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Siemens PLCSIM: Download, Pricing & System Requirements

Siemens SIMATIC S7-PLCSIM (TIA Portal Emulator) is Siemens's 5-language PLC programming environment supporting SIMATIC S7-1200, SIMATIC S7-1500, SIMATIC S7-300 (PLCSIM Classic) and more. Released 1998, latest update 2025-09.

Pricing
$$$
USD 0 – 2 000
Difficulty
Intermediate
2-4 weeks
OS
Windows 11 (64-bit)
8+ GB RAM
Languages
LAD, FBD, STL, ST, SFC
IEC 61131-3

In one minute

Siemens PLCSIM is best for working siemens automation engineers and pre-commissioning code validation on s7 projects. Industry-standard Siemens PLC emulator. Bundled with TIA Portal and used by every working Siemens engineer for offline development, testing, and FAT.. Adoption is very-high (42% market share) across Global.

Capability profile

Six-axis score (0–100) based on pricing, learning curve, hardware support, adoption, community, and feature depth.

Pricing50/100Ease of Use50/100Features61/100Adoption69/100Community100/100Career Value52/100
Siemens PLCSIM capability profile (overall 62/100)

Key features

Authentic Siemens firmware emulation
Byte-for-byte identical to physical CPU execution
Integrates with TIA Portal seamlessly
Watch tables, force tables, online monitor
Works with WinCC for HMI emulation
PLCSIM Advanced supports OPC UA and external API
Failsafe (F-CPU) emulation supported

Pricing & licensing

Tier$$$
Price rangeUSD 0 – 2 000
Pricing modelperpetual license
Free trialYes — 21 days
Educational discountYes

PLCSIM is included with TIA Portal — its price is bundled with the engineering software. PLCSIM Advanced (separate licence) extends emulation with PLCSIM API and standalone runtime. Trial of TIA Portal includes PLCSIM at no extra cost.

System requirements

Operating systemsWindows 10 (64-bit), Windows 11 (64-bit)
Minimum RAM8 GB
Recommended RAM16 GB
Disk space10 GB
ProcessorIntel/AMD x64

Inherits TIA Portal requirements — substantial Windows install with .NET, SQL Server LocalDB, and Siemens runtime services. Mac users need Parallels or Boot Camp.

Supported hardware

PLC families

  • SIMATIC S7-1200
  • SIMATIC S7-1500
  • SIMATIC S7-300 (PLCSIM Classic)
  • SIMATIC S7-400 (PLCSIM Classic)

Capabilities

  • HMI integration
  • SCADA integration
  • Variable frequency drives
  • Safety programming
  • Motion control
  • Robotics integration

Pros

  • +Industry-standard Siemens emulator
  • +Real firmware behaviour, not approximation
  • +Tight TIA Portal integration
  • +Trusted for production code validation and FAT
  • +Free with TIA Portal trial / educational licences
  • +Supports multi-CPU configurations

Cons

  • Windows-only
  • Requires TIA Portal — large install (~6 GB+)
  • TIA Portal licence costs €1,200-2,000+/year for production use
  • Mac/Linux only via VM
  • No browser version

Best for

Working Siemens automation engineers
Pre-commissioning code validation on S7 projects
Factory acceptance testing for Siemens-house OEMs
Engineers preparing for Siemens certification exams
University courses standardised on Siemens platform

Compare Siemens PLCSIM with…

Other Siemens software

Certifications & training

Siemens Certified Programmer (SCP) (). Cost tier: .

Training providers: .

Frequently asked questions

How much does Siemens PLCSIM cost?
Siemens PLCSIM pricing falls in the $$$ tier (USD 0 – 2 000). PLCSIM is included with TIA Portal — its price is bundled with the engineering software. PLCSIM Advanced (separate licence) extends emulation with PLCSIM API and standalone runtime. Trial of TIA Portal includes PLCSIM at no extra cost.
How do I download Siemens PLCSIM?
Siemens PLCSIM offers a 21 days free trial. Download from the official Siemens website. A licensed copy ranges from USD 0 – 2 000 depending on edition and add-ons.
What are the system requirements for Siemens PLCSIM?
Siemens PLCSIM runs on Windows 10 (64-bit), Windows 11 (64-bit) with a minimum of 8 GB RAM (16 GB recommended) and 10 GB of disk space.
Which PLCs does Siemens PLCSIM support?
Siemens PLCSIM supports Siemens controllers, including SIMATIC S7-1200, SIMATIC S7-1500, SIMATIC S7-300 (PLCSIM Classic), SIMATIC S7-400 (PLCSIM Classic).
Is Siemens PLCSIM hard to learn?
Siemens PLCSIM is rated Intermediate difficulty. Typical learning time is 2-4 weeks. Prerequisites: TIA Portal installation, Working knowledge of S7-1200 / S7-1500 architecture.
Does Siemens PLCSIM support all five IEC 61131-3 languages?
Siemens PLCSIM supports LAD, FBD, STL, ST, SFC from the IEC 61131-3 standard.