Siemens SIMOCODE pro Operating Manual page 134

Parameters
4.3 Monitoring functions
Hysteresis
Here you can set the hysteresis for the ground-fault current:
Hysteresis
Response to sensor fault
Here you can set how SIMOCODE pro should respond to a sensor fault. Open circuit and
short-circuit to 3UL23 residual current transformer are recognized as sensor faults.
Response
Deactivated
signal
warn
tripping
134
0 to 15% of the level value in steps of 1%
Default setting: 5 %
Sensor fault
X (d)
X
X
X
Operating Manual, 04/2017, A5E40507630002A/RS-AA/001
SIMOCODE pro - Parameterize