Festo CTEU-PB Electronics Description page 80

2. Commissioning
2.9.3 Switching on the power supply
2.9.4 Normal operating status
2-44
Note
Observe the general commissioning instructions in the
product documentation of your controller.
From the perspective of the bus node, any sequence can be
used to switch on the voltage supply within the fieldbus sys-
tem.
After the switch on procedure, the status LEDs indicate the
operating status and correct function of the bus node and the
fieldbus communication.
LED display Status
PS illuminates green when the voltage supply is
established.
X1/X2 illuminates green if the device has been con-
nected correctly and is in the RUN mode.
BF is not illuminated in the normal operating
status.
Tab. 2/11: Status LEDs after switch-on
Information about diagnostics using the Status LEDs can be
found in chap. 3.2.
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English