Graphics Programming 161 Creating Windows 162 Monitoring Events 165 Building a Menu Structure 167 Creating Buttons 170 Creating a Slide Bar 172 Graphics Programming Considerations 174 Communicating With the System Windows 176 Additional Graphics Instructions 178 Programming the Omron Adept T20 Pendant 179 Introduction 179 Writing to the Pendant Display 180 Detecting User Input 181 Programming Example:
Pendant Menu 183 Conveyor Tracking 187 Introduction to Conveyor Tracking 189 Installation 190 Calibration 191 Basic Programming Concepts 192 Conveyor-Tracking Programming 199 Sample Programs 201 Multiprocessor Systems 203 Example eV+ Programs 205 Introduction 207 Pick and Place 208 Menu Program 212 External Encoder Device 215 Introduction 217 Parameters 218 Device Setup 219 Reading Device Data 220 eV+Language User's Guide, v2.x, 18318-000 Rev A Page 7