Programmable controller communication module
Patent 5307463 Issued on April 26, 1994. Estimated Expiration Date: 
December 7, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 7, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesModular programmable controller Data transfer network for variable protocol management Multicommunication protocol controller Programmable controller with parallel processors Patent #: 4858101 InventorsAssigneeApplicationNo. 987104 filed on 12/07/1992US Classes:710/1INPUT/OUTPUT DATA PROCESSINGExaminersPrimary: Chun, Debra A.Attorney, Agent or FirmInternational ClassG06F 013/12AbstractA module interfaces a programmable controller to several serial communication networks for the exchange of data carrying messages. A central processor controls the transfer of data between the module and other programmable controller components. The module has a separate port circuit for each of the networks permitting communication using different protocols. Messages received through one port circuit can be routed to another port circuit or other programmable controller components as specified by routing data stored in the module. The module also can be configured to detect when a given sequence of data is contained in a received message or to parse a section of data from the message. In these cases, an indication of whether the data sequence was found or the parsed data is routed to a designated output of the module. | |
