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Siemens SINAMICS G120 CU240E-2 - Page 198

Siemens SINAMICS G120 CU240E-2
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Functions
7.9 Technological functions
Inverter with CU240B-2 and CU240E-2 Control Units
198 Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Connect the motor holding brake to the terminals of the Brake Relay.
%UDNH5HOD\
3RZHU0RGXOH
&75/
0
a
3RZHUVXSSO\
PRWRUEUDNH
Figure 7-12 Connecting the motor holding brake
Further information can be found in the Hardware Installation Manual for your Power Module.
Principle of operation after OFF1 and OFF3 command
00
2SHUDWLRQ
U 
0RWRULVPDJQHWL]HG
U 
2SHQPRWRUKROGLQJEUDNH
U 
&ORVHPRWRUKROGLQJEUDNH
0RWRUKROGLQJEUDNHRSHQ
0RWRUKROGLQJEUDNHFORVHG
6SHHGVHWSRLQWIROORZLQJ+/*
U
6SHHGDFWXDOYDOXH
U
21
2))2))
3
3 3
3
3
3
3
W
W
W
W
W
W
W
Figure 7-13 Function diagram of the motor holding brake control after an OFF1 or OFF3 command

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