What is 3SK2122-1AA10?

It is a software-configurable safety controller from the Siemens SIRIUS series, used to manage complex safety functions.

How many I/O points does 3SK2122-1AA10 have?

It has 20 fail-safe digital inputs (F-DI) and 4 fail-safe digital outputs (F-DQ).

What is the operating voltage of 3SK2122-1AA10?

Its rated control supply voltage is 24 V DC.

What safety level does 3SK2122-1AA10 reach?

It complies with the highest safety levels, SIL 3 (IEC 61508) and PL e (ISO 13849-1).

What safety devices can be connected to 3SK2122-1AA10?

It can be connected to emergency stop buttons, safety switches, light curtains, and two-hand control stations.

3SK2122-1AA10

Name: 3SK2122-1AA10
Brand: Siemens
SKU: 3SK2122-1AA10

SIRIUS Safety Relay Basic Unit

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

SIRIUS Safety Relay Basic Unit
20 F-DI, 4 F-DQ, 2 DQ

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Technical specifications for 3SK2122-1AA10

Manufacturer:

Siemens
Product Category:

PLC Systems
Spare Part Number:

3SK2122-1AA10
Estimated shipping dimensions:

4.5x10x12.45cm
Weight:

0.35 kg
Tariff Code:

8537101190
Counliy of origin:

GERMANY
Number of function blocks typical:

50
Degree of pollution:

3
Surge voltage resistance rated value:

800 V
Protection class IP:

IP20
Shock resistance:

15g / 11 ms
Operating frequency maximum:

2000 1/h
Control supply voltage 1 at DC rated value:

24 V
Recovery time of the safe outputs:

0 ms
Readback time maximum:

400 ms
Total current maximum:

7 A
Voltage drop maximum:

0.5 V

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Information

Overview Manuals Common Applications Product Precautions

The 3SK2122-1AA10 is a basic unit of the SIRIUS 3SK2 series safety relays under the Siemens brand. It is an advanced safety controller for industrial automation systems, specifically designed to monitor and execute safety functions.

Meets the highest industrial safety standards
Logical configuration using SIRIUS Safety ES software
Supports seamless expansion via the 3ZY12 device connector

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 screw terminal 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.SIRIUS 3SK2122-1AA10 is the pinnacle of safety integrated technology, seamlessly blending the flexibility of a PLC with the simplicity of a relay. For small machinery requiring more than 4-5 safety functions, it is the optimal choice to reduce costs, optimize cabinet space, and enhance diagnostic capabilities.

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Siemens 3SK2122-1AA10 SIRIUS Safety Relay Basic Unit Manuals, Datasheets, Drivers, Link

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Printing & Paper

Implementing safe-stop functions for large rotary presses and monitoring tensioning safety.

Machine Tool Manufacturing

Managing E-stop buttons, safety doors, and light curtains on CNC centers to ensure a safe working envelope.

Logistics & Warehousing

Controlling safety logic for automated conveyors and sorting systems, including overspeed monitoring.

Pharmaceutical Industry

Ensuring safe access control to cleanrooms and monitoring the status of hazardous chemical mixing equipment.

Semiconductor Industry

Integrating safety interlocks for wafer handling robots and gas cabinet monitoring systems.

AGV/Mobile Robots

Processing laser scanner data to slow down or stop the vehicle when an obstacle is detected.

When using the Siemens 3SK2122-1AA10 safety controller, it is crucial to correctly configure the logic via SIRIUS Safety ES software and perform offline simulation; never deploy without verifying the safety logic. Ensure that sensors and wiring methods comply with SIL 3 / PL e standards, and utilize the test pulse function to periodically check for cross-circuits or faults. Additionally, as a highly integrated electronic module, strictly adhere to 24V DC polarity requirements and maintain a proper cooling environment and ESD protection to ensure system stability under high-frequency switching.

FAQ View All FAQ

What is 3SK2122-1AA10?

It is a software-configurable safety controller from the Siemens SIRIUS series, used to manage complex safety functions.
How many I/O points does 3SK2122-1AA10 have?

It has 20 fail-safe digital inputs (F-DI) and 4 fail-safe digital outputs (F-DQ).
What is the operating voltage of 3SK2122-1AA10?

Its rated control supply voltage is 24 V DC.

What safety level does 3SK2122-1AA10 reach?

It complies with the highest safety levels, SIL 3 (IEC 61508) and PL e (ISO 13849-1).
What safety devices can be connected to 3SK2122-1AA10?

It can be connected to emergency stop buttons, safety switches, light curtains, and two-hand control stations.

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