Hi,
I'd like to know the purpose of MOS (maintenance override
switch). At site, these switches are installed in a
stanchion with the transmitter (connected to ESD). thank
you.
- 3 Answers
- 34478 Views
- Adani, Adani Wilmar, I also Faced
- E-Mail Answers
Answer Posted / seba
MOS is used for enabling /disabling (permision to bypasing
shutdown signal from ESD system.once it enabled you can
overide perticular loop or swtich or function block.
MOS is installed normally on DCS and activating by DCS
operator or concerned engineer for allowing maintenance
technician to perform calibration or replacement of faulty
switches and transmitters.
sebalukose@gmail.com
| Is This Answer Correct ? | 20 Yes | 2 No |
Post New Answer View All Answers
Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?
Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.
Full form of KKS when use DCS.
What is instrumentation technologists and mechanics?
selection criteria of control valve? and selection criteria of actuator explain in brief?
What is zener diode? What is voltage regulator?
How to calibrate the flow transmitter
What is difference between Ionization heat and bimetallic heat
How many types of sensor
Make Heater Process Logic.
What is the meaning of wet leg
plz you help about Que paper of mahagenco previous your,any model paper relad to it{maharastra power genration}
What is Span Error
sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com
Why mmwc unit is used?
