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Siemens 3SU1400-1LL10-3BA1 Fail-safe PROFINET Interface Module

Siemens 3SU1400-1LL10-3BA1 SIRIUS ACT fail-safe PROFINET interface module.

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ManufacturerSiemens

Part number3SU1400-1LL10-3BA1

Voltage 24 V DC

Inputs 4 DI

Outputs 1 DQ

Analog Input 1 AI (12-bit)

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PROFINET Fail-safe Interface 4 DI, 1 DQ, 1 AI (12-bit) 24 V DC operation Spring-loaded terminals Front plate mounting SIRIUS ACT series

Product description

The Siemens 3SU1400-1LL10-3BA1 is a fail-safe interface module part of the SIRIUS ACT series, designed for PROFINET communication. It operates at 24 V DC and features spring-loaded terminals for easier and faster wiring. This module includes 4 Digital Inputs (DI), 1 Digital Output (DQ), and 1 Analog Input (AI) with a 12-bit A/D resolution. It is designed for front plate mounting and can connect 1 to 20 terminal modules.

This module is essential for safety-critical applications in industrial automation, such as emergency stop circuits, safety interlocks, and monitoring of safety devices. Its PROFINET interface allows for integration into modern, networked safety systems, ensuring reliable and secure operation.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3SU1400-1LL10-3BA1 at competitive prices. We ensure that our customers receive dependable components for their automation and safety requirements.

Technical specifications

Voltage	24 V DC
Inputs	4 DI
Outputs	1 DQ
Analog Input	1 AI (12-bit)
Terminal Type	Spring-loaded
Mounting	Front plate
Connectivity	PROFINET
Safety	Fail-safe

Common applications

Safety Interlocks

Emergency Stop Systems

Industrial Safety

Machine Control

PROFINET Networks

Automation

Compatible systems

PROFINET Safety Controllers Siemens Safety PLCs Integrated Safety Systems

Also known as

Siemens 3SU1400-1LL10-3BA1 SIRIUS ACT Safety Interface PROFINET Fail-safe Module

Replaces / compatible with

This fail-safe module is designed for modern PROFINET-based safety systems, enabling integrated safety functionalities. It is not a direct replacement for legacy safety components but an enabler for advanced safety integration.

Technical note

Expert tip

Utilize the spring-loaded terminals by pushing the wire into the terminal opening until it is securely held, ensuring a reliable connection for safety signals.

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Frequently asked questions

What are the advantages of using spring-loaded terminals on the Siemens 3SU1400-1LL10-3BA1?

The spring-loaded terminals on the Siemens 3SU1400-1LL10-3BA1 offer faster and more secure wiring compared to screw terminals. They provide consistent contact pressure, reducing the risk of loose connections, especially in vibration-prone industrial environments.