Hello,

I have one CP-342 conected with one CPU315F-2PN/DP,  the CP in RUN, with BF because the other side is not ready yet.

If I power off all the PLC and restart the power, the CP restarts in STOP, and when I download the Hardware application change to RUN again. (the CP is located in slot 9)

Yesterday I took only the  CPU and CP to test (I modified the HW configuration, CP slot 4) in the office and when I made a power supply restart the CP starts correctly RUN.

somebody could help me please?

thank you

New question published by AutoGen_8562133 is split to a separate thread with the subject Is it possible to communicate between a redundant cpu(412-5h) and a single station (cpu 315 with cp 342-5) without Y-link?.

Best regards
Jen_Moderator

Good Morning,

in the old application "sabe cfg in the cpu" was selected, in the new application too. I tried deselecting this option too and nothing.

Could have the position of the card in the rack (slot number) any influence? if I move it to the closest slot to the CPU (slot 4) in the HW configuration to test it, could be any problem with addresses, safe system...?

thank you

hello,

i send the CPU diagnostic buffer, these addreses are configured in the CP342 configuration

thank you

Hello jortx,

please press the "Save as" button within the diagnostic buffer and upload the diagnostic information here.

Another interesting point I think: Please share a screenshot of the hardware configuration of the CP

Thanks
Sabine

HI,

the situation is that I´m working like Slave and I have communication with the master (in this case S7-400 ). If i lose the power supply of the cp342 (the CPU315 doesn´t lose power, only CP) and restart it, the CP342 cannot RUN, and is in STOP.

the only way to RUN again is downloading the HW , nothing with the STOP/RUN swith, restart power again...

thank you