If you SOURCE your outputs from a PLC, would you have to make the output HIGH, or LOW, in order to switch an output ON?

1 Answers  

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What is seeback effect?

3 Answers  

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how many pulses are required by a ac induction servo motor of 4 poles with 50 Hz frequency to rotate by 1 degree?

0 Answers   United Phosphorus,

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Can all intrinsic safe transmitters are provided with inbuilt zener barriers? why

2 Answers  

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1 Answers  

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what is difference between OP AMP and differential amplifier?

5 Answers   TCS,

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How we select the range of level transmitter in closed vessel ?

4 Answers   Rosemount,

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sir ,iam in dem urgent need of HPCL Paper of Instrumentation Branch plz send me at your earliest convenience at ujjwal_sharma1983@yahoo.com

0 Answers   ONGC,

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where uses EXe /EXd/Exo/Exn/Exp/Exq/EXia

0 Answers  

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How to calibrate H2s Dectector

0 Answers   KOC,

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What is the working principle of the magnetic meter?

0 Answers  

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Can I calibrate the Electromagnetic Flow Meter on line and How.

0 Answers   SEWA,

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