Read And Write Extended File Register; Data To Be Specified In Command - Mitsubishi Electric MELSEC IQ-R series Reference Manual

18.5

Read and Write Extended File Register

The extended file register is a memory area that stores required data and operation result for various data processing and
AnACPU and AnUSCPU extended file register dedicated instructions by using the software package for extended file register
'SWOGHP-UTLPC-FN1' or 'SW0SRX-FNUP' (hereinafter abbreviated to UTLP-FN1 and FNUP). The extended file register
uses free area of user memory area in CPU module as a file register.
This section explains the commands for reading and writing extended file register.
For the message formats other than request data and response data, refer to the following sections.
Page 391 Message Format, Page 391 Details of Setting Data
For the considerations when reading and writing extended file register, refer to the following section.
Page 371 Considerations for reading and writing extended file register
For the specification method of the extended file register, refer to the following section.
Page 372 Specification method for extended file register

Data to be specified in command

Block number
Specify the block number of the extended file register.
■Data communication in ASCII code
Convert the numerical value to 4-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
Send 2-byte numerical value.
Device number
Specify the device number of the extended file register.
When reading or writing (command: 3B, 3C) extended file register directly, refer to the following section.
Page 373 Device number (address) specification using AnA/AnUCPU common commands
■Data communication in ASCII code
Convert the numerical value to 12-digit ASCII code (hexadecimal), and send it from the upper digits.
■Data communication in binary code
Send 6-byte numerical value.
18 COMMUNICATING USING 1E FRAMES
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18.5 Read and Write Extended File Register