Ground Fault Indicator; Fault Detector - Siemens SICAM A8000 Series Manual

2.9.6.2

Ground Fault Indicator

The current input I2/IN is connected with the LoPo sum current measuring sensor.
In this configuration, the module functions as non-directional ground fault indicator.
L1
L2
L3
N
2.9.6.3

Fault Detector

The current inputs I1, I2/IN, I3 are connected through the adaptor module CM-8820 with the
corresponding LoPo measuring sensors. Additionally, the voltage inputs U1, U2, U3 are
connected
•
through LoPo voltage transformers of 3.25 V/√3 with the medium-voltage network
In this configuration, fault information with directional indication is output. Thereby, also all the
measured and calculated measurands are provided.
SICAM A8000 Series, SICAM I/O Modules
DC8-012-2.06, Edition 09.2019
AI-8511
S1
P1
Unrestricted
Standard I/O Modules
S2
P2
71