what is the difference between Digital output DO signals /Commands for start/

what is the difference between Digital output DO signals /Commands for
start/stop and Solenoid valves ??

Question Posted / goldengineer14

what is the difference between Digital output DO signals /Commands for start/stop and Solenoid v..

Answer / guest

DIGITAL OUTPUTS SIGMALS MEANS NO OR NC CONTACTS & DO COMMANDS
MEANS CONTACT CHANGE OVER ALONG WITH VOLTAGE 24 V DC 0R 230 V
AC

Is This Answer Correct ?

1 Yes

0 No

More Instrumentation Interview Questions

what is compensation? temprature & pressure

hye SAM acn u send your e mail id, so that i can solve my query through e mail?

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?

please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

Explain bernoulli’s theorem.

what is the working principal of pribe

What are the interlocks we have to check during the start up of LP/HP compressor?

What is the working principle of Bentley Nevada 3300

What is smart positionar

Identification of ss fittings, pilot valves, relief valve.

how many types of orifice plates?and explain about it?

how to calibrate temprature switch and flow switch ?

For more Instrumentation Interview Questions Click Here