phytron
17
MA 1235-A016 EN
3 Protective Measure Options
The control unit must be operated by the protective measure PELV acc. to VDE 0100.
Board and motor housing have to be grounded and/or connected to 0 V.
Various options are possible to achieve the protective measure PELV:
Fig. 7: PELV – Grounding: total
Fig. 8: PELV – Grounding: Power Stage and Motor.
The secondary winding of the transformer (SELV supply) must not be grounded
because the equipment is grounded.
Fig. 9: PELV – Grounding: 0 V and Motor
