D301087 0308 - BL20 CANopen 3-27
Status Indicators/ Diagnostic Messages Gateway
3
Status Indicators/ Diagnostic Messages Gateway
The gateway transmits the following diagnostics: the status of the
BL20 station, the communication via the internal module bus, the
communication to CANopen and the status of the gateway.
Diagnostic messages are displayed in two ways:
via individual LEDs
via the software of the respective host system (see Chapter 5,
Section “Diagnostics - Emergency Frames“, Page 5-1 ff.) or the
software-tool I/O-ASSISTANT
Diagnostic Messages via LEDs
Every BL20 gateway displays the following statuses via LEDs:
2 LEDs for module bus communication (module bus LEDs):
GW and IOs
2 LEDs for CANopen communication (fieldbus LEDs):
ERR and Bus
The LED diagnoses shown below apply to both gateway versions:
BL20-GW-CANOPEN
BL20-GWBR-CANOPEN
An additional diagnosis indication is shown for the BL20-GWBR-
CANOPEN.
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