Data processing: measuring – calibrating – or testing – Testing system
Reexamination Certificate
2006-11-07
2006-11-07
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Testing system
C702S183000, C700S108000
Reexamination Certificate
active
07133794
ABSTRACT:
Methods and apparatus are provided which allow control systems to be tested. Specifically, a test system is coupled to a control system in a manner which allows the test system to communicate with and drive the control system by sending and receiving signals via both the controller-I/O communication channel and the field I/O connectors. In essence, the test system is used to both simulate a plant to be controlled and to monitor, validate, and or modify the internal state of the control system controller and possibly the control system I/O interface. Plant simulation is accomplished by simulating the I/O devices to which the control system is coupled (and hence the plant processes) when installed in its operational environment. In addition to the simulation of I/O devices, the test system takes advantage of the fact that many commonly used controller and I/O interfaces are capable of communication with other devices by using such communications ability to provide instructions to or obtain information from a control system's controller(s) and I/O interface(s).
REFERENCES:
patent: 5079731 (1992-01-01), Miller et al.
patent: 09330118 (1997-12-01), None
Brayton D. Dwight
Dallas Mark E.
Ghormley Christopher S.
Romero Stephen G.
Barbee Manuel L
Flour Technologies Corporation
Hoff Marc S.
Rutan & Tucker LLP
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