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Thread: HWL C300 redundant ao iop switchover

  1. #1

    HWL C300 redundant ao iop switchover

    Did anybody experienced issues during iop switchovers? I've recently experienced issues in two different modules
    - during a maintenance procedure (for instance a terminal opening prior to valve removal) iop have performed a switchover (normal hwl iop procedure which may last 10ms). Most of the positioners (other iop channels) had reboot resulting in valves moving to the safe position.

    I do apreciate some feedback. Of course ive already contacted hwl.

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  3. #2

    Re: HWL C300 redundant ao iop switchover

    Dear members
    Would you please send me the standard ISA 105 to my email
    achour_dp@yahoo.fr
    Thanks in advance

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