Answer / s. kanniyappan

The Main problem occurs in DCS/PLC hardware are

1) Channel failure
2) I/O cord failure

Answer / rajendra shaha

1)channel failure
2)i/o card fail
3)AI AO channel weak
$)processor card problem
5)bus coupler card problem
6)bulk power supply(BPS)fail
7)DSSR FAIL
8)COMMUNICATION FAIL

For 150 mtr cable run from DCS panel to transmitter (24 VDC with 4-20 ma output), need cable size. 1.5 sqmm is suitable?

2 Answers   NA,

---

Name and describe at least 4 status indicators, typically found on a PLC

2 Answers  

---

what is the principal of flow transmeter,level trans meter,presser transmeter?

11 Answers   Nestle, Reliance,

---

what is pico fuse? how this different rom othe fuses and how to locate it inside the card?

1 Answers  

---

What are the disadvantages of Human-Machine Interface (HMI)? atleast 3.

1 Answers  

---

how many type of control valve?

10 Answers  

---

How is automatic reference junction compensation carried out in temperature recorders?

0 Answers  

---

I have a LT of 10000mmwc range. can i use this LT in 1000mmwc range of tank?? if yes than what happened???

3 Answers   Nirma,

---

Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?

0 Answers   Qatar Petroleums,

---

what difeerent between HART and BRAIN?

3 Answers  

---

few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters

0 Answers   Monnet,

---

what is commissioning.

2 Answers   Takreer,

---