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An existing application consists of two SattCon 15 PLCs connected with 4-wire RS-485 from CH1 of the SICB COMLI interface. These are connected to a Radio Spares RS232/485 protocol convertor. The DTR+/DSR+ and DTR-/DSR- terminals are tied on the 485 side. 2-wire RS-232 is then run from the convertor to the PC. The DTR/DSR terminals are tied on the 232 side. Not sure at this stage of any looping at the PC end. The iFIX driver 'SCC' is basically an RS-232 driver (COM port).
I want to connect to two iFIX PCs since these are setup in a master/standby arrangement. I imagine I will have to convert to 2-wire 485 since there will be multiple masters.
Does anyone know if the SattCon 15 will support 2-wire 485? Would it be preferrable to put RS-485 cards in the PCs or go for an extra protocol convertor? What else do I have to look out for?
I want to connect to two iFIX PCs since these are setup in a master/standby arrangement. I imagine I will have to convert to 2-wire 485 since there will be multiple masters.
Does anyone know if the SattCon 15 will support 2-wire 485? Would it be preferrable to put RS-485 cards in the PCs or go for an extra protocol convertor? What else do I have to look out for?