L10, Without Field Power Unit; L11, 2Q Field Power Unit - Siemens SINAMICS DCM Betriebsanleitung

11.1.6

L10, without field power unit

Category
SINAMICS DCM DC Converter
Function
The SINAMICS DCM DC converter is supplied without field power unit. The entire field circuit
is also omitted. This option cannot be ordered for units with rated DC currents from 15 to
30 A.
Connection
The entire field circuit is omitted, and therefore also the output terminals for the motor field
connection at terminal strip -X3.
11.1.7

L11, 2Q field power unit

Category
SINAMICS DCM DC Converter
Function
For applications that demand high speed field current changes, by specifying option L11, the
SINAMICS DCM DC Converter can be equipped with a two-quadrant field with active current
reduction. Further, this field power unit has an integrated field overvoltage protection
function. This option cannot be ordered for units with rated DC currents from 15 A to 30 A.
Connection
The connection is made at the standard terminals for the field output, see the operating
instructions SINAMICS DCM Cabinet, Chapter Connecting the motor and power cables
(Page 81).
SINAMICS DCM Cabinet
Operating Instructions, 04/2015, A5E36161239/RS-AA/001
11.1 SINAMICS DCM DC Converter
Options
201