Lenze 9400 Manual - Manual (Page 106)

Single-axis controllers
Wiring
Earthing of internal EMC filters
4

106 EDS94SPP101 EN 7.1
Device size 8S ... 10
How to separate the internal connection of filters to the protective earth:
1. Remove the upper housing cover.
2. The S300 switch can be found on the Interface card. The Interface card is located in
the top of the device.
– ON position: Standard operation at earthed-neutral systems (Lenze).
– OFF position: Operation at IT systems.
3. Push the S300 switch into the OFF position.
94ITSW8001
ON - Standard OFF - IT
IF-Card-SW IF-Card-SW