Case No. 02 · Emergency diagnostics
Emergency service on a plastic profile line
Restoration of the Siemens S7-414 / Prisma / WEBFactory control system after a production stoppage.
Task
On a plastic profile production line, operation via the old Prisma / WEBFactory visualization system on Windows 2000 had completely failed. Production had already been stopped for several days, and commands from the visualization system were no longer reaching the controller.
Technical data
- Plastic profile production line
- Siemens S7-414
- STEP 7 Classic
- Prisma Runtime / WEBFactory
- OPC
- Windows 2000
What was implemented
- Direct connection to the Siemens S7-414 via STEP 7
- Checking PLC status and all modules
- Analysis of OPC communication and DB data transfer
- Checking Prisma Runtime / WEBFactory / EventHandler
- Restoration and test of the backup system
- Step-by-step diagnostics of the old Windows 2000 system
- Restoration of the connection between visualization and PLC
Result
- The line is producing again
- Operator control was restored
- Communication with the PLC is stable
- The customer was advised to modernize the old SCADA system
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