Interrupts/diagnostic alarms
14.4 Diagnostics response
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
Manual, 07/2018, A5E42674880-AA
119
Calculation of voltage dip limit
The voltage dip limit is the value from which level of voltage the AI Energy Meter HF detects
a voltage dip.
The voltage dip limit is calculated by the following formula:
Voltage dip limit = "Nominal value voltage" - ("Voltage dip limit [%]" × "Nominal value
voltage")
The "Nominal value voltage" is the primary voltage at the operating point.
The following table shows the necessary parameters:
Table 14- 10 Parameter assignment
Power quality analysis functions
Number of cycles for analysis 4 ... 32767
Diagnostics power quality
Determination of voltage swell and dip Enable
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