Developed by IFAS in 1994, is a hydraulic-pneumatic-control simulation software based on schematic diagrams.
One of the most user-friendly aspects of the component library is its drag-and-drop interface. You can simply drag components from the library onto the drawing area to create your circuit diagrams. This intuitive design allows you to create your first circuit in minutes.
The FluidSIM component library is a digital repository of hundreds of engineering symbols and functional models. It is the core of the software, enabling realistic simulation.
| Issue | Likely Cause | Solution | |-------|--------------|----------| | Download hangs at 50% | Firewall blocking FluidSIM | Add FluidSIM.exe to Windows Defender Firewall allowed apps. | | "Server not found" | Outdated software version | Update to latest minor version (e.g., 5.1 → 5.3). | | Components still missing after download | Corrupted local cache | Delete folder %AppData%\FluidSIM\Cache and re-download. | | "No internet connection" but online | Proxy server required | Configure proxy in . | | Trial version cannot download full top library | Licensing restriction | Only basic library (~50 components) is included. Purchase license. |
Once you have found your desired file (usually a .zip , .flb , or .exe file), follow these steps to integrate it into your software.
| Step | Action | Expected Result | |------|--------|------------------| | 1 | Launch FluidSIM. | Main window opens with default library sidebar. | | 2 | Click on tab (right side). | Shows categories: Pneumatics, Hydraulics, etc. | | 3 | If components show red "?" or missing icons → go to Help → Repair Library . | Repair wizard launches. | | 4 | Select "Download complete library from Festo server" . | Dialog: "This will replace local library with top-level online version. Proceed?" | | 5 | Click Yes . | Download starts. Size ~150 MB compressed. | | 6 | After completion, click Restart FluidSIM . | Library shows all components (500+ pneumatic, 200+ hydraulic, 300+ electrical). |
Group multiple components together (e.g., a specific valve-cylinder combination) and create a single macro block.
The software provides value ranges for these parameters, helping users understand the limits within which components can operate.