Siemens SENTRON 3WL10 Series Manual page 69

Metering functions of the ETUs of the 6-series
Measuring interval memory of the individual parameters for each interval with a time stamp
Current: smallest and largest
Phase-to-phase voltage: smallest
and largest
Active power: mean and largest
Reactive power: mean and largest
Apparent power: mean and largest
Data log - can be analyzed with the freely available powerlog software
Recording and storage of measured values with high-resolution sampling rate (buffer memory)
Currents
Voltages
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
Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01
Measured value
A I , I
min max
V U , U
min max
kW P , P
mean max
kvar Q , Q
mean max
kVA S , S
mean max
Measured values
A L1, L2, L3, N, I
g
V U12, U23, U31
Hz 1200-2400-4800-9600
s 16
s 0 to 10
No. 2 independent
Parameter
e.g. L, S, I, G, V
o
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
Clocking Monitoring period Metering module
Fixed or Duration:
synchronizable 5 to 120 min
via test device
Number of inter-
vals: 24
4)
, V
u
, V
o u
Description
2.4 Electronic trip unit ETU
MF required
—
●
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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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