Omron NX-SID Series User Manual

6
Programming
This section describes variables, instructions, and other elements that are used to cre-
ate safety programs. It also describes the programming operations that are used on
the Sysmac Studio.
6-1 POUs (Program Organization Units)
.......................................................... 6 - 3
6-1-1 POU .............................................................................................................. 6 - 3
6-1-2 Overview of the Three Types of POUs ......................................................... 6 - 3
6-1-3 Differences between Programs, Functions, and Function Blocks ................ 6 - 4
6-1-4 Details on Programs ..................................................................................... 6 - 5
6-1-5 Details on Function Blocks ........................................................................... 6 - 6
6-1-6 Details on Functions ................................................................................... 6 - 10
6-1-7 Instructions ..................................................................................................6 - 11
6-2 Variables ..................................................................................................... 6 - 12
6-2-1 Variables ..................................................................................................... 6 - 12
6-2-2 Types of Variables....................................................................................... 6 - 12
6-2-3 Type of User-defined Variable..................................................................... 6 - 12
6-2-4 Attributes of Variables................................................................................. 6 - 13
6-2-5 Data Type ................................................................................................... 6 - 14
6-2-6 Variable Attributes Other Than Data Type .................................................. 6 - 16
6-2-7 Function Block Instances............................................................................ 6 - 17
6-2-8 Restrictions on Variable Names and Other Safety Program-related
Names ......................................................................................................... 6 - 17
6-3 Constants (Literals) ................................................................................... 6 - 19
6-3-1 Constants.................................................................................................... 6 - 19
6-3-2 Types of Constants ..................................................................................... 6 - 19
6-4 Programming Languages.......................................................................... 6 - 21
6-4-1 Programming Languages ........................................................................... 6 - 21
6-4-2 FBD Language............................................................................................ 6 - 21
6-5 Programming Operations.......................................................................... 6 - 26
6-5-1 Programming Layer on the Sysmac Studio ................................................ 6 - 26
6-5-2 Registering POUs ....................................................................................... 6 - 27
6-5-3 Registering Variables.................................................................................. 6 - 36
6-5-4 FBD Programming ...................................................................................... 6 - 41
6-5-5 Function Block Conversion for Programs ................................................... 6 - 60
6-5-6 Building ...................................................................................................... 6 - 61
6-5-7 Searching and Replacing............................................................................ 6 - 63
6-5-8 Safety Task Settings ................................................................................... 6 - 66
6-6 Automatic Programming ........................................................................... 6 - 68
6-6-1 Generation Algorithms for Automatic Programming ................................... 6 - 68
6 - 1
NX-series Safety Control Unit User's Manual (Z930)
6

Omron NX-SID Series Specifications

General

Brand	Omron
Model	NX-SID Series
Category	Controller
Language	English