I will troubleshoot plc hmi and modbus communication remotely

Is your PLC not communicating with the HMI?

Is Modbus TCP or Modbus RTU not working?

Is your machine sequence stuck?

Are you getting PLC communication errors?

I provide remote PLC, HMI and industrial communication troubleshooting to help identify and resolve automation problems.

I can troubleshoot

• PLC communication problems
• HMI connection problems
• Modbus TCP
• Modbus RTU
• RS-485
• Ethernet communication
• PLC-to-HMI communication
• PLC-to-PLC communication
• Register and address mapping
• I/O problems
• Sensor problems
• Machine sequence problems
• Alarm and interlock problems
• PLC programming problems
• Network configuration

Supported systems

• Siemens
• CODESYS
• Delta
• Mitsubishi
• Schneider
• Allen-Bradley
• Modbus systems

Remote support

I can work remotely using:

• AnyDesk
• TeamViewer

You can provide screenshots, PLC/HMI project files, error messages, electrical drawings or communication settings.

I will investigate the problem and identify the likely cause before making changes.

Please contact me before ordering with your PLC model, HMI/device, communication protocol and a description of the problem.