Step 7 Connecting, Downloading and Uploading

These are general guidelines for connecting, downloading and uploading from an S7-300 or S7-400 PLC. The following procedures were created using Siemens SIMATIC STEP 7 version 5.4 software.

To start, open the SIMATIC Manager.

Now follow the links below.

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Connecting to s7-312C

I have a problem right now. Before i was able to connect to the plc (s7-312c cpu) using PC Adapter USB-MPI/DP connector. But all of a sudden there was a power interruption while im in monitor mode. Then i tried to connect again the pc to plc, this time online connection is not possible anymore. What could be cause of this. please help..

please go to options in s7

please go to options in s7 manager and open set PG/PC interface and changed setting to pc adaptor auto and then it will working.

programing s7-300 lader

i need information about nprograme s7-300