Mitsubishi MELSEC Q Series Programming Manual

2-4
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:
Table 2.2 How to Read Instruction Tables
Description
1) ..........Classifies instructions according to their application.
2) ..........Indicates the instruction symbol added to the instruction in a program.
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.
• Instructions executed only at the leading edge of OFF to ON
............................... The letter "P" is added to the end of the instruction.
• Real number instructions
............................... The letter "E" is added to the first line of the instruction.
• Character string instructions
............................... A dollar sign $ is added to the first line of the instruction.
+ S D
+PSD
+ S1 S2 D
+PS1 S2
D
(D)+(S) (D)
(S1)+(S2
) (D)
3
4
6-16
6-20
+
+P
+
+P
Category
Instruction Symbols
Symbol Processing Details
C
Execution
ondition
Number of Basic Steps
Subset
See for Description
1) 2) 3) 4) 5) 7) 8)6)
BIN
16-bit
addition
and
subtraction
operations
Example
+
D+
16-bit instruction 32-bit instruction
Example
+
+P
Instruction executed
w
hen ON
Instruction executed
only at the leading
edge of OFF to ON
Example
+
E+
Real number instructions
Example + $+
Character string instructions

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English