How To Read Instruction Tables - Mitsubishi MELSEC Q Series Programming Manual

2.2

How to Read Instruction Tables

The instruction tables found from Section 2.3 to 2.5 have been made according to the following
format:
Category
+
BIN
16-bit
+P
addition
and
subtraction
+
operations
+P
1) 2)
Description
1) ..........Classifies instructions according to their application.
2) ..........Indicates the instruction symbol added to the instruction in a program.
2-4
Table 2.2 How to Read Instruction Tables
Symbol
+ S D
+P S D
+ S1 S2 D
+P S1 S2 D
3)
Instruction code is built around the 16-bit instruction. The following notations are used to
mark 32-bit instructions, instructions executed only at the leading edge of OFF to ON,
real number instructions, and character string instructions:
• 32-bit instruction ..... The letter "D" is added to the first line of the instruction.
Example + D+
16-bit instruction 32-bit instruction
• Instructions executed only at the leading edge of OFF to ON
............................... The letter "P" is added to the end of the instruction.
Example +
Instruction executed Instruction executed
when ON only at the leading
edge of OFF to ON
• Real number instructions
............................... The letter "E" is added to the first line of the instruction.
Example + E+
Real number instructions
• Character string instructions
............................... A dollar sign $ is added to the first line of the instruction.
Example + $+
Character string instructions
Processing Details
(D)+(S) (D)
(S1)+(S2) (D)
4)
+P
Execution
C ondition
3 6-16
4 6-20
5) 6) 7) 8)