Learn URSCRIPT with Real Code Examples
Updated Nov 27, 2025
Architecture
Interpreted script executed by the UR robot controller
Robot motion handled via real-time kinematics engine
I/O and sensor data accessed through built-in functions
Script can call external programs via network sockets
Safety features (collision detection, speed limits) built-in
Rendering Model
URScript commands interpreted by UR controller
Motion executed via robot kinematics engine
I/O commands communicate with robot peripherals
External network commands received via TCP/IP
Safety constraints enforced by controller in real-time
Architectural Patterns
Top-level script with sequential commands
Functions for repetitive tasks
Loops and conditionals for decision-making
I/O abstraction for tools and sensors
Optional network interface for remote control
Real World Architectures
Collaborative robotic work cells
Pick-and-place automation lines
Laboratory robotic experiments
Small-scale manufacturing automation
Tool-based material handling systems
Design Principles
Simple, human-readable scripting
Direct robot control without external software dependency
Safety-oriented commands and limits
Flexible I/O and sensor integration
Modular scripts for reusability
Scalability Guide
Segment scripts into reusable functions
Use loops and conditionals for repeated sequences
Integrate URCaps for extended functionality
Combine with ROS for multi-robot coordination
Use networked scripts for remote control and monitoring
Migration Guide
Update legacy URScript syntax for new controller versions
Adjust I/O mapping for new robot models
Validate paths and speed/acceleration settings
Test all sensor and tool integrations
Run simulation in URSim before physical execution