Ps-Led Status Display - Festo CTEU-PB Electronics Description

3. Diagnostics

3.2.2 PS-LED status display

PS (Power System) – power supply
LED Process
ON
OFF
LED illumin-
ated green
ON
OFF
LED flashing
green
ON
OFF
LED is off
1) Requirement: the connected device uses and monitors the load voltage
Tab. 3/2: Status displays of the device-specific "PS" LED
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English
Status
Normal operating status:
Operating and load voltage
present and in the permiss-
1)
ible range
Undervoltage in operating
or load voltage supply
Operating voltage is not
present or not in the per-
missible range.
Meaning/error elimination
–
•
Bus node reports undervoltage in
the operating voltage supply
•
Connected device reports under-
1)
voltage in the load voltage supply
at bus nodes
•
Check operating voltage supply (pin
1 and 3)
3-5