App - 5 App - 5
MELSEC-Q
APPENDIXES
Appendix 3.3 Buffer memory
The following table lists differences in buffer memory between the QJ71DN91 and the
AJ71DN91/A1SJ71DN91.
Model
Buffer memory address
QJ71DN91 AJ71DN91/A1SJ71DN91
Precautions when replacing the
AJ71DN91/A1SJ71DN91 with the
QJ71DN91
Hex. Dec.
0000
H
to 007F
H
0 to 127
Use prohibited
Input data
Replace the address of Input data with
the address of Master Function Receive
Data (address: 0700
H
to 07FF
H
).
0080
H
to 00FF
H
128 to 255
Use prohibited
Output data
Replace the address of Output data with
the address of Master Function Transmit
Data (address: 0900
H
to 09FF
H
).
01A8
H
to 01A9
H
424 to 425
Use prohibited
Model display
Replace the address of Model display
with 0620
H
to 0624
H
.
01C0
H
to 01C3
H
448 to 451
Node Communication Error
Status
Use prohibited
This area is used for the function added
to the QJ71DN91.
01D4
H
468
Use prohibited
Parameter (host station)
Set the host node number with the node
number switches (see Section 5.3.2).
01D5
H
469
Use prohibited
Parameter (baud rate)
Set the baud rate with the mode switch.
(See Section 5.3.3.)
01D7
H
471
Parameter for Master Function
(Constant Scan)
Use prohibited
This function is added to the
QJ71DN91.
03F0
H
1008
Auto Configuration Operation
Setting
Use prohibited
0500
H
to 05FB
H
1280 to 1531
I/O Address Area for Master
Function
Use prohibited
05FC
H
1532
Present Link Scan Time
Use prohibited
05FD
H
1533
Minimum Link Scan Time
Use prohibited
05FE
H
1534
Maximum Link Scan Time
Use prohibited
0600
H
1536
Slave Function Communication
Status
Use prohibited
0601
H
1537
Error Information for Slave
Function
Use prohibited
060E
H
1550
Slave Function Receive-Bytes
Setting Area
Use prohibited
060F
H
1551
Slave Function Transmit-Bytes
Setting Area
Use prohibited
0620
H
to 0624
H
1568 to 1572
Model Name
Use prohibited
0625
H
1573
Node No.
Use prohibited
0626
H
1574
Mode Switch No.
Use prohibited
062E
H
1582 Hardware Test Item Area
Use prohibited
062F
H
1583
Hardware Test Result Area
Use prohibited
0630
H
1584
Parameter Area Select Bit
Use prohibited
0631
H
1585
Auto Communication Start
Setting
Use prohibited
0632
H
1586
Operation Setting Area for Bus
Off Error
Use prohibited
0633
H
1587
Data consistency dedicated
instruction setting area
Use prohibited
0634
H
1588
Data consistency dedicated
instruction setting status area
Use prohibited
0700
H
to 07FF
H
1790 to 2047
Master Function Receive Data
Use prohibited
0900
H
to 09FF
H
2304 to 2559
Master Function Transmit Data
Use prohibited
0B00
H
to 0B3F
H
2816 to 2879
Slave Function Receive Data
Use prohibited
0C00
H
to 0C3F
H
3072 to 3135
Slave Function Transmit Data
Use prohibited
Содержание QJ71DN91
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