Parameters
4.3 Monitoring functions
SIMOCODE pro - Parameterize
140 Operating Manual, 04/2017, A5E40507630002A/RS-AA/001
Voltage monitoring
Description
SIMOCODE pro supports two-phase undervoltage monitoring of either a three-phase
network or a single-phase network for freely selectable limits. The response of
SIMOCODE pro on reaching a prewarning level or trip level can be freely parameterized and
delayed.
Voltage measurement is performed using current / voltage measuring modules. This is
based on the minimum voltage of all voltages U
min
.
Note
Please note that only phase voltages are available with SIMOCODE
pro V
version *E06*. If required, the line-to-
line voltage can be calculated from the phase voltage
using the logic module "Calculator 1/2" as follows: Line
-to-line voltage = phase
* 1.73.
*E07* onward, either phase voltage or line-to-line voltage can be used as the
Figure 4-34 "Voltage Monitoring" function block
Furthermore, even when the motor is switched off, SIMOCODE pro can determine and
signal the further availability of the feeder by measuring the voltage directly at the circuit
breaker or at the fuses in the main circuit.
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