Siemens siprotec 7SA6 User Manual

Functions
6-286 7SA6 Manual
C53000-G1176-C156-2
6.21.1.6 Group Alarms
Certain messages of the monitoring functions are already combined to group alarms.
Table 6-14 shows an overview of these group alarms an their composition.
6.21.2 Applying the Function Parameter Settings
Thesensitivityofthemeasuredvaluemonitoringcanbechanged.Inthefactory,pre-
settings based on experience have already been applied, which should be sufficient
for most applications. If particularly high operational asymmetries of the currents and/
or voltages are expected, or if one or more monitoring functions pick up sporadically
during normal operation, the sensitivity setting(s) should be reduced.
In address
2901 MEASURE. SUPERV the measured value monitoring can be switched
ON or OFF.
Table 6-14 Group alarms
Group alarms Composed of
FNo Designation FNo Meaning
161 Fail I Superv. 162
163
Fail ΣI
Fail I balance
164 Fail U Superv. 165
167
168
Fail ΣUphe
Fail U balance
Fail U absent
160 Alarm Sum Event 162
163
165
167
168
169
170
361
171
177
193
3464
183
184
185
186
187
188
189
Fail ΣI
Fail I balance
Fail ΣUphe
Fail U balance
Fail U absent
VT Fuse fail > 10 s
VT FuseFail
>Fail:Feeder VT
Fail Ph.Seq.
Fail battery
Alarm NO calibr
Topol complete, negated
Error Board 1
Error Board 2
1
)
Error Board 3
1
)
Error Board 4
1
)
Error Board 5
1
)
Error Board 6
1
)
Error Board 7
1
)
140 Error Sum Alarm 144
168
192
194
181
Error 5V
Fail U absent
Error 1A/5A wrong
Error neutral
Error A/D-conv.
1
) depending on the version (number of printed circuit boards)

Siemens siprotec 7SA6 Specifications

General

Brand	Siemens
Model	siprotec 7SA6
Category	Relays
Language	English