Siemens SENTRON VL Series System Manual page 32

3WL air circuit breakers
3.1 Introduction and overview
Data point groups
The table below provides an overview of the internal CubicleBUS nodes and their assigned
data point groups (combination of several data points). The table below shows which data
points from the data library are generated by which CubicleBUS module:
Table 3- 2 Assignment of data points to CubicleBUS modules
Data point group
Data points with the same source
Protection parameter set A
Protection parameter set B
(not for ETU45B)
Extended protection parameters
Parameters for threshold values
PROFIBUS communication parameters
Parameters for setting measured values
Data for device identification
Switch position information
Status information (switch on/off, spring
energy store, etc.)
Alarms
Tripping operations
Threshold value messages
Maintenance information
Temperature in circuit breaker
Temperature in the control cabinet
3-phase currents
Current in N-conductor, ground-fault
current; depending on equipment
3-phase voltages
Power P, Q, S, energy
Cos φ
Frequency, total harmonic distortion, form
factor, peak factor
Harmonic analysis
Waveform buffer
Logbook for events and tripping operations
System time
32
CubicleBUS nodes
ETU from BSS
ETU45B
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3WL/3VL circuit breakers with communication capability - PROFIBUS
COM15 Metering function
✓
✓
✓
✓
✓
✓
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System Manual, 03/2011, A5E01051353-02
PLUS
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✓
✓
✓
✓
✓
✓
✓
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