Answer / nilam

There are any types of control loops like
feedback,feedforward,Cascade loop etc.

Answer / vivek pandian

FEED BACK
FEED FORWARD
CASCADE
SPLIT RANGE
DUPLEX
RATIO

What is a snubber circuit?

2 Answers  

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if I did short to both AO connections, channel will burn or what? m sure in AI it will damage to channel. But what will happens in AO?

1 Answers  

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Witch type cable use for rtd ,why?

2 Answers   Sugar Factory,

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What is super thermocoupal?

0 Answers   Emco,

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Question on maha cement

0 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 does we do bench calibration of a differential transmitter.

1 Answers  

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Regarding , there is an air cooler which control the fans(50% of AV FANS) by temperature in outlet , and the louver of Air cooler is controlled by HIC from control system , So if on Air cooler we will consider 2 individual I/P converter or positioner?

0 Answers   Chagalesh Consulting Engineers,

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 why Fahrenheit unit of moistur analyzer transmitter

0 Answers   Infosys, Samsung,

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Hi friends, from Aug 4th onwards iam getting spikes for analog inputs in our DCS for a period of 800ms. I throughly checked every thing, finally i found that the DI, DO's from MCC panels shields are terminated in the Signal Earth where Analog Input signals shields are terminated. Is there any problem with this type of termination?. i checked the induction voltage from MCC and getting around 25VAC, please suggest me in this concern. Our plant is 8months old only. DCS is Siemens Make Simatic PCS7, and the transmitters are Yokogawa make.

1 Answers  

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What is the main difference between the terms instrumentation and Automation?

5 Answers  

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for oil & gas industries which zone is normally preferred? why? give its example?

0 Answers  

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