I agree with you that it sounds like this could be the issue, however there have been no parameter adjustments made to anything in the system. So then I ask myself the question, If it ramped down just fine before all of this, why would that change now? The only things that have changed is...
Hey guys i'm back, things got really busy here and I have had no time to work on this in the past few months, but I am back at working on this.
I was completely wrong in my previous messages. I was told by my boss that the machine uses dynamic braking. This used to be true when the machine was...
edison123 I do believe the shunt winding is short circuited through the braking circuit. This page in the electrical manual may bring some clarity as to how it is switching.
Our foreman who was operating the controls said that it seemed to brake at the same rate as normal. It wasn't an instantaneous immediate halt, but it was not coasting. It is about a 1-2 second brake time interval
First, let me give as much background information as possible. Brace yourselves, this will be a semi lengthy explanation.
Here at work, we have a Skoda horizonal boring mill. The drive system was designed and installed in 1980, so it is dated, but we haven't had a need for a controls upgrade...
