I'm a new user of Scada software, i want to create application with the below details, but i do not know,how? please help me. i have 3 devices that use MODbus protocol. these device send data through RS485 port to access point #1, then access point #2 receive data and send data to computer. scada software is install on this computer. i want to design scada application that show device's parameter on this computer and then send data to RTU. i have any question about this scada application, for example: channel type? number of channel? receive data protocol? send data protocol? how to break up these 3 device with single channel? and all thing that help me to design this scada application.
