560
(12)Conversion from A series to Q or L series
The special register (D9000 to D9255) for ACPU corresponds to the special register (SD1000 to SD1255) for
QCPU or LCPU after the A to Q/L conversion. (Note that the Basic model QCPU and Redundant CPU do not
support the A to Q/L conversion.)
All data in this area of the special register are set by system (cannot be set by user using a program). To set data
by user, correct the program using the special register for QCPU or LCPU. The special register (D9200 to
D9255), however, includes the areas that can be set by user. For those areas, data can be set by user in the
converted special register (SD1200 to SD1255) as well. For details on the special register for ACPU, refer to the
following.
User's manual for the CPU module used
Type MELSECNET, MELSECNET/B Data Link System Reference Manual
To use the converted special register in the High Performance model QCPU, Process CPU, Universal model QCPU, or
LCPU, check "Use special relay/special register from SM/SD1000" under "A-PLC Compatibility Setting".
Project window [Parameter] [PLC Parameter] [PLC System]
Note that the processing time will increase when the converted special register is used.
[How to read the Special Register for Modification column]
• If the special register number for QCPU or LCPU is provided, correct the program using it.
• means that the converted special register can be used.
• means that the special register cannot be used in QCPU or LCPU.
ACPU
special
register
Special
register
after
conversion
Special
register
after
modification
Name Meaning Explanation
Corresponding
CPU
D9000 SD1000 Fuse blown
Number of module
with blown fuse
• If a module with blown fuse is detected, the lowest first
I/O number of the module is stored in hexadecimal.
(Example: If a fuse blown is occurred in the output
module with output number Y50 to Y6F, "50" is stored in
hexadecimal.) To monitor the number by a programming
tool, monitor in hexadecimal. (This register is cleared
when contents in SD1100 to SD1107 are all reset to "0".)
• Output modules on remote I/O stations are also checked
for blown fuse.
Qn(H)
QnPH
QnU
*1
LCPU
*2
D9001 SD1001 Fuse blown
Number of module
with blown fuse
• If any fuse is blown, this register stores a number
corresponding to each setting switch number or to slot
number of the base unit.
• For the remote I/O station, the value of (module I/O
No./10
H
) + 1 is stored.
Qn(H)
QnPH
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
AJ02 I/O module
Extension base unit
Setting
switch
Stored
data
Base unit
slot No.
Stored
data
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