IM ARULPRAKASH FORM CHENNAI INDIA MY COMPANY TAKING ANNUAL MAINTANCE CONTRACT FOR IBMS SO WE HAVE TO MAINTANE SOME SIEMENS CONTROLLER I DIDNT HAVE THAT MUCH TRAINING IN CONTROLLER PROGRAMMING, SO I NEED CONTROLLER PROGRAMING TRAINING MATERIAL FOR NRK SERIES CONTROLLER IF ANY ONE HAVING IT PLZ SEND TO MY MAIL ID arulprakash.m@gmail.com