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Greetings, I need to build a DC
Hi Again, Thanks for all the input and suggestions. I tried using 2 different relays. One a solid state and the other a mechanical reed style. Due to the current limiting in the sensor, there was not enough current to activate the solid state relay. The mechanical relay seemed to work but it...- jwilday
- Post #8
- Forum: Circuit design
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Greetings, I need to build a DC
IRstuff, The PLC analog input cards are currently full. It would cost too much to buy a card with more points on it. I have about 300 machines to modify so any cost is multipied by 300. My time/labor cost is cheap so if I could come up with a solution for $10-$15 worth of componants I would be...- jwilday
- Post #3
- Forum: Circuit design
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Greetings, I need to build a DC
Greetings, I need to build a DC voltage sensor to detect if a field device is powered or not. The field device is an optical sensor that runs on 24VDC. The emitter side pulls 10mA and the receiver side pulls 15mA. The problem arises when operators remove a small shuttle with the sensor attached...- jwilday
- Thread
- Replies: 7
- Forum: Circuit design
