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awtSCADA vs Ignition vs Rapid SCADA vs WinCC — Comparison for Small Projects #5

larionovavi-stack started this conversation in General
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Comparing Free/Affordable SCADA Systems for Small Industrial Projects

If you are looking for a SCADA system for a small to medium project (up to 1000 tags), here is how awtSCADA compares to popular alternatives:

Feature awtSCADA Ignition Rapid SCADA WinCC
Price Free demo / 15ドルK source 3,900ドル+ Free (open source) 1,500ドル+
Installation None (single HTML) Java server Windows installer Windows only
IEC 61850 Yes (MMS, GOOSE, SV) Plugin ($) No Plugin ($)
OPC UA Yes Yes Yes Yes
Modbus TCP Yes Yes Yes Yes
Browser-based Yes (100%) Yes Partial No
Offline/Air-gap Yes No Yes Yes
Function Blocks 53 Unlimited Limited Many
Platform Any browser Cross-platform Windows Windows

When to choose awtSCADA:

  • You need IEC 61850 support without expensive licenses
  • You want zero-installation deployment
  • You need to run on air-gapped networks
  • Budget is limited but you need professional features

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What SCADA system are you using? What features matter most to you?
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