3. Product Description
State
Device state
Description
Single flash
Station Name error Station Name
not set
Double flash
IP address
not set
Triple flash
Configuration
error
Expected identification differs from real
identification
Link/Activity PRN2 (yellow)
Table 22: LED Link/Activity PRN2 (yellow) at the PRN2 connector
State
Device state
Description
Off
-
No network traffic at PRN1 connector
Flashing
-
Network traffic at PRN1 connector
Network Status PRN2 (green)
Table 23: LED network Status PRN2 (green) at the PRN2 connector
State
Device state
Description
Off
Offline
■
No power supply
■
No connection to the IO controller
On
Online (RUN)
■
Connection to the IO controller
established
■
IO controller in operating state
RUN
Single flash
Online (STOP)
■
Connection to the IO controller
established
■
IO controller in operating state
STOP
or
■
Bad IO data
■
IRT-synchronization not finished
Flashing
-
Used by engineering tools to identify the
node in the network
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