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THE SIEMENS SIMATIC S7-300 WILL BE DISCONTINUED IN OCTOBER 2025

CNC Design Co., Ltd. - Kittipong Nampanya

The Siemens SIMATIC S7-300, a trusted workhorse in industrial automation for decades, will officially be discontinued in October 2025. Siemens has been moving toward the next generation S7-1200 and S7-1500 series for many years now, with these offering cutting-edge performance, seamless integration with TIA Portal, and future-ready technology.


Manufacture : SIEMENS

Product : SIMATIC S7-300 (PLC Controller)


Information about SIMATIC S7-300 system :


The SIMATIC S7-300 automation system is a programmable controller for factory automation/engineering in the OEM sector. The S7-300 system has a modular design and consists of the following components:

  • Power supply modules

  • Central processing units

  • Input and output modules

  • Signal preprocessing modules

  • Communications processors

  • Function modules


Planning Plant Migration

Attention to all customers…


Advantages of modernization :


The S7-1500 system supplements the previous S7-300/S7-400 systems. Over the next few years, the systems S7-300, S7-400 and S7-1500 will be marketed in parallel. A phasing out of S7-300/S7-400 will officially be discontinued in October 2025. After this time the components of both systems will still be available for another 10 years as spare parts.


SIMATIC S7-300/S7-400 and S7-1500 automation systems
SIMATIC S7-300/S7-400 and S7-1500 automation systems

Why Upgrade to S7-1200/1500?


  • Boost performance with faster, more reliable systems.

  • Future-proof your operations with digitalization compatibility.

  • Protect your systems with advanced security and features.

  • The risk for old plants increases continuously due to the difficult spare parts supply situation





Solutions :


With October 2025 fast approaching, now is the perfect time to upgrade.

CNC Design is here to help. We provide expert support to ensure a smooth and reliable transition to the latest Siemens SIMATIC PLC technology.


Don't wait, plan your upgrade now and stay ahead of the curve, contact CNC Design team for more information.


Reference resource : CNC Design Pty Ltd - Link


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