Connecting to com1 and com3 on port a – Maple Systems HMI5000 Series User Manual
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EZware5000 Series Programming Manual
1010-1007, Rev. 10
Connecting to COM1 and COM3 on Port A
Maple Systems HMI5000 Series family of HMIs is capable of connecting to multiple PLC/controllers. If you choose to
take advantage of this feature, and one of your PLC/controllers uses either RS485-4 Wire or RS485-2 Wire
communication, one of four splitters will be needed.
Scenario 1 – Two RS485 2 Wire PLC/Controllers, with COM1 configured for RS485-2 Wire and COM3 configured for
RS485-2 Wire.