Answer / ejazmaqsood

because the ma will not drop during any resistance of the wire. voltage can be drop. regarding the 4 ma its live zero mean running condition. we cannot the confirm that our instrument live or not.

what is diffrence between analog card and digital card in plc.how analog card work,Please explain in detail.Please send it on abhi_vyas@sify.com

6 Answers  

---

Any body have know try work calculation ???

0 Answers  

---

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

0 Answers  

---

What is pre-commissioning and commissioning ?

1 Answers   Armco,

---

what is mean by loop checking?

8 Answers  

---

what are the inputs (drawings) we need to prepare loop schematics??

1 Answers  

---

How ejector(or)evactor air pump is working in thermal power plant?

0 Answers  

---

How to calculate the Range of level transmitter ?

1 Answers   CPCL, Sejong, SSPL,

---

What is the meaning of Feedback? How many types it is? Explain it?

2 Answers   Bharathi Cement,

---

What is the function of a diaphagram

5 Answers  

---

warning lamp does not light, but it does light when the wire from the lamp going to the sending unit is grounded (the part that plugs into the sending unit) what does this indicate)?

1 Answers  

---

where proximity sensor installed on tank in loading arm application

0 Answers   Kalpena Industries,

---