turck BL20 - Page 70

BL20 - Gateway for CANopen
D301087 0308 - BL20 CANopen3-30
ERR Off No errors in communi-
cation between the
BL20-CANopen
gateway and other
CANopen nodes
–
Red Faulty or interrupted
communication
between BL20-
CANopen gateway and
other CANopen.
Possible causes:
– CAN-BusOff
– Heartbeat error
– Guarding error
– Transmit timeout
– Check that the fieldbus
ends with a termination
resistor, if the BL20-
CANopen gateway is
the last node in the bus
topology.
– Check the seating of
the CANopen bus
connector (or the joints
in the case of direct
wiring). All connections
must be correct and
properly seated.
– Check the CANopen
cable for possible
damage, and for
correct connections.
– Check that the correct
bit rate has been set.
– Check that the NMT-
master is still func-
tioning properly.
Table 11:
LED indicators
LED Status Meaning Remedy