Leds On The Cbe20 Communication Board - Siemens SINAMICS S120 Equipment Manual

7.3

LEDs on the CBE20 Communication Board

Table 7- 2 Meanings of the LEDs on the CBE20 Communication Board
LED Color
Link port -
Green
Activity port -
Yellow
Fault –
Red
Sync –
Green
S120 Cabinet Modules Equipment Manual
Manual, (GH5), 10/2008, A5E00427098A
Status
Off The electronics power supply is missing or outside the permissible
tolerance range.
Steady light A different device is connected to port x and a physical connection exists.
Off The electronics power supply is missing or outside the permissible
tolerance range.
Steady light Data is being received or sent at port x.
Off If the link port LED is green:
The CBE20 is operating normally, data is being exchanged with the
configured IO controller.
The response monitoring interval has elapsed.
Flashing •
Communication is interrupted.
•
The IP address is incorrect.
•
Incorrect or no configuration
•
Incorrect parameter settings
•
Incorrect or missing device name
•
IO Controller not connected/switched off, although an Ethernet
•
connection has been established.
Other CBE20 errors
•
Steady light CBE20 bus error
No physical connection to a subnet/switch.
•
Incorrect transmission rate
•
Full duplex transmission is not activated.
•
Off If the link port LED is green:
Control Unit task system is not synchronized with the IRT clock. An
internal substitute clock is generated.
Flashing light The Control Unit task system has synchronized with the IRT clock cycle
and data is being exchanged.
Steady light Task system and MC-PLL synchronized with the IRT clock.
7.3 LEDs on the CBE20 Communication Board
Description
Diagnostics
313