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Diagnostics
1606218 02 08/2006 125
Field Bus Status Diagnostics LED
Description of
the Display
The CANopen DR 303-3 standard defines the functions of the RUN and ERR LEDs
(on the left: Plastic unit, on the right: Metal unit):
ERR LED
RUN LED
D0 DI
PWRRUN ERR
D0 DI
PWRRUN ERR
BUS status Description LED status
Auto-Baud Automatic search for transmission speed in
progress
Rapid flashing
No error Device is operating normally (OK) Off
Warning limit
reached
One of the internal error counters has
reached the limit threshold (Error frame)
1 flash
Error control
event
Guarding (slave or master) or Heartbeat
(user) error
2 flashes
Synchronization
error
SYNC signal not received in the SYNC period 3 flashes
Bus is de-
activated
Splitter status: Bus off Permanently switched
on
BUS status Description LED status
Auto-Baud Automatic recognition of transmission speed Rapid flashing
Stop Device status: Stopped 1 flash
Pre-operational Device status: Pre-Operational Slow flashing
Operational Device status: Operational Permanently switched
on