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  • I/O type for MOV and VFD in Instrument Index

    JrEngineer

    JrEngineer

    @jrengineer-s87Srn
    Updated: Jul 20, 2017
    Views: 1.4K
    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?
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  • javeriaengg

    Member • 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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