For a breathing air project I'm working on, I needed two small PLC's to control the air purifiers. I checked with AB about the micro (around $400). It would still have to be programmed in ladder logic. I was hoping to find a small PLC that I could program on my PC in my office using logic...
The compressors I have purchased were rated based at sea level. A compressor used at a higher elevation will have to have a higher rating. In your case (6500ft) you will need a compressor about 25% bigger than the same service at sea level.
