User`s manual

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MELSEC-Q
6 INSTRUCTION LIST
6 INSTRUCTION LIST
6.1 How to Read the Instruction List Table
The process control instruction is largely divided into the I/O control instructions, control operation
instructions, compensation operation instructions, arithmetic operation instructions, comparison
operation instructions, and auto tuning instructions.
Table 6.1 How to read the instruction list
1)
2) 3)
4) 5) 6)
Explanation
1) Classifies the instructions by application.
2) Shows the instruction symbols used by the program.
3) Shows the symbol diagram used in the circuit.
S.OUT2
S1 D1 S2 D2
Shows the destination side.
Shows the source side.
Shows the instruction symbol.
Destination: Shows the destination of the data after operation.
Source: Stores the data before the operation.
Figure 6.1 Symbols in the circut
4) Shows the processing content of each instruction.
5) Shows the number of steps for each instruction. For information regarding the number of steps
refer to Item 2.2.7.
6) Shows the explanation page for each instruction.
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