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JrEngineer
JrEngineer • Jul 20, 2017

I/O type for MOV and VFD in Instrument Index

Attached are the typicals for the MOV and VFD. Is the I/O type correct? Is that enough information for the Control system vendor or do I have to include anymore?
MOV
Tag Number Loop Instrument Type I/O type System

MOV-001 M-001 Motor Operated Valve - -
HS-001 M-001 MOV Local/Off/Remote DI SIS
ZA-001 M-001 MOV Battery low alarm DI PCS
ZSC-001 M-001 MOV Limit switch close DI SIS
ZSO-001 M-001 MOV Limit switch open DI SIS
HSX-001 M-001 MOV Local Handswitch - -

VFD
Tag Number Loop Instrument Type I/O type

HS-001 V-001 HOA Switch DI
XC-001 V-001 Pump Start DO
XS-001 V-001 Pump Run Status DI
XY-001 V-001 Permissive DI
What is the I/O for Accelerometer?
javeriaengg
javeriaengg • Sep 15, 2017
There is no battery in MOV's. No's of I/O's depend upon how do you want to use to configure the MOV, if you want it as on/off valve then below I/O's shall be added

Typical Control I/O's

HS-001 M-001 MOV Local/Off/Remote DI PCS
ZA-001 M-001 MOV Fault alarm DI SIS
ZSC-001 M-001 MOV Open command DO PCS
ZSO-001 M-001 MOV Close command DI SIS
HSX-001 M-001 MOV Trip DO SIS
ZAC-001 M-001 MOV CLosed DI PCS
ZAO-001 M-001 MOV Opened DI PCS



Typical VFD
SC-001 V-001 Speed Control from PCS (AO PCS)
SO-001 V-001 Speed Feedback from VFD (AI PCS)
IT-001 V-001 Current Feedback (AI PCS)

What is the I/O for Accelerometer?
it is Analog INput to MMS

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