Why Siemens SIMATIC S5 Is Still Running in Factories Today
Decades after launch, the S5 survives in plants worldwide. Here is how to support it without a forced upgrade.
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ET 200SP, ET 200S, ET 200M and ET 200pro: What Is the Difference?
A plain-English comparison of the main Siemens ET 200 distributed I/O families.
A Checklist for Testing a Refurbished PLC Before It Goes Into Your Panel
What a sensible test programme looks like for a refurbished PLC module, and what to ask your supplier.
PROFIBUS vs PROFINET: Which Do You Have, and Can You Mix Them?
Understand the difference between PROFIBUS and PROFINET and how to connect old and new devices.
Migrating Legacy HMI Projects: From OP and MP Panels to Newer Siemens Hardware
Planning the replacement of old operator panels without rewriting every screen.
Four Spare Parts Every Siemens S7-400 Site Should Keep on the Shelf
A short spares list for plants running SIMATIC S7-400 controllers.
S7-1200 or S7-1500? A Simple Way to Choose
How to pick between the SIMATIC S7-1200 and S7-1500 controllers based on size, speed and features.
Selling Surplus Siemens Automation Equipment: How to Get the Best Price
Practical tips for owners with unused Siemens PLCs, HMIs and drives.
Buy Refurbished Siemens HMI Panels: Comfort, Basic, Multi and Operator Panels in Stock
Looking for a replacement Siemens HMI panel? See what is available, how condition options work and how to order.
Siemens S7-300 CPU Replacement: How to Choose the Right Module Before You Order
Replacing an S7-300 CPU? Check these four things first to avoid ordering the wrong part.