![]() In this case, what is the procedure for connecting to PLC and download the program to the PG? ![]() At first I thought it was the adapter, however when connected to another PLC (S7 300), this worked. I have a PG where I have installed V 5.3 STEP 7 with SINUMERIK Hardware Add-Ons, however when trying to connect to the PLC through MPI with an MPI/USB adapter, the LEDs not lit (MPI, POWER, USB). However, I noted that the PLC is running or at least that's what the LEDs indicate. When starting the machine, all front panel LEDs start flashing and an alarm appears that there is no communication with the PLC. The version of Windows installed on the PCU 50 is Windows NT. Recently I've been "fighting" with SINUMERIK 840D equipment used for re-profiling the wheelset of railway wagons (MFD Hegenscheidt U2000-400). ![]() ![]() First of all get my apologies because my English is not very good. ![]()
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