LOGO! 230 ....
Current safety regulations (VDE 0110, ... and IEC 61131-2, ... as well as cULus) do not
permit the connection of different phases to an AC input group (I1 to I4 or I5 to I8) or to the
inputs of a digital module.
The illustration above shows an example of four-wire current measurement and two-wire
Manual, 10/2017, A5E01248535-AA
LOGO! installation and wiring
2.3 Wiring LOGO!