profmaster Posted March 26, 2009 Report Posted March 26, 2009 Hi, I need some info regarding Siemens PLC. I'm new with this model, Siemens Simatic 505 Family, CPU PLC 555 I think this is very old model. I need do some modification. Is that possible I use RS232 to communicate with PLC. I want make from 1 PLC(main) to 2 PLC(slave). How I want communicate between PLC CPU using RS232? I found each CPU board have 2 com port. RS232 #1 and RS232 #2. RS232#1 is connected to Touch Screen and RS232#2 still available. What I must to do? One more thing, I found 1 card that know as Peerlink at each PLC rack. What is that? Please help. Thanks....
profmaster Posted March 26, 2009 Author Report Posted March 26, 2009 No body know about this ar.!!???
aggattapauer Posted March 26, 2009 Report Posted March 26, 2009 That is an old Texas Instrument PLC. Try to looking for TI505 or TI555 maybe you'll find something helpful
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