Siemens S7-1200 Troubleshooting

I need an expert to troubleshoot communication errors on a Siemens S7-1200 system. I'm specifically dealing with configuration issues that are causing communication errors. Key Requirements: - Extensive... (Budget: €250 - €750 EUR, Jobs: Automation, Electrical Engineering, Industrial Engineering, Network Security, Performance Tuning, PLC, Technical Support, Troubleshooting)