Instruction List; How To Read Instruction Table - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (1/2)
6 Explanation of Instructions and Functions

6.1 Instruction List

6.1 Instruction List

6.1.1 How to Read Instruction Table

The instruction tables have been made according to the following format.
Process Instruction
Class
unit sign
+
+P
+
16-bit
(BIN)
+
+P
(1) (2) (3)
(1) Classifies instructions according to their application
(2) Indicates the processing unit of instructions.
(3) Indicates the instruction symbol used to enter the instruction in a program
Instruction code is built around the 16-bit instruction, with the following notations used to mark 32-bit instructions, instruc-
tions executed only at the rising 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)
+
16-bit instruction 32-bit instruction
 Instructions executed only at the rising edge of OFF to ON: The letter "P" is appended to the end of the instruction
(Example)
+
Instructions
executed when ON
(4) Shows symbol drawing on the ladder when using Ladder Diagram language.
+ S D
Indicates destination
Indicates source
Indicates instruction symbol
Destination: Indicates where data will be sent following operation
Source: Stores data prior to operation
Symbol
(D)+(S)
S D
+
(BIN)
+P S D
(S1)+(S2)
+ S1 S2 D
(BIN)
+P S1 S2 D
(4)
D+
+P
Instructions executed only at the
rising edge of OFF to ON
Execution
Process details
condition
(D)
→
(D)
→
(5) (6)
+ S1 S2 D
Indicates destination
Indicates source
Indicates instruction symbol
63
Refer-
No. of steps
ST
ence
Storage Execution page
-
3 3
3 7 -
147
149
3/4(*1) 4 -
-
3/4(*1) 8
(7) (8) (9) (10)
IB-1501667-B