Fronius DeviceNet Instructions De Service page 54

Field bus status The field bus status LEDs indicate the operating status of the field bus.
LEDs
Module
LED „MS RUN", green LED
- flashes
- is steady
LED „MS OVERFL", red LED
- flashes
- is steady
Network
LED „NS CONNECT", green LED
- flashes
LED „NS BUS OFF", green LED
- is steady
LED „NS BUS OFF", red LED
- flashes
- is steady
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Status
Configuration incorrect
Status OK
Receive queue overflow
Status OK
Status
Bus coupler ready to communicate, but
not yet assigned to the master
Bus coupler is assigned to the master,
data exchange taking place
I/O connection timeout
BUS OFF: CAN error, node with identi-
cal node address