Table of Contents
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2.1
Types of Instructions
The major types of safety CPU module instructions are sequence instructions, basic instructions,
application instructions, and QSCPU dedicated instructions as shown in Table 2.1
Types of Instructions
Contact instruction
Connection instructions
Sequence
Output instruction
instruction
Master control instruction
Termination instruction
Other instructions
Comparison operation
instruction
Arithmetic operation instruction
Basic
instructions
BCD
BIN conversion
instruction
Data transfer instruction
Application
Logical operation instructions
instructions
QSCPU
dedicated
QSCPU dedicated instruction
instruction
2-2
2.1 Types of Instructions
Table 2.1 Types of Instructions
Operation start, series connection, parallel connection
Ladder block connection, store/read operation results, creation of pulses from
operation results
Bit device output, output reversal
Master control
Program termination
Instructions such as no operation which do not fit in the above categories
Comparisons such as
,
,
Addition, subtraction, multiplication or division of BIN
Conversion from BCD to BIN and from BIN to BCD
Transmits designated data
Logical operations such as logical sum, logical product, etc.
Forced control stop
Meaning
Reference
Chapter
5
6
7
8
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