in plc source and sink meaning?

1 Answers   CGL,

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why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   GE, Honeywell, LLM,

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Q- In the process of checking AC through Phase Tester our body is the part of circuit but we don't recevie Shock, Why ?

2 Answers  

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why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.

0 Answers  

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When a timer is placed in RS Logix 5000 with preset value less than its scan time it is malfunctioning. i.e., if the preset is set to 30ms still the timer TT bit is counting till 150ms(its scan time). Any solution for the problem?

2 Answers   Balco,

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On drum level, why we are using air to close Control valve?

4 Answers   L&T,

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what is difference between PLC and DCS?

10 Answers  

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types of cable..? Use of every types of cable..?

0 Answers   Hindustan Zinc,

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What are different type of instrument cable

0 Answers   KOC,

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whether radar level transmitter is applicable for the open tank

1 Answers   TCL,

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principle of dead weight tester ?

0 Answers  

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Explain why plc require in analog input 4-20amp & 0-10 volt?

0 Answers  

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