6. Function blocks6.1 Manufacturer function blocks6.1.3 Arithmetic and analog function blocks6.1.3.1 A - Analog value comparatorGeneraleasyE4 base devices provide 32 analog comparators, A01through A32.Analog comparators can be used to compare analog inputvalues with a reference value.Operating principleThe following comparisons are available:Function block input I1 greater than, equal to, or less than function block input I2.Using the factors F1 and F2 as inputs enables you to amplify and adjust the values ofthe function block inputs.Function block input OS can be used as an offset for input I1.The HY function block input is used for the positive and negative switching hysteresis ofthe input I2.The contact Q1 switches if the condition of the comparison mode you have selected isfulfilled.244 easyE4 11/18 MN050009 EN www.eaton.com
