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Discuss PILZ PNOZ X3 - Trying to Unerstand in the Industrial Electrician Talk area at ElectrciansForums.co.uk.

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  1. Kootni
    Offline

    Kootni EF Member

    Location:
    Birmingham
    Business Name:
    ABC
    Dear Members

    Trying to understand the circuit for this unit. I understand that circuit for S31 to S32 and S11 to S12 etc needs to be complete for relay terminal to energise.

    My questions are: 1) What are the Y31 and Y32 and S21, S22,S33, and S34 used for at bottom of the unit?

    2) What is B1 and B2 used for?

    3) How does reset work? ie when reset is pressed, the terminal energises. Where does the wire go for reset on the terminal?
     
  2. plugsandsparks
    Offline

    plugsandsparks Electrician's Arms

    Location:
    Chesterfield
    Its impossible to understand how they work unless you have the internal wiring diagram, i am sure you can google such a diagram. All your questions will be answered. This device is a multi-channel, dual voltage unit, lots of options on how to wire it up, depends on your application really.
     
  3. Kootni
    Offline

    Kootni EF Member

    Location:
    Birmingham
    Business Name:
    ABC
    Thanks for the reply. Here is the wiring diagram.

    0CEE4A9C-CD14-4AD1-88C1-C0A53DFA6686.jpeg
     
  4. SparkyChick
    Offline

    SparkyChick Making a banana smoothy for my fave gorilla Electrician's Arms

    Location:
    South Wales
    Business Name:
    SparkyChick
    From reading literature about the unit (found using a Google search with the terms "PILZ PNOZ X3 datasheet")....

    Y31 and Y32 appear to be a semiconductor output that conducts when the internal relays K1 and K2 are energised.

    B1 and B2 are a DC supply input as an alternative to the AC input on A1, A2

    The rest, you'll need to read the data sheet.
     
    • Like Like x 1
  5. Rob
    Offline

    Rob Trusted Advisor

    Location:
    North west
    The S inputs can be configured in different ways to make the relay operate and reset in different ways.
     
  6. darkwood
    Offline

    darkwood Who's changing my Avatar? Staff Member Trusted Advisor

    Location:
    West Yorkshire
    Safety relays are usually adaptable to provide coverage for differering circumstances and risk category levels, you really need to know your stuff if you are dabbling in this, it's easy to make the relay work in several ways but you may compromise the safety system requirements in altering it in any way, we would need a full risk assessment of the machine it's control system and much more to advise on this, the minute you do anything to an existing setup then you become responsible for the safety of machine, can you satisfy my concerns on asking such a question in the first place, anyone competent to work on or install such systems would not be asking what you asked in the first place.
     
    • Like Like x 1
  7. darkwood
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    darkwood Who's changing my Avatar? Staff Member Trusted Advisor

    Location:
    West Yorkshire
    • Like Like x 1
  8. DAvid Prosser
    Offline

    DAvid Prosser Electrician's Arms

    Location:
    UK
    If it came from RS the data sheet is included with it. It's all shrink wrapped together.
     
  9. Kootni
    Offline

    Kootni EF Member

    Location:
    Birmingham
    Business Name:
    ABC
    Thanks guys. Sorted now.
     
  10. joel89
    Offline

    joel89 Regular EF Member

    Pilz pnoz i use them a lot, just follow the diagram on RS its really easy to follow!
     

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