we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

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why ultra sonic level transmitter is installed in 90 degree?

2 Answers   ME,

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How servomotor controls throttle valve of TURBINE?

0 Answers  

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Can anyone help me with the Question bank(objective type) for complete Instrumentation engineering,either a soft copy or a Hard copy(Book),or the name of the author ,or publisher.

1 Answers   Reliance,

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What is cavitation. what is the effect of it on control valve and how is it prevented.

1 Answers   ADMA OPCO,

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what will be the output of the temparature transmitter if temp is 120 degre celcius.

1 Answers   Base Automation, NTPC, PDO,

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Describe all types and levels (4-20mA, 0-10V, mV, pulse, etc.)of analog and digital I/O used in process control application.

2 Answers   Jindal,

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Can we use twisted pair cable instead of ethernet for communication?

1 Answers   Yokogawa,

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WE Know that different supply voltage of solenoid valve like 24,110,220 etc..how we check the solenoid supply is 24v or 220 NOTE: No specification at device.

2 Answers   OMV,

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What is the relationship between Sensor

6 Answers  

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hii my name is sujith...i am preparing for HPVL GET 2010... so ,,,pls help me by send any previous questions or material to my site.....(Msujith_12@in.com) thank q

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The process variables that need to monitored and controlled are ________, ________, _________ and

1 Answers  

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