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12-20-2002
Figure Sheet 1-851-A
Page 6
SBPC-21-PB Network Status
The SBPC-21-PB network status is determined by interpretation of the external LED status indicators
as described below.
Figure 1-4: SBPC-21-PB LED Indicators
Table 1-1
ONLINE
LED State
Meaning
Green
Indicates that the module is
ONLINE and data exchange is
possible.
Off
Module is not ONLINE
OFFLINE
LED State
Meaning
Red
Indicates that the module is
OFFLINE and no data exchange is
possible.
Off
Module is ONLINE.
FAULTS
LED State
Meaning
Off
No faults present.
Flashing Red (1 Hz)
Error in configuration: IN and/or
OUT length set during initialization
of the module is not equal to the
length set during configuration of the
network.
Flashing Red (2 Hz)
Error in user parameter data: The
length/contents of the user
parameter data set during
initialization of the module is not
equal to the length/contents set
during configuration of the network.
Flashing Red (4 Hz)
Error in initialization of the Profibus
communication ASIC.
