Last Update February 2026

FactoryTalk Design Studio Online Help

Getting started
Introduction
Introduction
Basic concepts
Basic concepts
Quick start
Quick start
What's new?
What's new?
Manage user roles and access
Manage user roles and access
FactoryTalk Design Studio Copilot
FactoryTalk Design Studio Copilot
FactoryTalk Design Studio Live chat
FactoryTalk Design Studio Live chat
FactoryTalk Design Studio Provide feedback
FactoryTalk Design Studio Provide feedback
Using the software
Create a project
Create a project
Project version control
Project version control
FactoryTalk Smart Object
FactoryTalk Smart Object
Ladder Editor
Ladder Editor
Structured Text Editor
Structured Text Editor
Code Editor
Code Editor
Tasks
Tasks
Programs
Programs
Routines
Routines
Tag Editor
Tag Editor
Tags
Tags
Safety
Safety
Program parameters
Program parameters
User-defined data types
User-defined data types
Add-On Instructions
Add-On Instructions
Manage devices
Manage devices
IntelliCENTER
IntelliCENTER
Deploy and monitor
Deploy and monitor
Instructions
Toolbox
Toolbox
Array concepts
Array concepts
Precedence order for operators and functions
Precedence order for operators and functions
Bit Overlay
Bit Overlay
Backing tag usages that can cause unexpected operation
Backing tag usages that can cause unexpected operation
Specify bits within arrays
Specify bits within arrays
Memory allocation for arrays
Memory allocation for arrays
Data conversions
Data conversions
Math status flags
Math status flags
Immediate values
Immediate values
Index through arrays
Index through arrays
Common Attributes
Common Attributes
Bit Addressing
Bit Addressing
Data types
Data types
Structured Text syntax
Structured Text syntax
Elementary data types
Elementary data types
Define a new Add-On Instruction
Define a new Add-On Instruction
Floating Point Values
Floating Point Values
Updated instruction mnemonics
Updated instruction mnemonics
Duplicate destructive bit detection
Duplicate destructive bit detection
Instruction set
Instruction set
Code Editor Domain Specific Language Syntax
FactoryTalk Design Studio Project Source Code Syntax
FactoryTalk Design Studio Project Source Code Syntax
Syntax rules
Syntax rules
Keywords in syntax
Keywords in syntax
Controller applications
Controller applications
File name extensions
File name extensions
Add comments in Code Editor
Add comments in Code Editor
Smart Object syntax
Smart Object syntax
Device syntax
Device syntax
Device definition
Device definition
Topology in a project
Topology in a project
Data type syntax
Data type syntax
Task syntax
Task syntax
Program syntax
Program syntax
Ladder routine syntax
Ladder routine syntax
Add-On Instruction syntax
Add-On Instruction syntax
Controller-scoped tag syntax
Controller-scoped tag syntax
Program parameter connection syntax
Program parameter connection syntax
Element scopes and references
Element scopes and references
Neutral text for ladder instructions
Neutral text for ladder instructions