PLC CPUs, Safety PLCs & Logic Modules

244 parts

PLC CPUs, safety PLCs and logic modules from Siemens, Schneider Electric and ABB. The range has over 240 controllers, from small logic relays such as LOGO! 8 and Zelio Logic to SIMATIC S7-1500 and redundant S7-400H systems. Stoklink ships worldwide from Turkey and quotes project volumes on request.

244 parts

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Guide

PLC CPUs, Safety PLCs & Logic Modules buying guide

What's in this range

  • SIMATIC S7-1500 and S7-1500F CPUs, including fail-safe and technology versions.
  • SIMATIC S7-1200 and S7-400 CPUs, including S7-400H redundant systems.
  • Modicon M221, M241 and M262 controllers from Schneider Electric.
  • Logic modules: LOGO! 8 and Zelio Logic for small machines and building control.

How to choose

  • Program memory and cycle time: size them to the control task and expected growth.
  • Onboard I/O and expansion: small controllers have fixed I/O, larger CPUs scale through modules.
  • Interfaces: check PROFINET, Ethernet, serial and OPC UA support against the plant network.
  • Safety rating: a safety PLC must match the SIL required by the risk assessment.
FAQ

PLC CPUs, Safety PLCs & Logic Modules questions

Can I replace an S7-300 CPU with an S7-1500?

Not as a direct swap. The hardware differs and the program must be migrated in TIA Portal. Plan for new I/O or an interface module.

What does the F in S7-1500F mean?

It marks a fail-safe CPU. It runs safety functions alongside the standard program and needs F-rated I/O for safety signals.

Do you ship CPUs outside Turkey?

Stoklink ships worldwide from Turkey under EXW terms. Lead time depends on distributor stock, and project quantities are quoted on request.

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