Beckhoff EL6900 - Diagnostics; Diagnostic Leds

Operation
EL6900 53Version: 2.2.0
Fig.51: Attach TwinSAFE variable for outputs
4.5 Diagnostics
4.5.1 Diagnostic LEDs
The LEDs Diag 1 to Diag 4 display diagnostic information for the EL6900.
Fig.52: EL6900 diagnostic LEDs
4.5.1.1 Diag 1 LED (green)
The Diag 1 LED is currently always on when a project is loaded into the terminal.
Display Meaning
lit A project is stored in the terminal.
4.5.1.2 Diag 2 LED (red)
The Diag 2 LED indicates internal process variable errors (in preparation).
Display Meaning
- in preparation