Answer / er. kumar kamble

[1]it is microprocessor based controller with multiple



-digital i/o,-analog i/o,-timer,-counters,-memory flags,-data registers
arithmetical formulas....etc.[2]basic function is control critical electrical circuit very easy with less electrical wiring[3]PLC used in all type of automatic equipment,eg.Robotics[4]ladder diagram is one language to create programme in PLC.[5]reduce rejection in production,accuracy in products,less maintenance,less man power,easy maintanance.

Answer / ajay

PLC is the industrial computer control system that continuously monitors the input devices and makes decision base upon the custom program to control the output devices.

Ladder logic is the one type of languages which in plc's are using, In ladder logic we can make the program with combinations of inputs & outputs.

Its advantages is ,
-Improve the manufacture of products
-Total control in manufacturing
-Makes it easy to work with in Difficulty & hazardous environment.
-More reliable
-Improve quality of the products
-Save labor & energy.

Answer / suhel zaidi

PLCs are highly reliable, easily programmable,  Small and Inexpensive, PLCs can be designed with the communication capabilities so they can converse with the local or remote computer, They can sustain in robust environment  less maintenance.

Answer / abhinav

Plc is a industrial computer which is take instruction by programming and control the industrial machine

Answer / bharath

it is used in car parking appartment.
when the sensor is fixed at perticular place,then the car
parks that place then the sensor connection should be
disable.it is used to known, how many cars parks per day.
so in this method is used in car parking appartmen.

What is the working principle of oxygen analyzers(zirconium oxide type) used in CFBC boilers?

3 Answers   Bajaj, Kohinoor, Wartsila,

---

what is difference between Floating D.C.Voltage and Fixed D.C.Voltage?

2 Answers  

---

Why Flow measurement has to use Square Root

5 Answers   Hindalco, Petronas,

---

what is maximum vaccume?

4 Answers  

---

which transister (npn or pnp) is used in vibration monitoring for negative voltage? 

2 Answers  

---

---

why OPC server is used in DCS?

2 Answers  

---

what is Dry Leg calibration and where is it used

1 Answers   Petrofac,

---

why the steam drum and deaerator level transmitter range is in negative MMWC to zero

3 Answers   Emerson, Jindal, JKPM,

---

hi vishok this is noor plz tell me what type problems will occured i use T/C in the place of RTD in (FEED WATER TANK),plz send ur e-mail address to my ID (mail2noor.hyd@gmail.com)

6 Answers  

---

Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

0 Answers   Yokogawa,

---

i have 80cm water tank.how can i use DPT as level mesurment.pls give specs for that..? We have air comp.from that moisture comeout to one tank.i want to mesure level of water in that tank and then after operat one sov to dicharge water after high level.

1 Answers  

---

What are the characteristics of Control Valve

2 Answers   Ispat,

---