Invention Grant
- Patent Title: System and method for accessing PLC data on demand
- Patent Title (中): 根据需要访问PLC数据的系统和方法
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Application No.: US11058532Application Date: 2005-02-15
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Publication No.: US08738159B2Publication Date: 2014-05-27
- Inventor: David Martin
- Applicant: David Martin
- Applicant Address: US GA Alpharetta
- Assignee: Siemens Industry, Inc.
- Current Assignee: Siemens Industry, Inc.
- Current Assignee Address: US GA Alpharetta
- Main IPC: G05B11/01
- IPC: G05B11/01 ; G05B15/00 ; G05B15/02 ; G05B19/05 ; G05B19/408 ; G05B19/409 ; G05B19/42 ; G06F9/54 ; G06F11/20 ; G06F13/00 ; G06F15/16 ; G06F15/173 ; G06F17/30 ; G06F21/31 ; G06F21/78 ; H04L9/32 ; H04L29/06 ; H04W12/06
Abstract:
A system for providing programmable logic data on demand includes a portion for receiving a plurality of data requests at the programmable logic controller and a portion for processing the plurality of data requests asynchronously. An interface enables asynchronous processing to enhance and extend capabilities of the programmable logic controller.
Public/Granted literature
- US20050203648A1 System and method for accessing PLC data on demand Public/Granted day:2005-09-15
Information query
