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

what is diff b/w neutron and ground?

3 Answers  

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When LP SURGE happening in compressor

3 Answers   KNPC, KOC,

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1 Answers   BSP,

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1 Answers  

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4 Answers  

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2 Answers  

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I HAVE GOT TYPICAL PROBLEM WITH THE TEMP.INDICATION. THE PROBLEM IS THE K-TYPE T/COUPLE OUT PUT IS CONNECTED TO A INDICATOR.THE INDICATION FLUCTUATES SOME TIMES AND SOME TIME IT IS STABLE. WHEN I CHECKED OUT PUT OF T/COUPLE THE MV WILL NOT VARY. WHERE AS INDICATION FLUCTUATES. WHEN I GIVE MV SOURCE TO T/COUPLE EXTENSIONCABLE FROM THE FIELD IT INDICATION IS STABLE. WHEN GIVE MV SORCE TO INDICATOR ITS INDICATION IS STABLE. PLEASE CLARIFY.

5 Answers  

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5 Answers  

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