The \ Diagnosis System

• 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 via PLC Browser Commands
  • Diagnosis via User Program
• Organization and Structure of Error Numbers
  • Error Classes
  • Error Identifiers
  • Error Tables