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what is difference between modbus & fieldbus

1 Answers   ABB,

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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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what is the principal of operatio of dc motor

1 Answers  

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find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

0 Answers  

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what is span value and zero ? and how set ?

0 Answers  

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What is seeback effect?

3 Answers  

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we are used SAMSON 3730 Smart positioner.please tell me how to calibration this.

1 Answers   TCCL,

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what is mass flow meter principal?

4 Answers   GIL,

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what is use single seated and double seated valve?

2 Answers   Doha Petroleum Construction DOPET,

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How digital input and digital output 's are working in dcs

0 Answers   BBV, Indiabulls,

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we callculat main steam flow by D.P. but where is H.P. & L.P. IN Orfics?

3 Answers  

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What is deffrence between Battery and capacitor

3 Answers   Siemens,

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