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Use of DeltaV PK Controllers and Siemens PLC

Hi Everyone,

I'm trying to wrap my head around the PK controller for use at a facility.  Ideally we are trying to eliminate the use of profinet couplers and VIM2 cards and talk directly to equipment.  I know the PK controller is capable of Ethernet/IP communications to devices and I believe Rockwell PLCs.

Has there been any installations or examples of using it to talk to Siemens PLC skids?  For example, getting handshaking between DeltaV and a Filling Line or lyopholizer without the use of a VIM2 card?  Also, is the PK controller capable of native OPC UA communications, or will I require an EIOC as well?

We are attempting to simplify our installation hardware and keep engineering costs lower.  With OPC, Ethernet/IP, profibus, and profinet communication protocols to bring in, I'm wondering if the PK controller is the most viable option to simplify or if we should stick with standard SX controllers and use appropriate hardware to make the connections (OPC servers, profinet couplers with VIM2).  I'm aware that for profibus either way we need the profibus cards to communicate to that equipment.

Note: we will be using DeltaV version 14.3.1.  This is a greenfield installation, so getting the basis of design correct is key, and I have all options available to me at the moment.

Christiana Spencer

Christiana Spencer
  • Andre Dicaire
    I would recommend the PK controller.

    Anything the SX can do the PK can do better...

    when comes to integrating, CPU will play a huge role and the PK sets you up for success.

    You can add a VIM to the PK, you can't add PK to an SX. (you can replace the SX later for added expense)

    the PK currently supports OPCUA server, and cannot read from OPC servers. The EIOC is an OPCUA client for integrating data into DeltaV.

    The PK is the newest controller family with significant CPU and integration capabilities. A PK750 is 10% higher cost than SX, but will handle 750 IO with full featured library like PCSD. An SX with PCSD is limited to anywhere from 400 to 800 IO, due to CPU.

    With EthernetIO in use, PK 750 is actually lower cost than SX with VIM.

    Then there is future enhancement. The PK is poised to evolve, while the SX is not.

    Since v14.3.1 brings all three controller families to the same OS and same functionality. PK ethernet IO are natively configure.

    over all, PK controllers can reduce controller costs by 20 to 40 %, because you need fewer controllers.

    Andre Dicaire

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