Measurement system using double CPU modules for human machine interface control and measurement module control

• US 5,930,737 A
• Filed: 12/19/1997
• Issued: 07/27/1999
• Est. Priority Date: 12/26/1996
• Status: Expired due to Fees

• Current Assignee: Yokogawa Electric Corporation
• Original Assignee: Ando Electric Co., Ltd. (Yokogawa Electric Corporation)
• Inventors: Banjo, Nobukazu
• Primary Examiner(s): Barlow, John
• Assistant Examiner(s): Bui, Bryan
• Application Number:
  US08/994,166
• Time in Patent Office: 585 Days
• Field of Search: 702/57, 702/62, 702/127, 702/182, 702/186, 364/130, 364/131, 364/132, 395/200.3, 395/200.38, 395/200.39, 395/200.57, 395/200.79, 395/200.83
• US Class Current: 702/127
• CPC Class Codes: G06F 13/4027 using bus bridges G06F13/4022 takes precedence

Abstract

A measurement system analyzes and displays measurement data obtained from measurement modules with respect to prescribed measured values. A large scale graphical user interface (GUI) is provided as a human-machine interface and functions as a display as well as a data input device. The measurement system employs double CPU modules for sharing loads of data processing required for the GUI and measurement modules, respectively. A first CPU module controls the human-machine interface and performs data processing. A second CPU module controls the measurement modules. The first CPU module uses a firsts system for communications, whereas the second CPU module uses a second bus system for communications with the measurement modules. A bus exchanger connects the first and second bus systems so that a user of the system can control the measurement system using the GUI while providing real-time performance for the measurement modules.

Claims

1. A measurement system for real-time data processing comprising:

a first CPU module which contains a human-machine interface control means, a data processing means and a first communication means;

a first bus system being controlled by the first CPU module;

a second CPU module which contains a measurement module control means and a second communication means;

a second bus system being controlled by the second CPU module; and

a bus exchanger for providing connections between the first bus system and the second bus system,

wherein communications of data between the first communication means of the first CPU module and the second communication means of the second CPU module is performed by the bus exchanger.

2. A measurement system for real-time data processing comprising:

a first CPU module which contains a human-machine interface control means, a data processing means and a first communication means;

a first bus system being controlled by the first CPU module;

a second CPU module which contains a measurement module control means and a second communication means;

a second bus system being controlled by the second CPU module; and

a bus exchanger for providing connections between the first bus system and the second bus system,

wherein communications of data is performed between the first communication means of the first CPU module and the second communication means of the second CPU module by means of the bus exchanger, and

wherein the first CPU module, the human-machine interface control means performs control of display and analysis of measurement parameters input thereto;

the processing means performs an analytical process on measurement data which are obtained by a measurement module; and

the first communication means performs control of communications with respect to the second CPU module, whereas in the second CPU module, the measurement module control means performs control of the measurement module; and

the second communication means performs control of the measurement module; and

the second communication means performs control of communications with respect to the first CPU module.

3. A measurement system for real-time data processing comprising:

a human-machine interface;

a first CPU module exclusively provided for controlling the human-machine interface and for performing data processing;

a second CPU module used for controlling at least one measurement module to obtain measurement data representing a result of measurement with respect to a prescribed measured value; and

first communication means for performing communications between the first CPU module and the second CPU module and second communication for performing communications between the second CPU module and the measurement module.

4. A measurement system for real-time data processing as defined in claim 3 wherein the first communication means includes a bus exchanger for providing connections between a first bus system coupled to the first CPU module and a second bus system for providing connections between the second CPU module and the measurement module.

5. A measurement system for real-time data processing as defined in claim 3 wherein the human-machine interface employs a graphical user interface.