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Showing content with the highest reputation on 02/28/2012 in all areas

  1. Implementation of Common industrial Protocol (CIP) via EtherNet [EtherNet/IP (CIP)] EtherNet_IP_PCCC Use these set of VIs to communicate with MicroLogix Series PLCs Via EtherNet. These VIs use simple TCP/IP Communication. Communication : Ethernet, TCP/IP Protocol : EtherNet/IP Service :CIP (For Connection Management), CIP Service for PCCC Command : PCCC Tested with : MicroLogix 1100, MicroLogix 1500,1200(with NET-ENI) No OPC Server Required No Automation Server Required No NI-DSC Module Required. Note: These VIs access N7 Integer File. To access other Files in the PLCs, just replace the "Fileno" Constant(0x07) with a Control and make it as a parameter to the SubVI. EtherNet_IP_CIP Use these set of VIs to communicate with CompactLogix, Control Logix Series PLCs, Any Device that supports CIP(EtherNet/IP) These VIs uses simple TCP/IP Communication. Communication : Ethernet, TCP/IP Protocol : EtherNet/IP Service :CIP (For Connection Management, Read, Write) Command : CIP Commands Tested with : Compact Logix Series PLCs No OPC Server Required No Automation Server Required No NI-DSC Module Required. Visit : ODVA Website for EtherNet/IP Protocol Specification
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  2. EMFs are produced by setting up drawing to target an EMF then calling our rendering code. Currently our rendering code is only accessible from the picture control itself. The result is as you have found, the only way to get an EMF from a picture string is to use a control. There is no purely programmatic way to invoke the code required.
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  3. Gentle reminder...please do not discuss the beta on the LAVA forums. We have a private forum at ni.com specifically for that purpose. Discussing it here not only violates that NDA that you signed to get access to the beta but it makes my staff sad. Don't do that to Lisa.
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  4. I assume you are asking about the websocket frame map: This is a map of a typical websocket frame for the RFC6455 websocket specification. The numbers across the top starting at the left are bit numbers. The diagram is a description of the bits in a websocket frame. If you are using websocket RFC6455, the data must be arranged according to this diagram. Follow the link for the whole specification, or go to section 5 for a detailed description of the frame.
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  5. I've been wanting to create Ethernet/IP VIs for some time now, Nice job! I have a ControlLogix 5555 CPU and a 1756-ENBT/A Ethernet/IP card to test these VIs. Once I have some free time, I will post my results.
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