Siemens SINAMICS S120 Commissioning Manual page 78

Commissioning
3.3 Hardware settings on CBC10 (not for SINAMICS S110)
Table 3- 3 2-pin SMD DIL switch
ID on the component
Note
In a line-up comprising more than one drive unit (bus nodes), switch 2 must be set to ON for
the last bus node and OFF for the preceding bus node.
78
Switch Function
2 Bus terminating
resistor
120 Ohm
1 Operation
with/without
ground
Switch position
OFF
ON
OFF
ON
Commissioning Manual, (IH2), V2.6, 10/2008 Edition, 6SL3097-2AA00-0BP3
Default
Inactive OFF
Active
Ground-free OFF
operation
Operation with
ground
CANopen interface