6
CP1484, CP1485, CP1486, CP3484, CP3485, CP3486
Data sheet V 1.00
1.1.4 X20 CPUs - status LEDs
S/E LED
The Status/Error LED is a green/red dual LED. The status LEDs can have different meanings
depending on operating mode.
Ethernet TCP/IP mode
With Automation Studio™ Version V 2.5.3 and later, the interface can be operated as a purely
Ethernet TCP/IP interface.
LED Color Status Description
R/E Green On Application running
Red On SERVICE mode
RDY/F Yellow On CPU is active
Red On Overtemperature
S/E Green/red Status/Error LED. The status of the LED is described in section "S/E LED".
EPL Green On A link to the ETHERNET Powerlink remote station has been established.
Blinking A link to the ETHERNET Powerlink remote station has been established. The LED
blinks when Ethernet activity is present on the bus.
ETH Green On A link to the Ethernet remote station has been established.
Blinking A link to the Ethernet remote station has been established. The LED blinks when
Ethernet activity is present on the bus.
CF Yellow On CompactFlash OK
Green On CompactFlash active
DC OK Green On CPU power supply OK
Red On Backup battery is empty
Table 3: X20 CPUs - CPU status indicator
Green - status Description
On The ETHERNET Powerlink interface is operated as a pure TCP/IP interface.
Table 4: X20 CPUs status/error LED - Ethernet TCP/IP operating mode
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