Information
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Siemens IC 10 · 2018
SIRIUS ACT Pushbuttons and Indicator Lights
General data
13
SIRIUS ACT with PROFINET
SIRIUS ACT with PROFINET connects pushbuttons and 
indicator lights directly via PROFINET to the controller and
HMI devices – including with safety functions. 
With this solution designed for the control panel, up to 
21 SIRIUS ACT devices can be connected to the controller via 
PROFINET. Integration of the EMERGENCY STOP mushroom 
pushbutton (SIL 3, PLe) is possible via PROFIsafe. 
Non SIRIUS ACT devices, e.g. position switches, can 
additionally be connected via the open, digital/analog interfaces 
(DI, DQ, AI).
The system is entirely integrated into TIA Portal and does not 
require any further addressing apart from the IP address for 
PROFINET.
Quick and easy installation with flat cables without special tools 
saves significantly on wiring outlay. 
Interface modules/fail-safe interface modules
Interface module for PROFINET, 24 V DC
1 ... 20 terminal modules can be connected
3SU1400-1L@10-@AA1 See page 13/96
Terminal modules
Terminal modules with 2 contacts
Terminal modules with 2 contacts and integrated LED
Terminal modules with integrated LED
3SU1401-1MA@0-1@A1
3SU1401-1MC@0-1@A1
3SU1401-1ME@0-1@A1
See page 13/96
Accessories
Memory module 
For backing up the complete parameterization of the 3SK2 
safety system without a PC/PG through the system 
interface
3RK3931-0AA00 See page 13/96
LED modules for mounting on printed-circuit boards 3SU1401-3BA@0-5AA0 See page 13/92
Flat ribbon cable
7 cores, length 10 m
7 cores, length 5 m
3SU1900-0KQ80-0AA0
3SU1900-0KP80-0AA0
See page 13/138
© Siemens AG 2017










