I have been assigned the task of hooking up Andon lights on several machines and departments. I need to have two strobes one for maintenance and one for inspector. I am considering using a plc to track there state potentially so the system could be monitored at a central location. What is the...
We have several drilling machines that utilize .5 and .75 hp motors running drill heads. After some time we get a stall condition. Our maintenance people pull the motor and say it is smoked and needs to be rewound. We send the motor to our local rebuilder. He puts it on his Hipot tester and...
Hello, I am using a ABB contactor as a Master Control Relay. We wired the unit the same as others we have done but the coil overheated and kicked out the contactor after about 2 mins. I replaced the coil and checked the draw of the coil at 4 amps. Does this seem excessive? I can not find any...
I have AB Ultra 3000 used as a spindle drive on a drill head. After some sort of machine fault the Spindle is suppose to stop but currently spins around 2-3 RPM. Could this be caused by a tuning error or what else should I be looking at. I have seen simular problems before but the drive...
I have a Allen Bradley Ultra 5000 controlling the motion of a drill head. After a year of intermittent use the drive started to display a E 19 Error code. Which is Excess Position Error. To correct this the book says increase feed forward gain. Since this application has been running for...
I am familur with Ladder logic but do not have much experience with sequencers. Does any body know of a good book that explains how they work? Or sources for any simular info.
