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level indication with logo

5/17/2009 11:40 PM	Rate (0)
daba Posts: 4 Rating: (0)	Hello, i have one question, is it posible to use siemens logo for level indication, i have 3 water tanks, and each tank have level gauge sensor (vdo type, with resistance 10-180ohma, empty-full). My question is, how to transfer resistance to voltage and have accurate reading. Thanks.
daba Posts: 4 Rating: (0)
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5/18/2009 9:36 AM	Rate (0)
cdrshort Posts: 134 Rating: (16)	try this converter which i use in same cases http://rd.phoenixcon.com/products/interface/db/datasheets/MINI_MCR-SL-R-UIds.pdf
cdrshort Posts: 134 Rating: (16)
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5/31/2009 10:15 AM	Rate (0)
daba Posts: 4 Rating: (0)	Thanks, but this converter is very expensive, so I will try this: I will put resistor 6,8Kohm in serial to drop voltage (logo working voltage is 24V DC), and with trimer 5kohm regulate voltage, then I will have the range of voltage from 0 -10V, which is match the level of the tank( 0-100%).
daba Posts: 4 Rating: (0)
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6/16/2009 7:45 AM	Rate (0)
dimnikar Posts: 9 Rating: (0)	did you try?
dimnikar Posts: 9 Rating: (0)
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3/2/2015 10:11 AM	Rate (0)
Min_Moderator Posts: 4758 Rating: (122)	New question published by very small potato is split to a separate thread with the subject Analog Ramp and Counter as a level indicator. Best regards Min_Moderator
Min_Moderator Posts: 4758 Rating: (122)
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