Setting Notes - Siemens siprotec SJ62 User Manual

2.23.3.3 Setting Notes

Reading/Set-
ting/Resetting
Counters
Circuit-Breaker
Maintenance
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
The SIPROTEC 4 System Description describes how to read out the statistical
counters via the device front panel or DIGSI. Setting or resetting of these statistical
counters takes place under the menu item ANNUNCIATIONS —> STATISTIC by
overwriting the counter values displayed.
One of the options ΣI
x
-procedure, 2P-procedure, I
Disabled can be selected for CB maintenance at address 172.52 B.WEAR MONIT.
All relevant parameters for these functions are available in settings block P.System
Data 1 (see section 2.1.3).
The following setting values are important input values the subfunctions require in
order to operate correctly:
The CB Tripping Time is a characteristic value provided by the manufacturer. It covers
the entire tripping process from the trip command (applying auxiliary power to the trip
element of the circuit breaker) up to arc extinction in all poles. The time is set at
address 266 T 52 BREAKTIME.
The CB Operating Time T 52 OPENING is equally a characteristic value of the circuit
breaker. It covers the time span between the trip command (applying auxiliary power
to the trip element of the circuit breaker) and separation of CB contacts in all poles. It
is entered at address 267 T 52 OPENING.
2.23 Auxiliary Functions
2
t-procedure (only 7SJ64) or
328