Will the value assigned to a variable in an InterPlot configuration file (IP.CFG, IPLOT.CFG, IPLOTSRV.CFG) be overwritten if included in a MicroStation .ucf or .pcf file?
Yes. The values in a MicroStation .ucf or .pcfg file will overwrite does in an InterPlot Configuration file (IP.CFG, IPLOT.CFG, IPLOTSRV.CFG)