Siemens 3RK3231-2AA10 Safety Relay Expansion Module

Description

Siemens 3RK3231-2AA10 Safety Relay Expansion Module

Product Dimensions：

The Siemens 3RK3231-2AA10 is a highly versatile, modular central processing unit from the SIRIUS 3RK3 Modular Safety System (MSS) family. It is designed to bridge the gap between simple safety relays and complex safety PLCs.

Product Description

The 3RK3231-2AA10 (MSS Basic) is a central module used to monitor safety functions in industrial environments. It functions as a programmable safety controller that can manage multiple safety sensors and actuators, providing a compact and cost-effective solution for machines requiring more than a few safety relays.

Technical Specifications

Key Advantages

• Flexibility: Replaces multiple individual safety relays, reducing wiring complexity and cabinet space.

• Ease of Configuration: Uses the MSS ES software, which allows for drag-and-drop parameterization rather than complex coding.

• Scalability: While this is a “Basic” unit, the system allows for the addition of expansion modules to increase I/O capacity as needed.

• Diagnostic Transparency: Integrated LED displays and software diagnostics help minimize machine downtime by identifying faults quickly.

Safety & Installation Notes (Precautions)

1. Professional Installation: This device should only be installed and commissioned by qualified personnel familiar with functional safety standards.

2. Voltage Stability: Ensure the 24V DC power supply is stable and meets the PELV (Protective Extra-Low Voltage) or SELV requirements.

3. Environmental Limits: Do not exceed the specified operating temperature range (typically $-20^{\circ}C$ to $+60^{\circ}C$) to avoid premature component failure.

4. Configuration Check: Always perform a functional test and validation of the safety logic after any software changes before putting the machine back into production.

Product Applications

The 3RK3231-2AA10 is ideal for medium-sized safety applications, including:

• Emergency Stop Monitoring: Managing E-stop buttons across a production line.

• Access Control: Monitoring light curtains, laser scanners, and safety gates.

• Presses and Packaging: Controlling the safety sequences of automated packaging machinery.

• Conveyor Systems: Implementing “Zone Safety” where specific sections of a line need to be isolated without shutting down the entire plant.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

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