Beckhoff SCT6 Series Manual page 49

Negative power values
If negative power values are measured on a circuit, please check whether the associated current
transformer circuit is connected correctly.
EL3453
• The voltage is measured via connections L1, L2, L3 and N.
• The current is measured via 4 current transformers (e.g. from the Beckhoff SCT series) and the
connections I , I , I
L1 L2
Fig. 31: EL3453, power measurement at a machine
Negative power values
If negative power values are measured on a circuit, please check whether the associated current
transformer circuit is connected correctly.
SCT6xxx
and I (star point of the current transformers).
L3 N
Version: 1.3
Application example
49