Siemens SINAMICS S120 - Leds on the CBE20 Communication Board

Diagnostics
7.4 LEDs on the CBE20 Communication Board
Cabinet Modules NEMA
336 Manual, 04/2014, A5E03586450A
7.4
LEDs on the CBE20 Communication Board
Table 7- 7 Meaning of the LEDs at ports 1 to 4 of the X1400 interface
LED
Color
Status
Description
Link port – Off The electronics power supply is missing or outside the permissible tolerance range
(link missing or defective).
Green Continu-
ous light
A different device is connected to port x and a physical connection exists.
Activity
port
– Off The electronics power supply is missing or outside the permissible tolerance range
(no activity).
Yellow
Flashing
Data is being received or sent at port x.
Table 7- 8 Meaning of the Sync and Fault LEDs on the CBE20
LED
Color
Status
Description
Fault – Off If the link port LED is green:
The CBE20 is operating normally, data is being exchanged with the configured IO
Controller.
Red Flashing
• The response monitoring interval has elapsed.
• 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
Continu-
ous light
CBE20 bus error
• No physical connection to a subnet/switch.
• Incorrect transmission rate
• Full duplex transmission is not activated.
Sync – Off If the link port LED is green:
The Control Unit task system is not synchronized with the IRT clock. An internal
substitute clock is generated.
Green Flashing The Control Unit task system has synchronized with the IRT clock and data is being
exchanged.
Continu-
ous light
The Task system and the MC-PLL have synchronized with the IRT clock.