The OIS have already been replaced with Conductor NT.
So far it appears that the hardware is still well supported.
I was told Harmony Rack systems are still ABB's mainstream DCS product and are 100% compatible with Network 90 systems. If this is the case, why is your experience different?
I...
I am conducting a business case that investigates the value of upgrading the 15 year old Bailey Network 90 (N90) controller of a Water Purification Plant (WPP) to a PLC/SCADA system.
I am fairly new to DCS/SCADA systems, but I have good experience with PLCs. I have had trouble getting reliable...