TB20 Energy Meter

Das Funktions-Modul Energy Meter nimmt alle wesentlichen Messwerte aus AC 230 V-Netzen bez?glich der Strom- und Spannungsmessung auf. Die Eingangsspannungen (3 Phasen + N) k?nnen direkt an das Modul angeschlossen werden.
Neben allgemeinen Statusinformationen k?nnen bis zu 7 Messwerte im Eingangsabbild durch die Parametrierung eingeblendet werden.
Der steuerbare Stromz?hler wird bei Ausfall des Systems nichtfl?chtig gespeichert.

Parameters for the module

• Overvoltage / undervoltage threshold
• Overcurrent threshold
• Zero transition timeout
• Enable energy meter
• 50/60 Hz line frequency
• 3-wire or 4-wire voltage measurement
• Process image table input values

Parameters for phases A, B, and C

• Primary current
• Secondary current
• Phase angle error correction (for current transformer phase angle error)
• Zero crossing, overvoltage / undervoltage?, overcurrent diagnoses

Configurable process input image table

• 7 readings at the same time
• RMS voltage A,B,C
• RMS current A,B,C
• A, B, C, and total real power/energy
• A, B, C, and total apparent power/energy
• A, B, C, and total reactive power/energy
• Frequency
• A, B, C, and total power factor
• Phase angle between the voltages or between the currents

Diagnostic messages

• Phase shift
• Overvoltage / undervoltage
• Overcurrent
• No zero crossing (no phase)
• Configuration errors

Input currents are coupled through current transformers. The Energy Meter module is designed for a maximum secondary current of 1 A.
Other rated secondary currents, as well as the use of Rogowski coils, are available upon request.