Answer / fazil

DCS- distributed control system. widely used in large scale
industry. a system which control instruments for desired
process variables
ABB- is a multinational corporation headquartered in Zurich,
Switzerland, operating in robotics and mainly in the power
and automation technology areas

google it for definition, inquire here for more advance

Answer / ayaz

DCS is distibution control system to monitor and measuring .
and ABB is manufacturer company this is largest one of them.
ABB is company name like yakogawa etc...

can we change the range of 3151 model level transmitter of rosemount make? present calibration range is 1000mmwc and want to change it to 2000mmwc

4 Answers  

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full process of gas turbin?

0 Answers  

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radial & axial vibration sensor output voltage is ac or dc volt?

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What should be hight of CONTROL panel for access & OPERATION What is BIS & INDIAN STD for SAME?

3 Answers  

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1. How many output signals do wew have in process control? 2. Could you write down the names of the pre-commissioning and commissioning stage test instruments and explain them (more than 5 items)? 3. What is the first step to commission a transmitter on service? 4. What is RTD? 5. Find the output value in MA of a temperature transmitter (RTD Type) at 120degree celius? 6. What is the O/P signal of a pneumatic transmitter? 7. What is the O/P signal of an elctronic transmitter? 8. What is the close loop and open loon?

4 Answers  

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capillary type tranmitter using remote seals and capillary tubes filled with liquid of known of known density so if you wanna callibrate it just close block valve just before capilary @ high side & connect druck apply it's calibrated range pressure as normal calibration ensure low side block valve must be closed & if you asking commissioning so this is not a DP type pressure tx so simple if you wanna put in servie this tx just open high side block valve & than low side block same way i do it but still transmitter showing -13 ma.just tell me what i want to do ?

1 Answers   Gasco,

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How do you measure g's?

5 Answers   Aramco, GNFC, HPCL, Polmon, Thermax,

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I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.

0 Answers  

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Someone Please tell me what are the Pre-Commissioning activities in a Thermal Power Plant for an instrumentaion Engg.

0 Answers  

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Why in turbine used two critical speed band ?

1 Answers   Ankit Metal Power,

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How to measure the vibration..?

1 Answers   Madhucon,

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How can we calibrate pressure and flow transmitter in the field(online)?

3 Answers   Aramco, Reddy Labs,

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