New Coolant filling system

[RobertELee]

Awesome! One thing to think about programming in is adding a timer so when adding coolant if the float gets stuck it will time out and won't keep running indefinitely. And maybe put a clock on it to only run between certain times. We had an automatic system at a previous place and the float malfunctioned over the weekend when nobody was there.  Came in to start everything up Sunday evening and the entire shop was flooded. And the brand new coolant drum was empty.

[YoDoug]

Awesome! One thing to think about programming in is adding a timer so when adding coolant if the float gets stuck it will time out and won't keep running indefinitely. And maybe put a clock on it to only run between certain times. We had an automatic system at a previous place and the float malfunctioned over the weekend when nobody was there.  Came in to start everything up Sunday evening and the entire shop was flooded. And the brand new coolant drum was empty.

Our plan was to use two ultrasonic level sensors on each machine. A little more cost but it provides redundant safety. Using ultrasonic also gives us nearly infinite levels we can monitor for. We are thinking we will have four levels. A minimum empty level that shuts down the machine, A fill request level, a fill stop level a little below full tank so if the machine running it doesn't over fill, and an overfull level to trigger an email/alarm. We also are planning for a 10 minute max fill time per machine, only one machine filling at a time, and only allowing any specific machine to fill once per hour. That way it should be continually switching between machines essentially doing little top offs, rather than waiting until a machine is getting pretty low.