Siemens 7SA511 manual General, Monitoring Functions

7SA511 Line Protection RelayDisplaying System and Relay Information

LCD Text (2nd line)	Description	Possible Tag
>1pole Trip	External automatic reclose device is ready for single-pole trip	C
>1pole only	External automatic reclose device is ready for single-pole	C/G
	reclose only
>I>> block	High-set (I>>) element of emergency overcurrent protection is	C
	blocked
>DAR block.	Delayed automatic reclose (DAR, 2nd and further shots) is	C/G
	blocked
>Dist. RecFail	Carrier reception for pilot protection with distance protection is	C/G
	faulty
>Dist. Recept	Carrier signal for pilot protection with distance protection has	C
	been received
>E/F Rec. Fail	Carrier reception for directional comparison ground fault	C/G
	protection is faulty
>E/F Recept	Carrier signal for directional comparison ground fault	C
	protection has been received
General
Re-start	Microprocessor has been reset and restarted	C
SystemFlt	A system fault has been detected—see detailed information in	C
	the appropriate target log (address blocks 5200, 5300, and 5400)

E/F Detec

In ungrounded systems, a ground fault has been detected—see detailed information under address 5500, “ISOLATED EARTH FLT DATA”

C/G

LED reset	Stored LED indications have been reset	C
Flt. Rec. OFF	Waveform capture is turned off	C/G
Param.Running	Parameters are being set, i.e., the relay is in programming mode	C/G
Manual Close	Circuit breaker has been manually closed	C
CB in Test	Circuit breaker test is in progress	C/G
Param. Set A	Parameter set A is active	C/G
Param. Set B	Parameter set B is active	C/G
Param. Set C	Parameter set C is active	C/G
Param. Set D	Parameter set D is active	C/G

Monitoring Functions

Failure 24V	Failure in 24 volt internal power supply	C/G
Failure 15V	Failure in 15 volt internal power supply	C/G
Failure 5V	Failure in 5 volt internal power supply	C/G
Failure 0V	Failure in 0 volt internal offset for A/D converters	C/G
Failure GEA	Failure in basic input/output module GEA	C/G
Failure ZEA	Failure in additional input/output module ZEA	C/G
Annunc. Lost	A message table has overflowed	C
Flt.Buff.Over	Fault message table has overflowed	C
E/F Buff.Over	Fault message table for ground fault detection in ungrounded	C
	systems has overflowed
Flt.Flag Over	Fault flag buffer has overflowed	C
Oper.Ann.Inva	Operational messages are invalid	C/G
Flt.Ann.Inval	Fault messages are invalid	C/G
E/F Prot.Inva	Messages for ground fault detection in ungrounded systems are	C/G
	invalid
Stat.Buff.Inv	Circuit breaker operation statistics are invalid	C/G
LED Buff.Inva	Stored LED indications are invalid	C/G

6-6 July 27, 1995