Operator terminal in a process control system

摘要

The present invention relates to a method of enabling an operator to make control or protection related decisions in a process control system, an operator terminal in a process control system as well as to a computer program product for such an operator terminal. The method includes the steps receiving (38) an operator selection of a control object in a view of control objects, selecting (40) a number of data points for a group of control objects including the operator selected control object according to a data point selection criterion, fetching (42) process data values associated with the data points and with different control aspects, and presenting (44) the process data values of on a display, where each data point receives one corresponding presentation axis on which data values of this data point are presented and data values of data points associated with the same control aspect are linked together with a line.