Wiring
3.2 Connection examples
Analog input module AI Energy Meter 480VAC/CT HF (6ES7134-6PA00-0CU0)
Manual, 07/2018, A5E42674880-AA
23
The following figures show the connection of the AI Energy Meter HF for three-phase, two-
phase and single-phase measurements. Note that the AI Energy Meter HF must always be
connected via a current transformer. The use of voltage transformers is optional.
Three-phase measurement,
4 wires
Any load
Connection with three current transformers
Three-phase measurement,
4 wires
Any load
Connection with three current transformers
and three voltage transformers.
Three-phase measurement,
4 wires
Balanced load
Connection with one current transformer