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Automation device

  • US 9,645,556 B2
  • Filed: 11/21/2013
  • Issued: 05/09/2017
  • Est. Priority Date: 11/23/2012
  • Status: Expired due to Fees
First Claim
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1. An automation device comprising:

  • a programmable logic controller having a CPU module and a master module;

    a slave unit having a plurality of slave modules, an interface Module (IM) of the plurality of slave modules of the slave unit being connected to the master module of the programmable logic controller via a bus, each of the plurality of slave modules being parameterizable using a message transmitted to the IM by the master module of the programmable logic controller, the message having a data area for each of the plurality of slave modules for parameterization of each of the plurality of slave modules;

    wherein at least one default parameter data record is stored in at least one slave module of plurality of slave modules;

    wherein a data record index, which is stored in the data area of the message which is provided for the at least one slave module is provided for accessing the at least one default parameter data record; and

    wherein the IM identifies from the data record index whether the message is a parameter message and identifies from slot addresses of the plurality of slave modules which of the plurality of slave modules require access with respect to their parameterization.

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