Learn MITSUBISHI-GX-WORKS with Real Code Examples

GX Works supports ladder logic, structured text, and function block programming for Mitsubishi PLCs.

Includes tools for project organization, device configuration, and communication setup.

Provides simulation and debugging features to test PLC programs before deployment.

Supports multiple Mitsubishi PLC families including MELSEC FX, L, and Q series.

Facilitates efficient industrial automation system design and maintenance.

Ladder Logic, Structured Text, and Function Block programming

Built-in simulator for offline program testing

Online monitoring with variable tracking and forcing

Support for networked PLC communication (Ethernet, CC-Link, MELSECNET)

Project documentation and structured device lists

PLC - programmable device controlling machines or processes

Project - collection of program code, device settings, and configurations

Device - inputs, outputs, timers, counters, and memory registers

Ladder Logic - graphical programming language for PLCs

Structured Text - textual programming language for PLC logic

Project workspace with program files and configuration data

Separate sections for Ladder, Structured Text, and Function Blocks

Device list for inputs, outputs, timers, and internal registers

Network and module configuration for PLC hardware

Documentation folder for comments, diagrams, and manuals

Create a new PLC project and select target PLC model

Define devices, I/O modules, and network configuration

Write control logic using Ladder, ST, or Function Blocks

Simulate program to test logic and correct errors

Upload to PLC and monitor operation online

Beginner: small-scale ladder logic programs for basic I/O control

Intermediate: integrating multiple modules and structured devices

Advanced: complex logic using structured text and function blocks

Expert: multi-PLC systems with networking and data exchange

Educator: teaching industrial automation and PLC programming

GX Works vs GX Developer -> GX Works: modern IDE with simulation; GX Developer: legacy tool

GX Works vs TIA Portal -> GX Works: Mitsubishi-specific; TIA Portal: Siemens PLCs

GX Works vs Codesys -> GX Works: Mitsubishi hardware; Codesys: multi-vendor support

GX Works vs Rockwell Studio 5000 -> GX Works: Mitsubishi PLCs; Studio 5000: Allen-Bradley PLCs

GX Works vs PLC Ladder Simulator -> GX Works: professional IDE; Ladder Simulator: educational/training

GX Developer -> original PLC IDE by Mitsubishi

GX Works Ver.1 -> unified IDE with basic simulation

GX Works Ver.2 -> added structured text, improved interface

GX Works Ver.3 -> enhanced simulation, multi-PLC support

2025 -> current versions with latest PLC family support

PLC - Programmable Logic Controller

Ladder Logic - graphical programming for PLCs

Structured Text - textual programming language

Function Block - reusable logic module

Device List - all inputs, outputs, and memory registers