Anuscpu/A2Ascpu Dedicated Instruction - Mitsubishi Electric MELSEC Q Series Handbook

7
REPLACEMENT OF PROGRAM
Function
Jump to END
instruction
*1 Deleting or adjusting is required, since it becomes the instruction of different function.
*2 Converted to "SM1255" as inconvertible instruction.

7.7.9 AnUSCPU/A2ASCPU dedicated instruction

(1) Display method of dedicated instruction
The dedicated instructions for the QnUCPU/QnASCPU using LEDA, LEDB, LEDC, SUB, and LEDR
instructions are changed into instructions in the same format as basic instructions and application
instructions by the AnUSCPU.
Some instructions are not converted since the QnUCPU/QnASCPU does not have the corresponding
instruction.
The instructions are converted into OUT.
Replace or delete instructions that have been converted to OUT SM1255.
Command
(2) Dedicated instruction with changed instruction name
For the AnUSCPU/A2ASCPU, some instruction names are the same as the basic instructions/
application instructions. Those names have been changed by the QnUCPU/QnASCPU.
Function
Floating decimal point addition
Floating decimal point subtraction
Floating decimal point multiplication
Floating decimal point division
Data dissociation
Data linking
7
- 43
QCPU/QnASCPU
Format of instruction
• Add dedicated
instruction.
QCPU/QnASCPU
n
Instruction S D
name
Remarks Format of instruction
AnUSCPU/A2ASCPU
Command
S, D, n indicate the data used in instructions.
QCPU/QnASCPU
E+
E-
E
*
E/
NDIS
NUNI
AnSCPU
Remarks
• P255: END
instruction
*2
specification
Instruction
LEDA(B)
name
LEDC/SUB S
LEDC/SUB D
n
LEDC/SUB
LEDR
AnUSCPU/A2ASCPU
ADD
SUB
MUL
DIV
DIS
UNI