Applicable Systems
S7-1200
S7-1500
S7-300
S7-400
LOGO!
SINAMICS
Symptoms
Communication error: no communication partner detected.
Possible Causes
- No master on the bus
- Communication cable broken
- Address configuration error
Troubleshooting Steps
- Step 1: Check if master is online
Master responding - Step 2: Verify communication cable
Cable intact - Step 3: Check device address settings
Address correct and unique
How to Reset
Reset via operator panel after communication is restored.
Source: Siemens SINAMICS G120 List Manual
Category: PLC & VFD