3SK2122-2AA10 Siemens SIRIUS Safety Relay Basic Unit Original Brand New

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Overview

The 3SK2 basic units have a large number of inputs and outputs within a narrow width. In addition, demanding safety applications can be implemented simply with several independent safety functions. Flexible application options are enabled by powerful semiconductor outputs, as well as by expandability with additional 3SK output expansions and 3RM1 Failsafe motor starters using device connectors. Flexible time functions and diagnostics options are available.

The 3SK2 basic units can be easily integrated in control systems by means of optional communications modules for the purpose of diagnostics or access via software, for example. Furthermore, system states and fault diagnostics can be displayed easily and more rapidly on site using the diagnostics module for installation in the control cabinet front.

The 22.5-mm-wide version of the 3SK2 basic units has 10 x 1-channel (5 x 2-channel) inputs, while the 45-mm-wide 3SK2 version comes with 20 x 1-channel (10 x 2-channel) inputs.

Note:

For series applications, pre-programmed memory modules with customer-specific configurations can also be created. Please contact your responsible sales partner for this purpose.

We are offering new HMI faceplates with a uniform design for SIRIUS 3SK2. They provide a well-structured overview of all the disconnection and element diagnostics, see https://support.industry.siemens.com/cs/de/en/view/109818076.

SIRIUS Sim 3SK2

The SIRIUS 3SK2 simulation tool can be used to quickly and easily test functions and configurations in an office environment. These configurations can then be loaded directly into real devices. Time and costs for engineering are reduced.

SIRIUS Sim 3SK2 is available free of charge as a download, see https://support.industry.siemens.com/cs/ww/en/view/109763750.

Note:

For more information, see Parameterization, configuration and visualization → SIRIUS Sim

Starter kits

Starter kits are cost-effective complete packages for the simple creation of complex safety applications.

The 3SK2941-2AA11 basic starter kit includes:

• 3SK2112-2AA10 basic unit, 22.5 mm wide, with spring-loaded terminals (push-in)
• SIRIUS Safety ES (TIA Portal) Basic software for configuring, commissioning, operating and diagnosing available as a free download
• USB PC cable for easy transmission of the configuration to the device by means of USB

The 3SK2942-2AA11 PROFINET starter kit includes:

• 3SK2122-2AA10 basic unit, 45 mm wide, with spring-loaded terminals (push-in)
• PROFINET 3SK2511-2FA10 interface module, 22.5 mm wide, with spring-loaded terminals (push-in)
• SIRIUS Safety ES (TIA Portal) Professional
• Required cables

3SK2122-2AA10

Siemens SIRIUS safety relay basic unit 3SK2 series 20 F-DI, 4 F-DQ, 2 DQ, 24 V DC Can be parameterized via SIRIUS Safety ES 45 mm width spring-loaded terminal (push-in) up to SIL 3 (IEC 62061) up to performance level e (ISO 13849-1) output expansions 3SK1, coupling relay 3RQ1 and fail-safe motor starters 3RM1 via device connector connectable

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