Returns the device identification of a Modbus slave. Device identification consists of data elements called objects. Each object has an identification number and stores Modbus slave information.


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Inputs/Outputs

  • cModbus_Slavelvclass.png Modbus slave in —

    Modbus slave in specifies the reference to the Modbus slave instance. Use the Create Slave Instance VI to create a Modbus slave instance.

  • cenum.png device ID category —

    device ID category specifies the category of objects you want this VI to return.

  • cu8.png object ID —

    object ID specifies the identification number of the object. When you specify Specific for device ID category, you must specify a value for object ID. The default ID is 0. When you specify other values for device ID category, this VI ignores the value of object ID.

  • cerrcodeclst.png error in (no error) —

    error in describes error conditions that occur before this node runs. This input provides standard error in functionality.

  • iModbus_Slavelvclass.png Modbus slave out —

    Modbus slave out returns a duplicate of Modbus slave in.

  • i1dcclst.png objects —

    objects returns the Modbus slave information that the objects store.

  • iu8.png object ID —

    object ID returns the identification number of the object.

  • istr.png value —

    value returns the Modbus slave information the object stores.

  • ierrcodeclst.png error out —

    error out contains error information. This output provides standard error out functionality.