Specifications

AS-Interface slaves
Contactors and Contactor Assemblies
SIRIUS 3RA27 function modules
for AS-Interface
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Siemens IK PI · 2012
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Overview
The function modules for mounting onto contactors enable the
assembly of starters and contactor assemblies for direct-on-line,
reversing and wye-delta starting without any additional, compli-
cated wiring of the individual components.
These include the fundamental control functions, such as time
and sealing functions, which are used for the respective
branches and can be connected to the controller via the bus
system.
Selection and ordering data
Applicable contactors or reversing contactor assemblies with
communication interface can be be found in chapter 7, "IO-Link".
Note:
When using the function modules, no other auxiliary switches are
allowed to be connected to the basic units.
1)
Pre-wired contactor assemblies for reversing start with communication
interface can be be found in chapter 7, "IO-Link". When these contactor
assemblies are used, the assembly kit for the wiring is already integrated.
2)
Version in size S0 with spring-type terminals:
Only the wiring modules for the main circuit are included.
No connectors are included for the auxiliary and control circuit.
Version Screw terminals Spring-type terminals
Order No. Order No.
Function modules for direct-on-line starting
3RA27 12-1AA00
3RA27 12-2AA00
AS-Interface connection
3RA27 12-1AA00 3RA27 12-2AA00
Function modules for reversing starting
1)
3RA27 12-1BA00
3RA27 12-2BA00
AS-Interface connection,
comprising one basic and one coupling module
3RA27 12-1BA00 3RA27 12-2BA00
3RA29 23-2AA1
3RA29 23-2AA2
Assembly kits for making 3-pole contactor
assemblies
The assembly kit contains:
mechanical interlock;
2 connecting clips for 2 contactors,
wiring modules on the top and bottom
• For size S00 3RA29 13-2AA1 3RA29 13-2AA2
• For size S0
- For main, auxiliary and control current 3RA29 23-2AA1 --
- Only for main current
2)
-- 3RA29 23-2AA2
Kap_06_en.book Seite 76 Freitag, 2. September 2011 1:42 13
© Siemens AG 2011