Mitsubishi Q2ACPU User Manual

App - 131
APPENDICES
Appendix 4.13 Accessing File Register R with Instructions
For QnACPU, no error will occur even if an instruction for accessing file registers outside
the setting range is executed.
When reading data, FFFF
H is stored to the storage device. When writing data, the
instruction is executed but no data is stored in the file register.
For ACPU, execution of such an instruction causes an error.
The capacity of file register R is set by parameter. It is therefore necessary to check the
capacities of file registers before executing instructions that access file registers, such as
the MOV instruction and + instruction.

Mitsubishi Q2ACPU Specifications

General

Brand	Mitsubishi
Model	Q2ACPU
Category	Controller
Language	English