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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.
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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
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