Data To Be Specified In Commands - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Data to be specified in commands

This section explains the data to be specified in command when an external device manages files in the CPU module.
Keyword
Allow/prohibit the access to the specified drive.
When a keyword has already been registered, specify the same keyword.
For the content of the data, refer to the following section.
Page 290 Keyword
Setting flag
A data that indicates whether the keyword registered to the specified drive is specified to the keyword above.
For the content of the data, refer to the following section.
Page 290 Setting flag
Drive name, Drive No.
A data to specify the drive in a CPU module of which files are to be managed.
For the method on how to specify the drive name and its corresponding drive, refer to the following section.
Page 291 Drive name
File No.
A value to specify the registered number when a file specified by file name and extension is registered (written) to CPU
module, or the registration number when registering to CPU module.
■Data communication in ASCII code
Convert the file No. to 4-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
*1
Send the 2-byte value that indicates file No. from the lower byte (L: bits 0 to 7).
*1 For C24, the additional code may be added. (Page 35 Additional code (10H))
Ex.
1FH
ASCII code
0 0 1 F
30 30 31 46
H H H H
■Specified content of file No.
Value to be specified
01H to 100H
FFFFH
The file No. of the registered file can be checked using the following functions.
Page 308 Read file information table without header statement (command: 0201)
Page 311 Read file information table with header statement (command: 0202)
Page 314 Read file presence (Search file) (command: 0203)
The unused file No. at registering new file can be checked using the following function.
Page 316 Read file No. usage status (command: 0204)
15 QnACPU DEDICATED COMMANDS
298
15.3 File Control
Binary code
1F 00
H H
Description
File No.
File No. unknown
Content to be specified
Specify when the file No. is known.
Specify when C24/E71 searches for file No.
(The request to read/write data from/to C24/E71 will be delayed for
more than one sequence scan time.)