Function Diagrams - Siemens SINAMICS S150 NEMA Operating Instructions Manual

Converter cabinet units

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Table of Contents

Functions, monitoring and protective functions

9.3 Drive functions

3. Open motor contactor:

Motor contactor 1 is opened (r0830 = 0) and the status bit "Motor changeover active"

(r0835.0) is set.

4. Change over drive data set:

The requested data set is activated (r0051 = data set currently effective, r0837 =

requested data set).

5. Energize motor contactor:

After the feedback signal (motor contactor opened) from motor contactor 1, the

appropriate bit of r0830 is set and motor contactor 2 is energized.

6. Enable pulses:

After the feedback signal (motor contactor closed) from motor contactor 2, the bit "motor

data set changeover active" (r0835.0) is reset and the pulses are enabled. The motor has

now been changed over.

Function diagrams

• p0819[0...2]

Drive Data Set (DDS)

Motor Data Sets (MDS)

Drive data set DDS effective

Motor data sets (MDS) number

Drive data set (DDS) number

Motor data sets (MDS) number

Copy drive data set DDS

BI: Drive data set selection DDS, bit 0

BI: Drive data set selection DDS, bit 1

BI: Drive data set selection DDS, bit 2

BI: Drive data set selection DDS, bit 3

BI: Drive data set selection DDS, bit 4

Motor changeover, motor number

Motor changeover status word bit number

Motor changeover, feedback signal

Motor changeover, status

Motor changeover, contactor feedback signal

Data set changeover configuration

Operating Instructions, 12/2018, A5E36652151A

Enclosed Drives