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NX-series Safety Control Unit Instructions Reference Manual (Z931)
This section provides an introduction to the instructions for Safety Control Units and
tells how to interpret the instruction descriptions.
1-1 Types of Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2 Interpreting Instruction Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-2-1 Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
1-2-2 Safety Data Types and Standard Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1-2-3 Valid Ranges and Default Values of Variables . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
1-2-4 Timer Set Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Introduction to Instructions for Safety
Control Units and Interpreting Instruction