So I’ve made pretty good progress on our system design which utilizes 24 Tic controllers. The control commands are via Serial, the commands are issued from a Raspberry Pi.
Here is the crux of my current dilemma: I need to power the Tic controllers down, then power them back up and have their current position restored (the RasPi can send this information to the Tic controller) I also need to clear the position uncertain flag. I don’t seem to see a command that allows this, so the problem I have is a power off-on cycle results in all 24 axes having to home and reposition to their location prior to powering off.
Homing all 24 axes will, I estimate, be about a 15 minute process. The frequency with how often the power cycling will occur is potentially every 5 to 10 minutes, so this will be a serious delay.
The units will be operating in a high radiation (X-ray) environment which is very bad for electronics when they are powered up. Therefore we plan to power them down when the X-rays are on.