Answer / s. kanniyappan

The Main problem occurs in DCS/PLC hardware are

1) Channel failure
2) I/O cord failure

Answer / rajendra shaha

1)channel failure
2)i/o card fail
3)AI AO channel weak
$)processor card problem
5)bus coupler card problem
6)bulk power supply(BPS)fail
7)DSSR FAIL
8)COMMUNICATION FAIL

what is modbus,profibus,fieldbus

2 Answers  

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What is the differerence between hysterisis and linearity.

0 Answers   CCIE,

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what is actual difference between pressure Transducer & Pressure Transmitter.

5 Answers  

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what is SIL 1 2 3

0 Answers   KOC,

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Consider a level troll. i am getting a correct value in 4mA and 20mA. the value in the middle(30 to 60%)is disturbed and i am not getting the appropriate value. what is the solution to normalize the level and to get the correct value..

2 Answers   KNPC,

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1. Pl. send details about different types Gas Analyser, like Co2, O2, SOX/NOX, etc. with calibration procedure. 2. How to calibrate H2S gas detector in field?

1 Answers   HPCL, Napesco,

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how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 Answers  

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Is there any interfacing sofware to build communication between a PC and ER300P model L&T make trivector meter via RS485 port which is available in the meter and is there any data acquisition card available to store the acquired data from the meter into the system

12 Answers  

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how can we calibrate RADAR LEVEL transmitter 0% to 100%

3 Answers   Chevron Phillips, Honeywell,

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why we connect digital multimeter in series for dc current measurement and parallel for dc voltage measurement.

4 Answers  

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what is the process to make control schematic ?

0 Answers  

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kindly tell where orifice,nozzle,air foil,ventury used in flow measurement?

1 Answers  

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