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Providing 24VDC to Field Devices
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Terry Blevins
28 Apr 2014
"discrete output"
DCS
24vdc
Education
Control Design & Commissioning
"three-wire device"
"distributed control system"
Distributed Control Systems (DCS)
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Providing 24VDC to Field Devices
Some field devices such as an inductive proximity switch may be designed as three wire devices that require a 24VDC source of power. In such cases it is possible to tap into the 24 volt bulk power supply in the rack room and run twisted pair to the device. However, to protect against a short … Continue reading »
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