Posted 16 Aug 2014 i have hitachi eh150 plc cpu208A and its programming software but i don't know how to read analog input . when i add contact point to hi ladder there is multi choices for this input to be R,L,X,Y,CU,TMR i don't know what is these abbreviations mean . i read the manual but it isn't clear please help thans Share this post Link to post Share on other sites
Posted 7 Apr 2015 Hello, i Believe you would have found the answer by now. if not then try this: I am using PRO-H software (IEC 61131-3) with exact same processor. you just add you input address as %IW#.# eg. %IW6.0 where 6 is the card position and .0 is input number. also be careful that the card i am using, its full resolution is 4095 steps (12 bit). same data structure is used for H-Ladder i believe. hopefully its little bit helpful. Regards. Share this post Link to post Share on other sites