Mitsubishi MELSEC System Q User Manual

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Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU and Q25HCPU:
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= Storage is possible
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= Storage is not possible
A program stored in the standard ROM or memory card (RAM or ROM) is transferred to the
program memory at power-on and executed in the program memory. Hence, if the program is
stored in the standard ROM or memory card (RAM or ROM), the program memory needs suffi-
cient free space to accept that program.
For use of the debugging data for trace function, a failure history or a general-purpose file, the
memory card must be loaded.
Overview of the data that can be stored
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Program
Ladder, list or SFC sequence program file. When running multiple programs, multiple pro
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gram files are also stored in memory.
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Parameters
File storing PLC parameters and network parameters set during programming.
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Special function module parameter
Parameter file set using the GX Configurator. This file does not exist if you do not use the
setting made with the GX Configurator.
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Device comment
File of device comments annotated to each device of the CPU. This file does not exist if
device comments are not created.
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Device initial value
List of values given to devices in the CPU module at power-on. This file does not exist if
device initial values are not used.
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File Register
File register (R, ZR) file. Setting different file names allows multiple file register files to be
stored. Note that file registers can be stored in a ROM memory card (drive 2) but not in an
ATA card (Q2MEM-8MBA/16MBA/32MBA). The file registers stored in a flash memory
card allow read only in the program and do not allow data changes in the program.
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Local devices
Local devices are devices exclusively used with the corresponding programs in the pres
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MELSEC System Q Beginners Manual 3 – 13
The MELSEC System Q The CPU Modules
Data
Built-in memory Memory cards
Program
memory
(Drive 0)
RAM
(Drive 3)
ROM
(Drive 4)
RAM
(Drive 1)
Flash ROM
(Drive 2)
ATA ROM
(Drive 2)
Program
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Parameters
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Intelligent func
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tion module
parameters
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Device comment
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Device initial
value
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File register
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Local devices
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Debugging data
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Failure history
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Data file written
by a FWRITE
instruction
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Mitsubishi MELSEC System Q Specifications

General

Brand	Mitsubishi
Model	MELSEC System Q
Category	Controller
Language	English