Appendix 4.2 Special Relays And Special Registers With Different Specifications - Mitsubishi Electric MELCEC Q Series User Manual

APPENDICES
Appendix4.2 Special relays and special registers with different specifications
The QCPU-A do not use the following special relays and special registers.
Although no error occurs even if the following special relays and special registers in the
original program remain in the newly created program (they will be ignored), it is
recommended to delete them from the program.
Appendix4.3 Parameter setting
The parameters set in the existing CPU module can be utilized without any modifications if
none of them meets the following conditions.
Microcomputer program
Registering the module
name by I/O assignment
(By the system FD
compatible with the
The processing of the following items is different from the parameter setting of the existing
CPU module.
• M9010 ........... Turns on when an operation error occurs, and off when the error is
removed.
• M9053 ........... Turns on when executing the EI instruction with the link refresh
enable instruction or the interrupt enable instruction and the DI
instruction with the link refresh disable instruction or the interrupt
disable instruction.
Setting Item
The microcomputer program area of the QCPU-A is dedicated for the SFC.
"PARAMETER ERROR" occurs if a utility package for the microcomputer program
capacity
is stored in the microcomputer program area of the existing CPU module.
When the AD57 module or AD57-S1 module is used in the existing system, the
utility package of the SW
The QCPU-A system does not allow the AD57 or AD57-S1 to be loaded.
QCPU-A).
• Watchdog timer setting ............The set time is ignored, and 200ms is applied.
• Interrupt counter setting .......... The interrupt counter set by the A1SHCPU and
Description
-AD57P is stored in the microcomputer program area.
A2SHCPU are ignored and processed as a normal
counter by the sequence program.
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