Rev.
L0633
Apparatus
SACE PR010/K
Sh. No.
Mod.
Apparecchio
N° Pag.
ÿþþ
ABB SACE
Doc. No.
N° Doc
RH0043.002
Sh. No
N° Pag..
19
/
20
5.9.5. Electrical diagram legend
A11
= Communication unit PR212/D-L (or PR212/D-M) for connection with a remote supervision system.
A13
= Signalling unit PR010/K
K51
= Protection unit PR212/P, PR212/MP, PR112/P, PR112/PD, PR113/P e PR113/PD.
K51/1...8
= Internal relays of protection unit PR010/K
X3-X4
= Connectors for auxiliary circuits of protection unit PR212/P or PR212/MP
X
= Connector for auxiliary circuits for removable breaker.
XV
= Terminals for auxiliary circuits for fixed breaker.
6. Troubleshooting
The following table details a range of typical operational situations, useful in the understanding and resolution of
hypothetical faults and malfunctions.
NB:
•
Before consulting the following table, check the LEDs on the front panel of the PR010/K unit for several seconds.
(wait until the end of the start up phase if the unit has just been switched on).
•
FN indicates normal functioning.
