Reference Modules

Reference Modules
  • Makes AMCI resolver modules compatible with resolvers that have transformation ratios of 0.45, 0.5, or 1.4
  • Allows AMCI resolvers to work with the resolver modules of other manufactures
  • Wires into the cable
  • A 6-32 mounting stud makes it easy to install the Reference Module on an enclosure wall or mounting panel
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    RM-(X) user manual

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    Description

    Reference Modules

    AMCI's RM-(X) reference modules enable compatibility between AMCI resolver interface modules and 3rd party resolvers. 

    Resolvers are basically rotary transformers, and depending on how they are made, different resolvers will have different electrical characteristics.  AMCI resolver modules are designed to work with AMCI resolvers that have a transformation ratio of 0.95.  Other common transformation ratios are 0.45, 0.5, and 1.4.   AMCI has developed a line of Reference Modules, RM, to accommodate customers who are upgrading their control systems while keeping their existing resolvers in place.  These RM modules are toroid transformers that wire into the resolver cable, and adjust the reference voltage signal so that the resolver will appear to the resolver module to have the expected transformation ratio.   It is also possible to wire the RM modules so that you can use an AMCI resolver to replace an existing resolver while keeping your control system in place. 

    Available Versions

    RM-(X):
    Price | $279/ea

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    Consult the factory for availability

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    Specifications

    Part Number3rd Party Resolver/Controller Transformation Ratio
    RM-10.5 transformation ratio
    RM-31.4 transformation ratio
    RM-50.45 transformation ratio


    Wiring Diagrams

    AMCI Controller to 3rd Party Resolver

    AMCI Controller to 3rd Party Resolver

    The above diagram shows how to wire the RM-(X) reference module so that an AMCI controller will work with a 3rd party resolver.  Connect all of the remaining resolver signals, S1, S2, S3, and S4, directly to the corresponding pin on the controller.    

    AMCI Resolver to 3rd Party Controller

    AMCI Resolver to 3rd Party Controller

    The above diagram shows how to wire the RM-(X) reference module so that an AMCI resolver will work with a 3rd party controller. Connect all of the remaining resolver signals, S1, S2, S3, and S4, directly to the corresponding pin on the controller.    

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