What is the difference between dry contact and wet contact?
Answer Posted / jith
dry contact is the one which doesnot have internal soure of
energy
| Is This Answer Correct ? | 9 Yes | 3 No |
Post New Answer View All Answers
I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?
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.
What is the use of control cable?
Explain types of valves?
What is Span Error
Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;
What is Droop? What is Step/Gradient Limiter in Turbine Governor control?
What is the diffrence between ff tx and non ff tx
what is maxdna ?. explain about the software details.
Where are oxygen analysers installed in cfbc boilers? What are their usual readings?
Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...
Difference between ultra sonic flow meter
Why is the orifice tab provided?
why is an oxygen sensor used in a boiler stack
1.can you use SCADA instead of DCS,DCS instead SCADA 2.Difference between DCS and PLC,can their role be reversed i.e. role interchange 3.Difference between RTU and PLC