Festo CPX-M-FB21 Brève Description page 19

Bus status LEDs
UL Interbus diagnostics
(green)
RC Fieldbus connection
(green)
BA Remote bus active (green)
RD Remote bus switched off
(yellow)
FO1 Diagnostics, incoming fibre
optic cable length (yellow)
FO2 FB21 only:
Diagnostics, continuing
fibre optic cable length
(yellow)
In normal operating status all green LEDs light up; the yellow and red
LEDs do not light up.
Without a field bus connection the LEDs UL, RD, US1 and US2 light up.
Festo CPX-M-FB20/21-Z6 1202a English
CPX-specific LEDs
SF System fault (red)
US1 Diagnostics, logic voltage
supply (green)
US2 Diagnostics, load voltage
supply (green)
M Parametrisation modified
or Force active (yellow)
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