Answer / asad

Sourcing mean we are giving +ve from the field and -ve is common through PLC and sinking mean we are giving -ve from the field and +ve is common through PLC

Answer / madhuridalvi

When supply is is given to the bulb or any device through
the switch button (toggle switch), at that time switch is
the sourcing and the bulb is the sinking.
In PLC input card is sinking and output card is sourcing

Answer / nani

sinking means 0 volts to common
sourcing means 24 volts to common

Answer / nani babu

sinking means 0 volts to relay common
sorcing means 24 volts to relay common

model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

0 Answers   Jindal,

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How to convert ma to mv? Resistance 250 ohm is connected in series or Parallel?

3 Answers   ISRO,

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what is working principle of presure and temperature guage?

4 Answers  

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Which types of quections asked in interview for FORMULATION PLANT (PHARMA)

0 Answers  

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what is sliding spool valves?

0 Answers  

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2 Answers  

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components of control circuit belongs to control valve

0 Answers   KOC,

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1 Answers  

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What is wet leg condition and why is it used?

0 Answers  

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Valve positioner and actuators in detail.

0 Answers   MIEPL,

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What is the cascade control

0 Answers  

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1 Answers   CGL,

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