Answer / tapas

There are various types of inputs a plc has.

*Digital-Binary, Boolean, float.

* Analog- String,double,word.

How to connect another 24 volt dc power supply in circuit when previous power supply has become weak.what is the connection?

2 Answers   Bhole Baba Dairy Industries,

---

I am using 971 Enraf radar level transmitter for LPG tanks ,the tank side indicator gives the error code 999999999FL can any body give me any diagnostic for this issue?

0 Answers  

---

how to calibrate the temprature transmitter MURCREYtype and thermocouple input type.

1 Answers   Shree Cement,

---

Explain about 4 wire instrument concept & tell about its wiring fron sensor in Field to PLC panel.Explain with an example?

3 Answers   IOCL,

---

what is the output of conductivity sensor and PH sensor?

3 Answers  

---

what is working principle of presure and temperature guage?

4 Answers  

---

Punj lloyd is coming in our Jadavpur Universtiy campus for campus placement. Please send me some hints about the writtend exam. My email id is subratafriends@gmail.com

0 Answers   IGL, Punj Lloyd Ltd, Shapoorji Pallonji Group(SPCL),

---

I have a steam flow DP transmitter that has output swinging. Steam valve is in manual.I have good steam pressure. The impulse lines have steam tracing on them. The steam tracing has a hole in it that is blowing raw steam on the high side impulse line only. Could this be causing the swinging?

1 Answers   Honeywell,

---

what is loop1 and loop2 in MTS LT?

0 Answers   SPGC,

---

What are the problems faced while testing HART instruments?

1 Answers   SSC,

---

What is the function of solenoid valve in on/off & shutdown valve and why it is not used in control valve normally?

0 Answers  

---

which instrument is used to study the structure of phloem and xylem tissue?

1 Answers  

---