Answer Posted / rajesh

analog input output is nothing but pressure guages , analog
meters etc

digital output is 4 - 20 mA of signal , digital multimeters
etc

analog input output can be recognized by sensors

while signal cond devices will convert analog and digital is
measured

What is the difference between PLC and DDC?

2131

---

what is temperature compensation?

5374

---

In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.

1917

---

Conversions

2101

---

What are the application of bernoulli’s theorem?

1110

---

where cascade loop use ?

1658

---

Actual using of tube bender to bend 2 opposite 90 deg at correct measurement center to center of tubing.

1865

---

how can use ram

1966

---

What is difference between “Fault Tolerant” & “Fault avoidance” PLC? Application where these system s are used?

3894

---

which type inter lock use in petrochemical refinery,and oil & gas?

2985

---

please send the sample qustion paper for iocl written test ..

3681

---

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.

1756

---

Any body have know try work calculation ???

1393

---

What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

1943

---

How to work togather like sov,limit switch,proxy switch and booster in xv

4183

---