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Subject: HELP!!!!problem with connecting a motor to 4-20mA loop
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Date: 02/13/01 at 10:58 AM
Posted by: Damien M.
I'm currently using a PLC to power a motorized flow control valve.
The PLC outputs a 4-20mA current value. The valve itself is designed to operate with a
4-20mA input. The problem i'm getting is that when i hook up the PLC to the motor and i
send an input current the motor moves slightly and then stops as if it is straining what could be the problem
and what could be a possible solution.
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