Mitsubishi QJ71MB91, User Manual

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App
- 6 Appendix 2 A Series Modules
Appendix 2.3 Utilization of existing programs
APPENDICES
(3) Buffer memory
There is no compatibility in buffer memory assignment between the QJ71MB91 and A
Series modules.
Create a new sequence program.
: Compatible : Partially changed : Incompatible
* 1 The MODBUS device assignment parameter setting area and setting contents are different
between the QJ71MB91 and A Series modules.
Modify the sequence program, or make the setting again on GX Configurator-MB.
TableApp.7 Comparison of buffer memories
Buffer memory address
Buffer memory name
Compatibility Precautions for replacement
AJ71UC24-S2
A1SJ71UC24-R2-S2
A1SJ71UC24-R4-S2
0000
H
(0) Mode setting status storage area
On the QJ71MB91, 0C00
H
to 0C04
H
(3072
to 3076) are used.
0001
H
(1) Station No. setting status storage area
0002
H
(2) CH1 side error response code storage area -
0003
H
(3) CH1 side detailed error code storage area
Check Error log 0CFE
H
to 0DFF
H
(3326 to
3583).
0004
H
(4) CH2 side exception code storage area -
0005
H
(5) CH2 side detailed error code storage area
Check Error log 0CFE
H
to 0DFF
H
(3326 to
3583).
0006
H
(6) CH1 side detailed LED status storage area
On the QJ71MB91, some data are partially
added.
0007
H
(7) CH2 side detailed LED status storage area
0008
H
(8)
CH1 side detailed LED clear request storage
area
0009
H
(9)
CH2 side detailed LED clear request storage
area
000A
H
(10) Error status read device code Check the specified device code value.
000B
H
(11) Head error status read device No. -
000C
H
(12) Computer link function FC value setting Not used on the QJ71MB91.
000D
H
to 000F
H
(13 to 15)
System area (use prohibited)
-
-
0010
H
to 0023
H
(16 to 35)
MODBUS device assignment parameter (Coil)
On the QJ71MB91, 900
H
to 9FF
H
(2304 to
2559) are used.
*1
0024
H
to 002F
H
(36 to 47)
System area (use prohibited)
-
-
0030
H
to 0043
H
(48 to 67)
MODBUS device assignment parameter
(Holding register)
On the QJ71MB91, 900
H
to 9FF
H
(2304 to
2559) are used.
*1
0044
H
to 0DEF
H
(68 to 3567)
User free area
On the QJ71MB91, 5000
H
to 5FFF
H
(20480 to 24575) are used.
0DF0
H
to 0DFF
H
(3568 to 3583)
System area (use prohibited)
-
-