Posted 29 Sep 2016 please help to control the speed of motor by using vfd powerflex4m.... for this i m change the speed by analog input from ladder logic rslogic for change the speed i m provide analog output to analog input of the VFD powerflex4m Share this post Link to post Share on other sites
Posted 29 Sep 2016 Which PLC processor you are using? There is a difference between RSLogix500, RSLogix5000 and Studio5000. Share this post Link to post Share on other sites
Posted 29 Sep 2016 Pretty sure it is a microLogix 1500. Here is his original post... http://forums.mrplc.com/index.php?/topic/31437-how-to-allen-bradley-plc-rslogix-1500-with-vfd/#comment-147490 1 person likes this Share this post Link to post Share on other sites
Posted 1 Oct 2016 (edited) how to make a ladder logic for speed control of induction motor using VFD powerflex4m i need a program to control (analog module i have ) a speed of a Induction motor by change the frequency ... in the VFD kindly send me a ladder logic diagram on 1500 rslogix AB ,.. i m student in college this is my project work in vacation Edited 1 Oct 2016 by sahilgupta1527 Share this post Link to post Share on other sites