Applicable Systems
S7-1200
S7-1500
S7-300
S7-400
LOGO!
SINAMICS
Symptoms
PROFINET IO device overload reported.
Possible Causes
IO device processing overload, too many alarms from device.
Troubleshooting Steps
Reduce alarm frequency from IO device, check device firmware for alarm handling improvements.
How to Reset
Clear after overload condition resolves
Source: Siemens S7-1200/1500 system diagnostics
Category: PLC & VFD