X20 system modules • X20 interface module communication • X20IF10E1-1
X20 system User's Manual 3.10
1847
4.23.21.4 LED status indicators
Figure
LED
Color
Status
Description
Green/red
Off
No power to module
Blinking
Boot error
Red
On
Communication on the PCI bus has not yet been started
READY/RUN
Green
On
PCI bus communication in progress
Off
No error
Blinking
Invalid configuration
SF
Red
On
System errors
Off
No error
Blinking
Configuration error: Not all configured I/O modules are connected
BF
Red
On
No link to remote station
Off
No link to remote station
Flickering
A link to the remote station has been established. The LED blinks when Ethernet
activity is taking place on the bus.
L/A IF1/IF2
Green
On
A link to the remote station has been established.
4.23.21.5 Operating and connection elements
LED status indicators
Profinet RT connection with
2x RJ45 ports for easy wiring
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