Settings - Siemens 7SC80 Manual

Functions
2.12 Monitoring Functions
[7sc80-ct-supervision-131106, 1, en_US]
Figure 2-75
The voltage transformer monitoring and current transformer monitoring functions can only be used if the
measuring voltages Van, Vbn, Vcn or Vab, Vbc, VGnd are present at the device and parameter 213 VT
Connect. 3ph is set accordingly. If you have selected the wiring Vab, Vbc was selected, the monitoring
functions described above cannot be used.
2.12.1.9

Settings

The table indicates region-specific presettings. Column C (configuration) indicates the corresponding secon-
dary nominal current of the current transformer.
Addr. Parameter
2201 INRUSH REST.
2202 2nd HARMONIC
2204 CROSS BLK TIMER
2205 I Max
2206 INRUSH DET. BY
5310 BLOCK PROT.
5501 46BC
5502 T 46BC
5503 Curr. Factor BC
5504 Volt. Factor BC
5505 CT Location
5506 VT Location
5510 60VTS
240
Current transformer monitoring
C Setting Options
OFF
ON
10 .. 50 %
0.00 .. 180.00 sec
1A 0.30 .. 25.00 A
5A 1.50 .. 125.00 A
Phase
Cross
Sum
NO
YES
OFF
ON
0.00 .. 100.00 sec
0.00 .. 1.00
0.00 .. 1.00
Direction 1
Direction 2
Direction 1
Direction 2
OFF
ON with NPS
Default Setting Comments
OFF Inrush Restraint
15 % 2nd. harmonic in % of
fundamental
0.00 sec Cross Block Time
7.50 A Maximum Current for
Inrush Restraint
37.50 A
Phase Inrush detected by
YES Block protection by 60VTS
OFF 46 Broken Conductor
2.00 sec 46BC Delay Time
0.10 Current Factor for Broken
Conductor
0.10 Voltage Factor for Broken
Conductor
Direction 1 Measurement location of
CT
Direction 1 Measurement location of
VT
OFF 60VTS Voltage Transformer
Supervision
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017