1. Installation
1-21
Festo P.BE-CTEU-PB-OP+MAINT-EN en 1208NH English
1.5.7 Functional test
Check the operating status of the bus node using the status
LEDs:
–TheLEDPS is illuminated green when the power supply is
present at both circuits.
–TheLEDsX1 and/or X2 illuminate green when a device is
con n e cte d.
Check for error-free communication between bus node and
master using the status LEDs:
–TheLEDBF is not illuminated in the normal operating
status.
See also chap. 2.9.4, Normal operating status.