-34-
No.EX##-OMU0020-A
6.4. LED indicators
The LED indicators are arranged on the SI Unit as shown in the illustration below.
Designation
Description
Colour
LINK (XF1)
Connection via PROFINET on Port1 (XF1)
Green
ACT (XF1)
Data exchange on Port1 (XF1)
Yellow
LINK (XF2)
Connection via PROFINET on Port2 (XF2)
Green
ACT (XF2)
Data exchange on Port2 (XF2)
Yellow
FO1 (XF1)
Fiber-Optic communication diagnostics for Port 1 (XF1)
Orange
FO2 (XF2)
Fiber-Optic communication diagnostics for Port 2 (XF2)
Orange
SF
System fault
Red
BF
Bus fault
Red
US1
Supply for the logic/sensors
Green
US2
Supply for the valves/loads
Green
US3
Option
-
US4
Option
-
Fig. 6-3 LED indicators of the SI unit
NOTE
・
FO1, FO2 LED is for EX245-SPN1. EX245-SPN2 is not used.
6.4.1. LINK indicator
Table. 6-1 LINK indicator
LINK
Meaning
ON
Connection via Ethernet to the SI Unit via Port 1/2 (XF1/2)
OFF
No connection established via Port 1/2 (XF1/2)
6.4.2. ACT indicator
Table. 6-2 ACT indicator
ACT
Meaning
ON
Transmission or reception of Ethernet telegrams on Port 1/2 (XF1/2)
OFF
No transmission or reception of Ethernet telegrams on Port 1/2 (XF1/2)