Plant control system

Plant control system

  • CN 101,313,261 A
  • Filed: 11/21/2006
  • Published: 11/26/2008
  • Est. Priority Date: 11/25/2005
  • Status: Active Application
First Claim
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1. plant control system, it comprises:

  • At least one opertaing device;

    AndAn engineering equipment, it is in order to changing the safe condition of described opertaing device,Wherein, described opertaing device comprises;

    The safety management parts, its level of security change request in order to accept to download from described engineering equipment, and, change the level of security of described opertaing device with reference to the password that keeps by described opertaing device;

    AndChange the permission parts, it is in order to permit the change of the level of security that is undertaken by described safety management parts.

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