TECHNICAL BULLETIN
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[Issue No.] FA-A-0147-A
(4) Drive and file
Item
Precaution
Replacement method
Reference
Boot file setting
A memory card (SRAM card, ATA
card, or Flash card) cannot be
specified as a transfer source.
Specify an SD memory card as a
transfer source.
Section 2.11 in the
QnUCPU User's Manual
(Function Explanation,
Program Fundamentals)
Device comment
A device comment file cannot be
stored in an SRAM card.
Store the file in the standard RAM.
-
A device comment file cannot be
stored in an ATA card nor Flash card.
Store the file in an SD memory card.
-
Initial device value
An initial device value file cannot be
stored in an SRAM card.
Store the file in the standard RAM or
standard ROM.
Section 3.25 in the
QnUCPU User's Manual
(Function Explanation,
Program Fundamentals)
An initial device value file cannot be
stored in an ATA card nor Flash card.
Store the file in an SD memory card.
Local device
A local device file cannot be stored
in an SRAM card.
Store the file in the standard RAM.
If the size of the local device file
exceeds the standard RAM
capacity, consider the use of an
extended SRAM cassette.
Section 6.2 in the QnUCPU
User's Manual (Function
Explanation, Program
Fundamentals)
File register
A file register file cannot be stored in
an SRAM card.
Store the file in the standard RAM.
If the size of the file register file
exceeds the standard RAM
capacity, consider the use of an
extended SRAM cassette.
Section 4.7.1 in the
QnUCPU User's Manual
(Function Explanation,
Program Fundamentals)
A file register file cannot be stored in
a Flash card. (Sequence programs
only can read file register data in a
Flash card.)
Use the initial device value file in an
SD memory card or the
FREAD/FWRITE instructions.
Section 3.25 in the
QnUCPU User's Manual
(Function Explanation,
Program Fundamentals)
MELSEC-Q/L
Programming Manual
(Common Instruction)
Sampling trace
A sampling trace file cannot be
stored in an SRAM card.
Store the file in the standard RAM.
If the size of the sampling trace file
exceeds the standard RAM
capacity, consider the use of an
extended SRAM cassette.
Section 3.14 (2) in the
QnUCPU User's Manual
(Function Explanation,
Program Fundamentals)
CPU module change
function with memory card
A memory card cannot be specified
as a backup destination or
restoration source.
Specify an SD memory card as a
backup destination or restoration
source.
Section 3.31 in the
QnUCPU User's Manual
(Function Explanation,
Program Fundamentals)
