SIRIUS 3RT2 contactors/contactor assemblies
2.7 Accessories
SIRIUS Innovations
220 System Manual, 01/2011, A8E56203870002-03
Function modules without communication connection
The function module is compatible with both sizes (S00 and S0) of the 3RA24 contactor
assembly for star-delta (wye-delta) start and can be plugged in on the front of the contactors
regardless of the connection system selected. It comprises the following components, which
can be ordered as a complete module kit (3RA2816-0EW20).
● 3RA2912-0 basic module for star-delta (wye-delta) with integrated control logic and time
setting
● Two coupling modules with integrated connecting cable 3RA2911-0
Function modules with communication connection
The SIRIUS modular system offers 3RA27 function modules for connection to the
automation level; they are fitted with terminals for connection to AS-Interface (3RA2711) or
IO-Link (3RA2712).
Note
If the contactor assembly for star-delta (wye-delta) start is built using communication-capable
3RA27 function modules, a 3RT2...-....-0CC0 contactor with communication connection must
be used (only the basic module's contactor has to be a communication-capable contactor).
Reference
More information ... Can be found in the chapter titled...
About function modules without communication
connection 3RA28
SIRIUS 3RA28 function modules for mounting on
3RT2 contactors, under Device versions
(Page 643)
More information ... Can be found in the manuals ...
About function modules with communication
connection 3RA27
"Function Modules for AS-Interface"
(http://support.automation.siemens.com/WW/
view/en/39318922) (3ZX1012-0RA27-0AC0)
"Function Modules for IO-Link"
(http://support.automation.siemens.com/WW/
view/en/39319600) (3ZX1012-0RA27-1AC1)
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