FANUC SYSTEM R-30 iA and R-30 iB Controller KAREL Reference Manual

About this manual

This manual provides a complete reference for the KAREL programming language that runs on FANUC SYSTEM R-30 iA and R-30 iB controllers. It covers language overview, syntax, data types, program control structures, built‑in routines, condition handlers, file I/O, and socket messaging.

The document also includes safety notices, FCC compliance information, and contact details for technical support, parts, and training. It is intended for users who have completed FANUC training and need to develop or maintain KAREL programs on these controllers.

What's inside

• KAREL Language Overview
• Language Elements
• Operators
• Data Types
• Program Control
• Routines
• Condition Handlers
• File Input/Output Operations
• Position Data
• Socket Messaging

Frequently asked questions

What controller version does this manual apply to?

It applies to Version 7.50 and higher.

How can I get technical support for the controller?

Contact the Customer Resource Center 24 hours a day at 1‑800‑47‑ROBOT (1‑800‑477‑6268).

What safety warning is given about radio frequency interference?

The equipment can radiate RF energy and may cause interference to radio communications; users must take corrective measures at their own expense.