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Differential vs. Single Ended AIs
Hey guys, I've been wracking my brain over this for a while now and I'm having a heck of a time trying to identify when to use differential wiring vs. single ended. Basically all our control loops are set as 4-20mA and usually go into a single ended ai card. However, for whatever reason the...- timebone
- Thread
- Replies: 4
- Forum: Programmable logic controllers (PLC)
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Startup Bypass Loop - Follow up
Hey guys, So I just wanted to post a follow up to the thread I made a few days ago. So it turns out, the design was incorrect: the pump discharge valves were supposed to open and then you would start the pump with the bypass loop open. So thanks for the help with that. My follow up for this...- timebone
- Thread
- Replies: 10
- Forum: Pump engineering
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Startup Bypass Loop
So, I've been having an incredibly difficult time getting a solid answer on this. I'm a pretty inexperienced EE so pumps are not really my specialty. I'm a bit confused about the purpose of a start up bypass loop. These are centrifugal pumps that start against a closed discharge valve to...- timebone
- Thread
- Replies: 7
- Forum: Pump engineering
