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1 Introduction to Instructions for Safety Control Units and Interpreting Instruction Descriptions
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NX-series Safety Control Unit Instructions Reference Manual (Z931)
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Types of Instructions
The following three types of instructions can be used with the Safety Control Units.
Instruction specifications are provided starting from section 2.
Precautions for Correct Use
Some of the instructions have the same names as the instructions that are supported by the
NJ-series CPU Units. Operating specifications, however, are different.
Type
Description
Standard functions
These function instructions do not use safety data. They include program
execution control instructions, data type conversion instructions, Boolean
operation instructions, math instructions, comparison instructions, etc.
Safety standard function blocks
These function block instructions use safety data. They include counter
instructions, up/down trigger instructions, timer instructions, etc.
Safety function blocks
These function block instructions use safety data and are based on the safety
standards defined by PLCopen. They include an antivalent instruction, emer-
gency stop instruction, etc.
Summary of Contents for NX-SL series
Page 8: ...CONTENTS 6 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 28: ...Sections in this Manual 26 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 98: ...2 Standard Functions 2 64 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 104: ...2 Standard Functions 2 70 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 110: ...2 Standard Functions 2 76 NX series Safety Control Unit Instructions Reference Manual Z931 ...
Page 265: ...I 1 I NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
Page 268: ...I 4 NX series Safety Control Unit Instructions Reference Manual Z931 Index ...
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