6.2.3 Diagnostics
6.2.3.1 Diagnostics with LED
Status display
The following information about the operating state is displayed on the 3UG4511 line
monitoring relay:
Operating status LED contact symbol (green) State of the output relay
12/ 11/ 14
22/ 21/ 24
Correct phase sequence On
Incorrect phase sequence O
You will nd more information about the switching behavior of the output relays in Chapter
"Function (Page 83)."
6.2.4 Circuit diagrams
Internal circuit diagrams 3UG4511
3UG4511‑.A.. line monitoring relays
3UG4511‑.B.. line monitoring relays
3UG4.1 line monitoring relay
6.2 3UG4511 line monitoring relay
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 85
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