Learn OMRON-CX-PROGRAMMER with Real Code Examples

CX-Programmer provides ladder logic, structured text, function block, and instruction list support.

Includes powerful online editing, simulation, and monitoring tools for Omron PLCs.

Integrates seamlessly within CX-One suite for HMI, motion, and network configurations.

Supports tag-based programming, special I/O modules, and advanced Omron instructions.

Used heavily in manufacturing automation, process control, and industrial robotics.

Device memory editor

Program comparison and version control tools

I/O table auto-configuration

PLC error log viewer

CX-One integration with HMI (CX-Designer), networks, and motion

Tasks - program sections executed by PLC scheduler

Ladder Diagrams - main method for PLC control

Symbols - tag-based variable management

I/O Tables - mapping PLC modules

Memory Areas - CIO, DM, HR, AR registers

Project workspace (CX-One)

Programs (Ladder, ST, FBD)

Global and local symbols

I/O tables and PLC settings

Function blocks and libraries

Define PLC hardware and I/O

Create Ladder/ST program sections

Assign addresses and symbols

Simulate or go online with PLC

Debug, download, and monitor runtime

Beginner: simple timers/counters

Intermediate: analog I/O and PID loops

Advanced: motion control and networking

Expert: multi-PLC coordination with FINS/EtherNet/IP

Architect: large-scale plant automation

CX-Programmer vs Sysmac Studio: Sysmac for newer NJ/NX with modern UI, CXP for CJ/CS/CP legacy systems

CX-Programmer vs Siemens TIA Portal: TIA more modern UX; CXP simpler for ladder-first workflows

CX-Programmer vs GX Works: Similar feature scope, Omron has stronger FINS networking

CX-Programmer vs RSLogix: RSLogix more user-friendly, CXP stronger for device memory access

CX-Programmer vs Codesys: Codesys is multi-brand; CXP is Omron-optimized

2000 - Early CX-Programmer release

2005 - Integration into CX-One suite

2010 - Added advanced FB libraries

2015 - Enhanced Ethernet/IP tools

2018 - Expanded simulation and trace tools

2022 - Updated compatibility for new PLC modules

2024 - Stability and UX improvements

CIO - Core I/O memory

FINS - Factory Interface Network Service

HR - Holding Relays

AR - Auxiliary Relays

FB - Function Block