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I'm testing the system with Hot-Standby on Quantum PLC and I'm experiencing a serious problem. When there is no hot-standby (only one PLC) SCADA has a good performance. Time between opening some control window or page and displaying values in it is short (less than 0.5 s). After starting hot-standby displaying takes about 3-4 seconds and is not acceptable. There is no change in SCADA in time between switching, I'm displaying the same page and the same window in both cases.
Was there such a problem ever reported? Has anyone experienced it? What is the solution? The problem is the same wheter if using CitectSCADA or InTouch.
Thanks,
Grzesiu
Was there such a problem ever reported? Has anyone experienced it? What is the solution? The problem is the same wheter if using CitectSCADA or InTouch.
Thanks,
Grzesiu