关于deltav系统的趋势问题？ 我查了一下，你看下面的步骤是否可行： to start process history view 1.click start | deltav | operator | process history view. 2.click e +chart in the new dialog box. 3.click the add button and then click the browse button on the parameter reference entry dialog box. 4.select module parameters in the object type field and browse for xxxx/pv.cv to plot the value 5.click ok in the parameter reference entry dialog. 6.the graph appears showing module trends for the parameter references and the events in area 7.the process history view application has numerous graph configuration options and event filtering options that are described in the online help. 8tip click trend | plot method to change the line style. 9.close the process history view application. 从books on line中可以查到，你可以参考一下。查看更多
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