turck BL20-GW-CANOPEN, User Manual, Page: 51 / 95

D301087 1211 - BL20 CANopen
4-21
Status Indicators/ Diagnostic Messages Gateway
IOs - CPU not supplied. Check the voltage supply.
Green Module bus is running,
the configured module bus station
corresponds to the physically
connected station, communication
is active. -
Green,
flashing,
1 Hz Station is in the
I/O-ASSISTANT Force Mode. Deactivate the
I/O-ASSISTANT Force Mode.
Red and
LED "
GW "
off
Controller is not ready, V
CC
level is
not within the required range
→
possible reasons:
– too many modules connected to
the gateway
– short circuit in connected module
– hardware error in
– gateway
– Check wiring at the gateway and
the voltage supply.
– Dismount modules
– Replace the gateway.
Red
flashing,
1 Hz Non-adaptable modification of the
physically connected station. – Compare the planned BL20 station
with the physical station.
– Check the physical station for
defective or incorrectly fitted
electronics modules.
Red
flashing,
4 Hz no module bus communication At least one module has to be
plugged and has to be able to
communicate with the gateway.
Red/green
flashing,
1 Hz Adaptable modification of the
physically connected station;
data transfer possible Check the physical station for
pulled or new but not planned
modules.
Red Short circuit or overload at sensor
supply
→
sensor supply is switched
off
Automatic restart when
debugging.
Off No voltage supply. Check the wiring of the voltage
supply.
Table 4-11:
LED indicators LED Status Meaning Remedy