Mitsubishi MELSEC-A series

2. INSTRUCTIONS
2 − 2
MELSEC-A
2.2 Instruction List
2.2.1 Explanation for instructions lists
Instruction lists in Section 2.2.2 to 2.2.4 are in the following format.
Table 2.2 Explanation for Instructions Lists
Classi-
fication Unit
Instruction
Symbol
Symbol Contents of Processing
Execu-
tion Con-
dition
Number of steps
Index
Subset
Applicable CPU Page
+ 5 6-10
+P
(D)+(S)→(D)
5 6-10
+ 7 6-10
+P
(S1) + (S2) → (D)
7 6-10
- 5 6-10
-P
(D) - (S) → (D)
5 6-10
- 7 6-10
BIN
16-bit
addition
/subtrac
tion
16 bits
+P
(S1) - (S2) → (D)
7 6-10
Explanation
1)….. Classifies the instructions by applications.
2)….. Indicates the unit of processing at the execution of instruction.
Unit of
Processing
Device Number of Points
X,Y,M,L,F,B Max. 16 points in units of 4 points.
16 bits
T,C,D,W,R,A,Z,V 1 point
X,Y,M,L,F,B Max. 32 points In units of 4 points
32 bits
T,C,D,W,R,A0,Z 2 Points
*
1
1) 2) 3) 4) 5) 6)
7) 8) 9) 10) 11)