7SR10 Settings & Instruments Guide
© 2018 Siemens Protection Devices Limited Chapter 2 Page 10 of 18
Instrument
Description
Thermal Status
Phase A 0.0%
Phase B 0.0%
Phase C 0.0%
Displays the thermal capacity
THD METERS
→to view
This is the sub-group that includes all the meters that are associated with
THD TEST/RESET
►
allows access to this sub-group
THD METERS
Total Harmonic Dist.
Ia THD 0.0%
Ib THD 0.0%
Ic THD 0.0%
This displays the percentage of 2
nd
to 15
th
harmonics current present in
the fundamental frequency current.
FREQUENCY METERS
→to view
This is the sub-group that includes all the meters that are associated with
Frequency TEST/RESET
►
allows access to this sub-group.
Available on selected variants.
Frequency 0.000Hz
Last Trip 0.000Hz
Displays the frequency
AUTORECLOSE METERS
→to view
This is the sub-group that includes all the meters that are associated with
Autoreclose TEST/RESET
►
allows access to this sub-group. Only seen
on models that have the 79 option
Autoreclose Status
79 AR State
AR Close Shot 0
MAINTENANCE METERS
→to view
This is the sub-group that includes all the meters that are associated with
Maintenance TEST/RESET
►
allows access to this sub-group
CB Total Trips
Count 0
Target 100
Displays the number of CB trips experienced by the CB
CB Delta Trips
Count 0
Target 100
Displays the number of CB trips experienced by the CB
CB Count To AR Block
Count 0
Target 100
Displays the number of CB trips experienced by the CB. When the target
is reached the relay will only do 1 Delayed Trip to Lockout.
CB Freq Ops Count
Count 0
Target 10
Displays the number of CB trips experienced by the CB over the last
rolling 1 hr period. When the target is reached the relay will only do 1
Delayed Trip to Lockout.
CB Wear
Phase A 0.00MA^2s
Phase B 0.00MA^2s
Phase C 0.00MA^2s
Displays the current measure of circuit breaker wear.
CB Wear Remaining
Phase A 100%
Phase A 100%
Phase A 100%
Displays the current measure of circuit breaker wear remaining.
CB Trip Time
Time 0.0ms
Displays the circuit breaker trip time to open time. Measured from CB
auxiliary contacts.
GENERAL ALARM METERS
→to view
This is the sub-group that includes all the meters that are associated with
the Binary inputs TEST/RESET
►
allows access to this sub-group
General Alarms
ALARM 1 Cleared
Displays the state of General Alarm
General Alarms
ALARM 2 Cleared
Содержание 7SR10 Argus Series
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