Burkert Type 8645 - Manual (Page 82)

82 - 8645
ConfiGuraTion anD funCTion of The moDules
English
LED Status Displays
Abbreviation colour Relevance Explanation
RIO green RIO OK RIO communication active
red RIO FAULT RIO fault
flashes
green Addressing in-
correct Voltage reset of the bus module (main header) necessary so
that an automatic addressing of the intermediate modules takes
place.
flashes
red Diagnostics Indication that there is a diagnosis*. Detailed display of the dia-
gnosis on the bus header.
U
i
green U Logic OK Voltage for logic supply,
inputs and bus interface OK.
U
O
green U driver OK Power supply for the outputs OK.
U
S
green U Sensor OK Separate display of the voltage for the inputs.
* The following diagnoses are possible: no voltage (inputs or outputs), output short-circuit, non existent output driven.
Troubleshooting�
Bus fault
LED Status Description cause of fault
RIO ON (red) Response monitoring time on the in-
termediate module has expired.
The intermediate module was not
addressed by the bus module. Check the configuration and installati-
on of the modules.
U
i
ON
U
O
ON
U
S
ON