PLCs, Power Supplies & Others

Product Overview

The Siemens 6ES5312-3AB31 is an IM312 Extension Unit Interface Module designed for SIMATIC S5-135 and S5-155 PLC systems. Moreover, it enables centralized connection between an Extension Unit (EU) and a Central Controller (CC) or another EU, providing flexible system expansion. In addition, the compact design allows the EU to be installed directly under the CC for space-efficient setups.

Key Features

This interface module delivers reliable performance for industrial automation networks:

• Supports centralized EU-CC and EU-EU connections, ensuring smooth data communication
• Compact module design ideal for installations with limited space
• Includes 0.95-meter connection cable for straightforward and fast setup
• System Compatibility: Works with SIMATIC S5-135 and S5-155 PLCs
• Obsolete product lifecycle; consult Siemens for alternative solutions
  Therefore, it remains valuable for maintaining or upgrading legacy systems.

Technical Specifications

Typical Applications

The IM312 interface module is ideal for extending SIMATIC S5-135/155 PLC systems with additional Extension Units. For instance, it facilitates centralized EU control in manufacturing lines or automated processing systems. Moreover, it ensures reliable communication between multiple modules while minimizing wiring complexity.

FAQ

Q1: Is the Siemens 6ES5312-3AB31 new and original?
Yes, it is 100% Siemens original, available in stock, and ships within 3 days–2 weeks, depending on order quantity.

Q2: Can this module connect multiple Extension Units?
Yes, it allows EU-CC and EU-EU connections for flexible system integration in legacy PLC setups.

Q3: How is shipping and return handled?
Shipping uses DHL or FedEx, and quality issues can be returned within 30 days.

Details