The \ Diagnosis System in the AC500

• Summary of Diagnosis Possibilities
  • Structure of the Diagnosis System
  • Diagnosis Directly at the PLC by means of “ERR” \ LED, Keypad and Display
  • Plain-Text Display of Error Messages in the \ Control Builder Status Line during Online Mode
  • Diagnosis Using the PLC Browser Commands of \ the Control Builder
  • Diagnosis with Help of the User Program
• Organization and Structure of Error Numbers
  • Error Classes
  • Error Identifiers
  • Error Tables
• Diagnosis Blocks for the AC500