Programmable controller with radio frequency wireless interface

Programmable controller with radio frequency wireless interface

  • CN 100,367,138 C
  • Filed: 09/06/2002
  • Issued: 02/06/2008
  • Est. Priority Date: 09/07/2001
  • Status: Active Grant
First Claim
Patent Images

1. programmable logic controller (PLC) comprises:

  • A shell;

    First circuit board in this programmable logic controller (PLC) shell, this first circuit board comprises the circuit that is used for the implementation controller function;

    AndOne first radio-frequency (RF) identification chip device, be installed on first circuit board and be connected to circuit on this first circuit board, this first chip apparatus is used to be provided at the radio communication between the module of first circuit board being included in the programmable logic controller (PLC) and at least one second circuit board and long-range placement, wherein, make first chip apparatus be suitable for being operated in the frequency range outside the frequency that programmable logic controller (PLC) is suitable for work and disturb the work of programmable logic controller (PLC) so that prevent radio communication.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×