SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
Manual, 02/2019, A5E03656507620A/RS-AD/005
3
Table of contents
1
Introduction ............................................................................................................................................. 5
1.1
Responsibility of the user for system configuration and functionality ....................................... 5
1.2
Purpose of the manual .............................................................................................................. 5
1.3
Required basic knowledge ........................................................................................................ 6
1.4
Scope of the manual ................................................................................................................. 6
1.5
Siemens Industry Online Support ............................................................................................. 7
1.6
Further documentation .............................................................................................................. 8
1.7
DataMatrix code ........................................................................................................................ 9
1.8
Siemens Industry Online Support app .................................................................................... 10
1.9
Recycling and disposal ........................................................................................................... 11
1.10
Support Request ..................................................................................................................... 11
2
Standards ............................................................................................................................................. 13
3
Product description ............................................................................................................................... 15
3.1
Device versions ....................................................................................................................... 17
3.2
Performance features ............................................................................................................. 19
3.3
Applications ............................................................................................................................. 20
3.3.1
Function modules for direct-on-line start ................................................................................ 20
3.3.2
Function modules for star-delta (wye-delta) start ................................................................... 21
3.4
3RA28 function modules ......................................................................................................... 24
4
Product combinations ............................................................................................................................ 25
5
Functions .............................................................................................................................................. 27
5.1
Overvoltage protection ............................................................................................................ 27
5.2
Time-delayed switching of contactors ..................................................................................... 27
5.2.1
Response delay ...................................................................................................................... 27
5.2.2
OFF-delay with control signal ................................................................................................. 29
5.2.3
OFF-delay without control signal ............................................................................................ 31
5.2.4
Star-delta (wye-delta) function ................................................................................................ 32
6
Configuration ........................................................................................................................................ 33
6.1
SIRIUS system configurator ................................................................................................... 33
6.2
Configuration ........................................................................................................................... 34
7
Mounting ............................................................................................................................................... 39
7.1
Mounting instructions .............................................................................................................. 39
7.2
Minimum clearances and mounting position .......................................................................... 39