Mitsubishi Electric MELSEC-A0J2H Series Handbook page 114

7
PROGRAMS REPLACEMENT
Item
File register
Timer and Counter
Parameter
Special relay
Special register
Comment
7
- 2
A0J2HCPU specifications
• A storage area is secured in the
program memory.
• The maximum setting is 4k points.
• The timer and counter are
processed with END.
• Dedicated parameters are
available.
• 256 points of M9000 to M9255 are
available.
• 256 points of D9000 to D9255 are
available.
• Classifies comments into common
comments and local comments.
: Compatible, : Partially changed,
Universal model QCPU
specifications and
precautions for replacement
[Specifications]
• Stored to the standard RAM.
• One block is a 32k point unit.
[Measures]
• Writing is required by the write to
PLC.
• The Q00UJCPU is not equipped
with the standard RAM.
• To use the file register, select the
Q00UCPU.
[Specifications]
• The timer and counter are
processed when the instructions
are executed.
[Measures]
• The timing of the timer and counter
processing are different, so the
program needs to be reviewed.
[Specifications]
• Dedicated parameters are available
for each CPU.
[Measures]
• As the specifications/functions
differ, to replace with QCPU,
confirm those differences and
reconfigure the parameters.
[Specifications]
• 2048 points of SM0 to SM2047 are
available.
[Measures]
• Although the setting values are
automatically converted during
replacement with QCPU, some
specifications differ and need to be
reviewed.
[Specifications]
• 2048 points of SD0 to SD2047 are
available.
[Measures]
• Although the setting values are
automatically converted during
replacement with QCPU, some
specifications differ and need to be
reviewed.
[Specifications]
• Manages all comments as local
comments and common
comments.
• Comments are automatically
replaced by changing the PLC type
in GX Developer at QCPU
conversion.
• QCPU comment capacity depends
on the memory capacity.
: Incompatible
×
Reference
Compatibility
sections
Section
7.7.10
Section
7.7.4,
Section
7.7.5
Section 7.3
Section 7.4
Section 7.5
Section
7.1.2