Chapter 19 File Control; Memory And File; Relevant Variables - Mitsubishi Electric MELSEC iQ-R Series User Manual

19
FILE CONTROL
19.1

Memory and File

The programs and parameters used in the motion system control are stored in files. The file storage location can be set freely
by parameters of each control and I/O variables of FB.
The motion system built-in memory, the control CPU module memory of the motion system, and an SD memory card can be
used as data area for file storage.
Operation of this function at each status of system
: Possible
Status
STOP
RUN
Moderate error
Major error

Relevant variables

Variable/Structure name
System.Md.
Storage_rom
Storage_sys
Storage_ram
Storage_lch
Storage_sdc
Environment_UserRootPath
HwStatus_RomWriteCycle
19 FILE CONTROL
496
19.1 Memory and File
Operation availability




Name
User drive information
System drive information
RAM drive information
Latch drive information
SD memory card information
User root path
Flash ROM write count index value
Details
Stores the information of user drive.
Stores the information of system drive.
Stores the information of RAM drive.
Stores the information of latch drive.
Stores the information of SD memory card.
Stores the absolute path of user root.
Stores the flash ROM write count index value.