Beckhoff EL34 Series Documentation page 268

Application examples
Fig. 169: Conventional converter arrangement for the EL3453 power measurement terminal including neutral
conductor measurement
Diagram of a different transducer arrangement for direct measurement of the differential current:
Fig. 170: Transformer configuration of the EL3453 for differential current measurement
The secondary current path of the differential current transformer must be connected to the terminal contacts
I (and I ).
N N'
For correct calculation of the differential current value, the corresponding transformer ratio must be entered
in CoE object 0xF804:12.
Example: Transformer ratio 1A:50A corresponds to value to be entered 0.02
268 Version: 1.5 EL34xx