation error ...
Страница 520: ...518 6 BASIC INSTRUCTIONS 6 7 Data Transfer Instructions Operation error There is no operation error ...
Страница 754: ...752 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 756: ...754 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 758: ...756 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 760: ...758 7 APPLICATION INSTRUCTIONS 7 9 Real Number Instructions Operation error There is no operation error ...
Страница 895: ...7 APPLICATION INSTRUCTIONS 7 16 Ramp Signal Instruction 893 7 Operation error There is no operation error ...
Страница 917: ...7 APPLICATION INSTRUCTIONS 7 20 Data Processing Instructions 915 7 Operation error There is no operation error ...
Страница 919: ...7 APPLICATION INSTRUCTIONS 7 20 Data Processing Instructions 917 7 Operation error There is no operation error ...
Страница 1415: ...13 SFC PROGRAM INSTRUCTIONS 13 1 SFC Control Instructions 1413 13 Operation error There is no operation error ...
Страница 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Страница 1795: ...25 TYPE CONVERSION FUNCTIONS 25 1 Converting BOOL to WORD 1793 25 Operation error There is no operation error ...
Страница 1805: ...25 TYPE CONVERSION FUNCTIONS 25 10 Converting WORD to DINT 1803 25 Operation error There is no operation error ...
Страница 1819: ...25 TYPE CONVERSION FUNCTIONS 25 21 Converting INT to DWORD 1817 25 Operation error There is no operation error ...
Страница 1950: ...1948 32 STRING FUNCTIONS 32 2 Extracting String Data From the Left Right Operation error There is no operation error ...
Страница 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Страница 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Страница 2082: ...2080 APPX Appendix 6 Process Control Program Examples 129 Set the default value of the loop tag ...
Страница 2093: ...APPX Appendix 7 List of Loop Tag Memory Areas Used by Process Control Instructions 2091 A MEMO ...
Страница 2109: ......