Ps-Led Status Display - Festo CTEU-DN Description, Functions And Maintenance

5. Diagnostics

5.2.2 PS-LED status display

PS status - Operating and load voltage supply
(Power System, Power Load)
LED display Status/significance
– Normal operating status
– Operating voltage applied
(in the approved range)
LED illuminated
– Load voltage present (in the ap-
green
proved range)
– Operating voltage is below
the required voltage
– Load voltage is below
LED flashes
the required voltage
green (1 Hz)
– Short circuit at the I-port
– Operating voltage not applied
LED is off
1)
Display depends on whether the connected device monitors the load voltage and reports to the
bus node
Tab. 5/2: Status displays of the device-specific "PS" LED
Festo P.BE-CTEU-DN-OP+MAINT-EN en 1206NH
1)
1)
1)
Error handling
–
•
Eliminate short circuit on the bus
node
•
Eliminate undervoltage on the con-
nected I-port device
•
Check the power supply
5-5