Answer Posted / jigaranadkat

Because it has PNP transistor inside which requires base
bias of negative (-ve) supply.

What is the difference between modbus,fieldbus & profibus

2432

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how does we calibrate a square root flow transmitter ,give an example and explain it step by step like range calculation , calibration hook up series connection , zero check , and how to apply pressure , and if not geting proportional output then what should we do ?

5680

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I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1989

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How earthing can be checked????

2415

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what are the selections available in configuring a burnout protection of a controller? thanks

1974

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Please tell me details about Sox,Nox,SWAS analyser????

3734

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in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

2026

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what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

2172

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what is commisioning procedure,2)what is is the main work in commisioning in the field tx to dcs, plz send me detail

2307

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what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??

4031

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How will you test a transistor with a multimeter?

1108

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How the sizing of the analog signal cable is calculate?

2532

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what is droop in governer ,type of droop ,how it work

2157

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Can anybody tell me how to select the size of earthing cable for DCS & PLC system.Please tell me any relevant answer here or mail it to me.

2205

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anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

6038

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