Lenze 9400 Manual - Manual (Page 105)

Single-axis controllers
Wiring
Earthing of internal EMC filters
4

105 EDS94SPP101 EN 7.1
Device size 6 and 7
Proceed as follows to disconnect the internal connection between the filters and PE:
1. Find the screw over terminals X100 (+UG/-UG) in the position ”TT-TN” ( Fig. 4-20).
2. Unscrew the screw and screw it in again at position ”IT”.
– Tightening torque: 3.4 Nm (30 lb-in)
94GG67IT01
Fig. 4-20
3. Find the metal strap on the left of the device ( Fig. 4-21).
4. Unbolt the screws to remove the metal strap.
5. Unbolt the screw at position ”IT” and insert the metal strap.
6. Tighten all screws.
– Tightening torque: 3.4 Nm (30 lb-in)
Device size 6 Device size 7
94GG67IT62 94GG67IT72
Fig. 4-21
After this, the device is suitable for operation in IT systems.