Connection of the protective earth

The stepper motors are marked on the housing with the symbol for protective earth.

Connection of the protective earth 1:

Establish an electrically conductive bond with a large area

Ensure that there is an electrically conductive bond with a large area between the stepper motor and the mounting plate in the control cabinet.

Ground connections dissipate HF interference and form a protective measure according to EN60204.

Connection of the protective earth 2:
►Place ring cable lug 1 on unpainted surface
►Place washer 2 and spring washer 3 on screw 4
►Turn screw 4 into the threaded hole provided to fasten the
ring cable lug 1
►Observe the tightening torque:

Screw

Tightening torque [Nm]

M4

3, strength class 8.8