JPS63697A - Status variation-wise information setting system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a method for setting state change type information for performing processing corresponding to a state change of a state change object.

(Prior Art) Conventionally, for example, in a water meter reading system, when a water leak (state change) or the like occurs near each water meter, processing is performed to detect this and display the water leak. At this time, the above-mentioned display processing and the like are performed by passing condition-specific information indicating the position of the water meter, the diameter of the water pipe, etc. to a processing program prepared in advance. However, conventionally, such status/variation type information is not available in the C of an information processing system, as shown in Figure 3.
Settings are made by turning on and off a switch on a setting switch board 3 connected to an input/output bus 2 from the PU 1 via an interface device 4. That is, CPIJ
When a state change is detected by a monitoring contact (not shown), etc., the state change type information corresponding to this state change is obtained from the switch setting status of the setting switch board 3 corresponding to the state change object that caused this state change. This state change type information is read and given to a preset program to perform processing such as displaying the state change.

FIG. 4 is a diagram showing a detailed example of the board surface of the setting switch board 3, in which a plurality of switches 31 are arranged for each state-changing object, and each switch 31 is composed of a plurality of digital switches. By turning on and off the plurality of digital switches, state change type information corresponding to one state change is set.

By the way, in the method of setting the state change type information using the setting switch board 3 as described above, the number of switches 31 is also a decimal number for a decimal number of state changes, and the work of setting the state change type information is not very difficult. However, for a large number of state changes (for example, 500 points or more), the number of switches 31 becomes large, and the setting switch board 3 becomes large, and it becomes difficult to mount a large number of switches 31 due to space considerations. The drawback is that it is rare.

(Problems to be Solved by the Invention) In the above-mentioned conventional state change type information setting method, when the number of state change objects increases, the number of switches provided in the number of setting switches 3 increases accordingly. As the board 3 becomes larger, if space is limited, it becomes impossible to mount a large number of switches, and there is a drawback that there is a limit to the type of information that can be set.

SUMMARY OF THE INVENTION Therefore, the present invention aims to eliminate the above-mentioned drawbacks, and provides a state change type information setting method that can easily set a large number of state change type information corresponding to a large number of state change objects in a space-saving manner. With the goal.

[Structure of the Invention] (Means for Solving the Problems) The state change type information setting method of the present invention provides a nonvolatile memory that can be accessed by the central processing unit of an information processing system, and stores state change objects in this memory. The system uses a method to set information for each type of condition corresponding to the situation.

(Operation) In the state change type information setting method of the present invention, when a state change occurs, the central processing unit accesses the nonvolatile memory to store the nonvolatile data corresponding to the state change object that has caused the state change. The state change type information set at the address of the non-volatile memory is read out and processing corresponding to the state change is performed, and the state change type information is stored in a large memory corresponding to the storage capacity of the non-volatile memory. Moreover, since the size of this non-volatile memory is much smaller than the conventional setting switch board, it is possible to easily and space-savingly store multiple types of information corresponding to a large number of state-changing objects. It can be set with .

(Example) An example of the present invention will be described below with reference to the drawings. 1st
The figure is a block diagram showing an embodiment of essential parts of an information processing system to which the present invention is applied.

An input/output bus 12 from a central processing unit (CPU) 11 of the information processing system includes a memory device 13 storing state change type information and a plurality of contacts 14-1 to 14-n for detecting state changes via an interface 15. , a display device 16 for displaying status changes is connected.

FIG. 2 is a schematic diagram showing a detailed example of the memory device 13 shown in FIG. The memory device 13 has a control unit 131 and E2.
Memory mounting section 13 formed by mounting a plurality of PROMs 133
2, and the control unit 131 controls each E2FROM 13.
This is to control data read or write for 3.

Next, the operation of this embodiment will be explained. First, an address is assigned to the memory device 13 for each state-changing object handled by this information processing system, and state-variation type information corresponding to the state-changing object is set at each address according to a certain rule. For this reason, the CPU 11 has contacts 14-1, 14-2...
When state change information is input through the interface 15 based on the contact information, the address corresponding to the state change object detected by this contact is calculated from the activated contact, and the memory device 13 is stored based on this address. to access. As a result, the control unit 131 of the memory device 13 shown in FIG.
reads the state variation type information stored in the 62FROM 133 at the given address and sends it to the CPU 11.

The CPU 11 performs processing such as displaying the state change on the display device 16 based on the sent state change type information. Here, if the information processing system is a water meter reading system, a specific contact among the contacts 14-1, 14-2, etc. operates to transmit a state change signal such as a water leak to the CP.
When passing through U11, the CPU II stores the state and type information such as the diameter of the water pipe associated with this water meter, the position of the water meter, and the display method (whether to turn on a red lamp or a white lamp, etc.) as described above in the memory device 13. Based on this information, the water leak is displayed on the display device 16, as well as its location, the diameter of the water pipe, etc.

According to the present embodiment, the state variation type information is stored in the E2FROM, for example.
By setting in a readable and writable non-volatile memory such as, the amount of information for each setting type for each size becomes enormous compared to the conventional setting switch board, so it is easy and space-saving to set a large amount of settings for each type of setting switch board. Information can be set. Furthermore, since the E2PRoM is a readable/writable nonvolatile memory, it is easy to change the set status variation type information or write new status variation type information.

[Effects of the Invention] As described above, according to the state change type information setting method of the present invention, by setting state change type information for each state change object in the nonvolatile memory, it is possible to deal with a large number of state change objects. This has the effect that a large amount of condition type information can be set easily and in a space-saving manner.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the essential parts of an information processing system to which the present invention is applied, FIG. 2 is a detailed schematic diagram of the memory device shown in FIG. 1, and FIG. 3 is a conventional information processing system. FIG. 4 is a block diagram showing an example of the system, and is a diagram showing a detailed example of the setting switch board shown in FIG. 3. 11...CPU 12...I/O bus 13...Memory device 14-1 to 14-n...Contact 15...Interface 16...Display device agent Patent attorney Nori Chika Ken Shu Kanshu Sanno - Figure 1 Figure 2 Figure 4

Claims (1)

[Claims] In an information processing system that performs processing corresponding to a change in the state of a state-changing object based on information type information, a non-volatile memory that can be accessed by a central processing unit of the information processing system is provided, and the state is stored in this memory. A state change type information setting method characterized by setting state change type information corresponding to a changing object.