Siemens SENTRON 3WL10 Manual page 86

Description
2.8 Electronic trip unit ETU
Metering functions of the ETUs of the 6-series
Sampling rate
Max. recording duration
Recording stop delay
Number of registers
Information on tripping and switch-off data
Type of protection function tripped
Fault values per phase
Time stamp
Maintenance displays
Information on the last 30 trips
Information on the last 200 events
Number of mechanical switching
operations
1)
Total number of trips
Operating hours counter
Contact wear
Date of maintenance performed
Direction to perform necessary
maintenance
Key data
Self-diagnostics
Watchdog: constant CT monitoring,
monitoring of the electronics and
tripping coil
Temperature (T)
After a fault with or without auxiliary power supply
1)
After a fault without auxiliary power supply
2)
If auxiliary power supply is connected
3)
Available in the SIOS Portal, see below
4)
84
Hz 1200-2400-4800-9600
s 16
s 0 to 10
No. 2 independent
Parameter
e.g. L, S, I, G, V
o
when ETU is unpowered)
A / V / e.g.
Hz w / L1, L2, L3, N
VAR U12, U23, U31 for V
Date, time, and consecutive number
Parameter
Type of protection function, fault values, and time stamp
Type of event, time stamp
No. Can be assigned to alarm
No. —
h —
% Pre-alarm > 80%
Alarm = 100%
Last
—
Type of circuit breaker, assigned name, serial number
Parameter
Alarm due to
disconnection
Current sensor,
sensors, tripping
coil
Pre-alarm and
alarm due to
overheating
, V (can also be queried via info button
u
, V
o u
Note:
Tripping of the circuit breaker can be
set in the case of an alarm
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
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Metering module
MF required
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Metering module
MF required
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Metering module
MF required
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