Beckhoff EL3182 Documentation page 82

Commissioning
Fig. 101: Illegally exceeding the E-Bus current
From TwinCAT 2.11 and above, a warning message "E-Bus Power of Terminal..." is output in the logger
window when such a configuration is activated:
Fig. 102: Warning message for exceeding E-Bus current
Caution! Malfunction possible!
The same ground potential must be used for the E-Bus supply of all EtherCAT terminals in a terminal block!
82
NOTE
Version: 1.2 EL3182