Example Of A Star / Delta Changeover - Siemens SINAMICS S120 Function Manual

4.9.4

Example of a star / delta changeover

Requirements:
S The drive has been commissioned for the first time.
S 2 motor data sets (MDS), p0130 = 2
S 2 drive data sets (DDS), p0180 = 2
S 2 digital outputs to control the auxiliary contactors
S 2 digital inputs to monitor the auxiliary contactors
S 1 free speed monitoring (p2155)
S 2 auxiliary contactors with auxiliary switches (1 NO contact)
S 2 motor contactors with positively-driven auxiliary switches (1 NC contact, 1NO
contact)
S 4 motors, 1 Control Unit, 1 infeed and 1 Motor Module
Fig. 4-8
© Siemens AG, 2005. All rights reserved
SINAMICS S120 Function Manual, 06/05 Edition
U1 M
V1
~
3
W1
Example of star / delta changeover
r0830
r0830.1
r0830.2
p0831[0]
p0831[1]
K1 K2
U2
V2
W2
Extended functions
Motor changeover
K1H K2H
K1
K2
K1 K2
K1H K2H
K2 K1
4-191