Festo — EXCT — 2022-03a
Electrical installation
33
8.2
Earthing
Earthing points are marked on the product.
•
Connect earthing cable at the "side cover" earth connection to the connection side of the energy
chain:
–
Place serrated washer on the "side cover" earth connection.
–
Place the cable lug of the earthing cable between the serrated washer and the washer.
–
Tighten screw. Tightening torque 2.5 Nm
•
Connect earthing cable to the earth connection of the controller, e.g. in the control cabinet.
•
When using an electrical attachment component:
Connect the earthing cable for the attachment component to the "interface" earthing point.
1
2
3
4
5
Fig. 17: Earthing points, EXCT-15 as an example with the connection side of the energy chain of the
Y-axis on the right
1
"Interface" earthing position for electrical
attachment component
2
Screw
3
Washer
4
Serrated washer
5
"Side cover" earthing position, right or left
depending on the energy chain connection
side
