Answer / vikash shukla

safety barriers are device which are used to lower the electrical energy when transmitting signal from hazardous area so that combustion and other accidents can be avoided.

Answer / raja2016

safety barriers simply neglecting the spike voltages from the field that affecting the electronic I/O cards in the PLC system by fuse blow down in it
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how the actually positioner of control valve working? where we gave 3-15psi pressure to I/P converter where it is firstly applied ?- on I/P to positioner then what happen? is control valve operate on 3-15 psi or its bench pressure?

2 Answers  

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if drum level is low what is interlock? i mean we put interlock to fd fan or id fan ?

4 Answers  

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whey we conect ammeter in series and voltmeter in parallel in circuit

1 Answers  

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i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

0 Answers   OEG,

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what happens if we are having very very high cavity and flashing in a control valve..??? is it stops working...immediately... or eroded...slowly

2 Answers  

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How can a d.p. Transmitter be calibrated?

0 Answers  

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Reason for capillary type dp level transmitter fluctuation

0 Answers   BMB, Enppi,

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draw a loop drawing of vibration beginning to end

1 Answers  

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Yokogawa dcs normally where will change 4-20 MA to DC voltage( node or I/o cards?)

1 Answers  

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Can anyone explain about ELectropneumatics principle?

1 Answers   Forbes Marshall, Step,

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What Is Pre- Commissioning Package +what is DCS & ESD Pre- Commissioning for Instruments Please explain your answer on practical ground base

0 Answers  

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what is thermocouple output

7 Answers   IPCL,

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