Tuesday, December 1, 2009

Using EM277 to test S7-200 system with only 1 port

Step 1 - Update to Microwin 4.0 to SP7 (http://support.automation.siemens.com/WW/view/en/33005232).

Step 2 - Connect the PPI cable to EM277

Step 3 - Access via Profibus, the PG/PC interface has to be configured to "S7ONLINE --> PROFIBUS". For example CP5611 (Profibus). Then in properties "mark" "Only Master on the Bus", select address and baud rate should be bigger then 187kbaud.

Step 4 - You are online & connected to the S7-200 system with only 1 port.

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