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Hi all....In our Electric Rope Shovels it´s installed a CPU 416-2 DP. After a Power Lost condition in the machine and when the PLC restarts again, PLC starts in STOP mode, therefore we always ended with a Comunication Lost failure and the machine in stopped condition.
¿Do you have any idea about what is generating this problem? or ¿Do you have any idea on how to solve this situation?
Regards, Juan.
Dear Juan,
The issue of your CPU 416-2 DP starting in STOP mode after a power loss is often related to the configured restart mode and/or communication settings.
Here are potential causes and solutions:
For detailed information and troubleshooting steps, please refer to the following resources on SiePortal:
If the problem persists, please provide the PLC program (OB1, OB100), hardware configuration, and details of the PROFIBUS DP network for further assistance.
Sincerely,
Siemens Self Support
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