Diagnostics
6.1.7 Diagnostic DIA POF-LEDs Transmission quality POF
LED
Good laser signal strength
lights up green
Maintenance required <2dB
lights up yellow
Maintenance demanded 0dB
lights up red
6.2 Diagnostic Messages to the Controller 6.2.1 Assignment between Diagnostics and Virtual Modules
1
Diagnostic Message
Virtual Module
External error
Inputs pin 4 / Inputs pin 2 or Inputs slot 0..3 / Inputs slots 4..7
2
Short-circuit at sensor
Inputs pin 4 / Inputs pin 2 or Inputs slot 0..3 / Inputs slot 4..7
3
Actuator disable
Outputs pin 4 / Outputs pin 2 or Outputs slot 0..3 / Outputs slot 4..7
4
Actuator warning
Outputs pin 4 / Outputs pin 2 or Outputs slot 0..3 / Outputs slot 4..7
5
Undervoltage sensor supply
Power supply module
6
Undervoltage actuator supply
Power supply module
7
No actuator power supply
Power supply module
84