Omron CX-PROGRAMMER 5.0-FUNCTION BLOCK OPERATION User Manual

OPERATION MANUAL
Function Blocks
CX-Programmer Ver.5.0
SYSMAC
WS02-CXPC1-E-V50
CS1-H, CJ1-H, CJ1M CPU Units
Cat.No. W438-E1-01

Omron CX-PROGRAMMER 5.0-FUNCTION BLOCK OPERATION Specifications

General

Category	Software
Version	5.0
Function Block Operation	Yes
Manufacturer	Omron
Function	PLC Programming
Name	CX-PROGRAMMER

Summary

SECTION 1 Introduction

1-1 Introducing the Function Blocks

Explains the purpose, features, and benefits of using function blocks in CX-Programmer.

1-1-1 Overview and Features

1-1-2 Function Block Specifications

1-2 Function Blocks

1-2-3 Function Block Structure

1-3 Variables

1-5 Usage Procedures

Outlines the step-by-step process for creating, using, and managing function blocks.

1-5-1 Creating Function Blocks and Executing Instances

Details the procedure for creating function blocks and executing their instances.

SECTION 2 Specifications

2-1 Function Block Specifications

2-2 Instance Specifications

2-2-2 Parameter Specifications

Details how to set input and output parameters for function block instances.

2-3 Restrictions on Function Blocks

Lists critical restrictions on using instructions and programming structures within function blocks.

Ladder Programming Restrictions

2-4 Function Block Applications Guidelines

2-4-3 AT Settings for Internal Variables

2-4-4 Array Settings for Internal Variables

2-6 Instruction Support and Operand Restrictions

Lists supported instructions and operand restrictions for use in function blocks.

2-7 CPU Unit Function Block Specifications

SECTION 3 Creating Function Blocks

3-1 Procedural Flow

Outlines the overall procedural steps for creating, managing, and debugging function blocks.

3-2 Procedures

Provides detailed step-by-step procedures for various tasks related to creating function blocks.

3-2-2 Creating a New Function Block Definition

Explains how to create a new function block definition using ladder or structured text.

3-2-3 Defining Function Blocks Created by User

Details the process of defining function blocks by registering variables and creating algorithms.

3-2-4 Creating Instances from Function Block Definitions

Explains how to create instances from defined function blocks using different methods.

3-2-5 Setting Function Block Parameters Using the P Key

Guides on setting input and output parameters for function block instances using the P key.

3-2-6 Setting the FB Instance Areas

3-2-11 Compiling Function Block Definitions (Checking Program)

3-2-14 Downloading/Uploading Programs to the Actual CPU Unit

3-2-15 Monitoring and Debugging Function Blocks

Details procedures for monitoring and debugging function blocks during operation.

Appendix B Structured Text (ST Language) Specifications

Structured Text

Introduces ST language, its structure, and its use in programming automation systems.

Restrictions

Statement Details

Structured Text Errors