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Recent content by type2jim

  1. type2jim

    Surge arrester failure

    We have had a failure of a 22yr old porcelain ZnO surge arrester on a 66kV 10/12.5MVA DYN11 transformer fed from an OHL. Last inspection showed no evidence of any issues. We do not have a spare and the suppliers come in at a 6-8 week lead time. The other two arresters appear to be ok. This unit...
  2. type2jim

    two 4-20ma loop sources isolation

    Hi, I want to transmit a 4-20ma valve position to a control system. However the CPT in the actuator supplies power to the loop and the control system I/O also supplies the loop. Neither can be changed without considerable expense. Is there any way of isolating the two loops or any opto isolators...
  3. type2jim

    Paradigm babel box

    After a bit of research i managed to find MMI solutions who still have some stock of these converters WWW.mmi-solutions.co.uk when i approached Redlion they stated they don't support these converters and passed me onto someone else.
  4. type2jim

    Paradigm babel box

    Hi, we have a paradigm babel box to convert between an NFC Instromet computer and a Metso (Valmet) DCS. We appear to have lost the settings and have no manuals on the device. It now appears to be obsolete. Does anyone know of any information or companies providing service for these devices or...

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