Hello experts,

I having one doubt regarding the S7-400 H CPU. CPU is connected with 8 IM modules. Is PLC goes to stop mode when we connect new Analog input module(without power supply) on IM module which slot not configured on hardware configuration. Pl reply 

Thanks in advance

Hello,

CPU will not go to stop but will show SF in case of error OBs are downloaded.

Please see this.

Kbv.