Morning
I spent most of the morning finishing up changes to the theory of operation document. I redrew the state diagram based off a conversation with Tony about how to handle insert changes. It ended up being the same state diagram, but the pumping state now has a little aside for changing out the gun. I also added a way to go from backfill to shutdown. I got everything squared away and printed out a new copy of the doc.
Afternoon
I went down to the shop and picked up the laptop. It wasn't too bad getting started in RS Logix 5000 because I've done 500 and seen enough on EBW 4 to know where some things are. I got the interlocks and state transitions programmed in. Now I need to fill out the workings of the states themselves. No plans for testing yet.
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