Fix: Verify that no other software (like a PLC programming IDE or another SCADA utility) is currently occupying the assigned COM port. Check physical cable continuity and reverse the TX/RX lines if using a custom RS232 cable pinout.
While DOX-Mini is essential for maintaining older Messung hardware, the company has transitioned to more advanced platforms for modern projects:
Fix: Verify that no other software (like a PLC programming IDE or another SCADA utility) is currently occupying the assigned COM port. Check physical cable continuity and reverse the TX/RX lines if using a custom RS232 cable pinout.
While DOX-Mini is essential for maintaining older Messung hardware, the company has transitioned to more advanced platforms for modern projects: dox mini software messung plc best