Line Voltage Compensation; Frequency Monitoring - Siemens SIPLUS HCS3200 Operating Instructions Manual

Functions

8.4 Line voltage compensation

8.4 Line voltage compensation
Line voltage compensation
Line voltage compensation makes it possible to achieve a balanced output on the power
outputs, even when the voltage deviates from normal values.
The compensation factor, or the setpoint, is calculated as follows:
The normal voltage value is permanently set as 400 V. The setpoint that can result from the
calculation lies between 0 % and 99 %.
The accuracy of the calculation is determined by the accuracy of the measured value
acquisition and the fine tuning of the control that results from the half-wave controller. This
can be up to 2 %.
8.5

Frequency monitoring

Frequency monitoring
The frequency of the applied line voltage is continuously monitored. If the frequency lies
between the permissible limits, it is evaluated as valid and reported to the user (see section
Diagnostics data). A distinction is made between the following frequencies in the message:
Frequency
50 Hz
60 Hz
Frequency fault
If the frequency lies outside the permissible range for several consecutive measurements
(e.g. due to disturbance over an extended period), a frequency fault will be reported to the
user (see section Diagnostics data). The heating is not switched off and the previous
frequency value measured is retained.
42
Valid range
47 Hz to 55 Hz
55 Hz to 63 Hz
Operating Instructions, 07/2014, A5E31278506C/002
SIPLUS HCS3200