Answer Posted / ashish gupta

There are 3 different modes of a PLC processor.
1. Program mode - In this mode the processor will not
execute the output even if all the inputs are healthy.
2. Run Mode - Normal Operation Mode
3. Remote Run -

I don't know what happens in 3rd mode if anyone knows
please post the answer.

How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

2265

---

flow transmitter formula?

2746

---

why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

2679

---

hi! i want to know about mpse exam.

2220

---

Can anyone send most commonly asked interview question in Oil & Gas industry

2186

---

what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

2125

---

How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1570

---

I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?

2029

---

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

1911

---

1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

2130

---

Why rdt and thermocouple both give different output .and one things more, how to generate  ohm or mili volt  plz mail me merajalam143545@yahoo.com

2742

---

Can anyone convert a 5/2 way or 3/2 way valve into an ISO valve?

871

---

Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

1791

---

please send me the inteview questions in IOCL

2171

---

What is the procedure of calibration of Load cell?

1857

---