JPH01184421A - Electronic tariff scale - Google Patents

Abstract

PURPOSE:To shorten the time required for repairing by constituting the title scale so that a result of checking by an operating checking part is brought to self-diagnosis and its result of diagnosis is communicated to a repair center through a communication line. CONSTITUTION:Operation checking parts 6-10 check an operation of a keyboard part 2, a display part 3, a label printer part 4, a weighing part 5 and storage parts 11, 12. A self-diagnostic function part 14 executes a diagnosis of said each part, based on a result of the check, and stores a result of diagnosis (cause of a fault) in the storage part 12. Subsequently, the result of diagnosis in this storage part is transmitted to a service center by using a communication control part 15 and a communication line such as a pay station line, etc. According to such constitution, a fault part of the device and its cause can be confirmed from the outside, therefore, a serviceman can carry exactly that which is necessary for a repair with him, and the time required for the repair can be shortened.

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to electronic price scales used in supermarket pack rooms or stores.

BACKGROUND TECHNOLOGY In general, in this type of electronic toll scale, when a failure occurs, a service person is notified by the user of the electronic toll scale.
When determining the cause of a failure, we either receive an explanation of the failure phenomenon over the phone and make an estimate, or a service person visits the customer's location to investigate the cause of the failure and perform repairs.

Problems that the invention aims to solve With conventional methods of identifying the cause of a failure, it is not possible to determine what is necessary for repair, and it is necessary to bring in a replacement machine or replace parts that are considered to be defective. You have no choice but to estimate and bring it with you, and in some cases you may have to go to the customer's location multiple times.

Means for Solving Problems: An operation check circuit that checks whether the weighing section, keyboard section, display section, and other operation sections are operating normally or not for each of the operation sections, and an operation check circuit for these operation check circuits. A self-diagnosis function unit that diagnoses the check results, a storage unit that holds the cause of failure diagnosed by this self-diagnosis function unit, and a communication control unit that can communicate various information including the cause of failure through a public line or a private line. Configure.

The causes of operation failures are clarified by operation check circuits provided in each operation section and a self-diagnosis function section that diagnoses the check results of these operation check circuits.The results are stored in the storage section, so communication The control unit allows the cause of the failure to be confirmed from the outside through a public or private line, which allows service personnel to bring in exactly what they need for repairs, reducing the time required for repairs. It is possible.

Example An embodiment of the present invention will be described based on the drawings.

First, a keyboard 2, a display section 3, a label printer section 4, and a weighing section 5 are connected to the central processing unit CPUI via operation check circuits 6, 7, 8, and 9, respectively. Further, the CPU is connected via an operation check circuit 10 to a first storage section 11 including PLtJ and other memories, and a second storage section 12 for storing the cause of failure, which will be described later.
are connected.

Next, a system control unit 13 in which program software is set is connected to the CPU 1, and a self-diagnosis function unit 14 for diagnosing the check results of the operation check circuit 6°7.8, 9.10. A communication control unit 15 is connected that can communicate various information with the outside through a public line or a private line.

In such a configuration, the self-diagnosis function unit 14 stores the contents of the failure part and its cause in code as shown in FIG. For example, the malfunctioning parts include a "keyboard part", a "display part", etc., and the code #l of the malfunctioning part is roooIJ for the keyboard part and ro for the display part.

02". In addition, the cause of the failure part is "poor contact of the erase key" or "poor contact of the tare key" for the keyboard part.
Regarding the display section, it is said that there is a "defective display tube in the weight section." The cause code #2 is rooolJ due to poor contact with the erase key, and poor contact with the tare key is [
o It is OO2J, and the weight display tube is defective in rooolJ.
It is. Therefore, for example, if a failure occurs such as poor contact with the tare key on the keyboard, rooo1
The code "0002" is the code that displays the details of the failure.

Therefore, the operation will be explained by giving an example.

First, if the label does not come out from the label printer section 4 even if you press the print key on the keyboard section 2, the cause may be poor contact with the O print key.

◎Printing is not possible due to a malfunction in the label printer section.

◎Since weight data is not sent from the weighing unit to the CPU, the price cannot be calculated and print information cannot be output to the label printer unit.

Possible causes include:

Such a cause is caused by the operation check circuit 6, 7° 8.9,
10 and diagnosed by the self-diagnosis function unit 14 to identify the cause and store it in the second storage unit 12. For example, if the print key has a poor contact, "0001" is entered in the code #1 field, and "I" is entered in the code #2 field.
'OO03' and the date and time (1, 20, 88) are stored.

In this state, the device is unusable and the user should contact a service person. The service person directly communicates with the device using a public line or the like, and the r
Receive the code 00010003J, or operate the self-diagnosis function unit 14 again and check rooo10003.
Uke takes the code J. This makes it possible to clarify the failure part and its cause, and to know what needs to be prepared, so that service can be performed quickly and accurately.

Note that when many identical devices are installed in a store, it is possible to identify the device by specifying the machine number, and the information output to the outside is "serial" as shown in Figure 4. number, machine number, date and time, code #1,
The content will be "Code #2".

Effects of the Invention As described above, the present invention provides an operation check circuit that checks whether or not the operation of the weighing section, keyboard section, display section, and other operation sections is normal for each of the operation sections, and an operation check circuit for checking these operations. A self-diagnosis function section that diagnoses the circuit check results, a storage section that holds the causes of failures diagnosed by this self-diagnosis function section, and a communication control section that can communicate various information including the causes of failures through public lines or private lines. As a result, the cause of failure can be identified by the operation check circuit provided in each operation section and the self-diagnosis function section that diagnoses the check results of these operation check circuits, and the results are stored in the storage section. This allows the communication control unit to confirm the cause of the failure from the outside through a public line or private line.This allows service personnel to bring exactly what they need for repair, reducing the time required for repair. This has the advantage of being able to shorten the length of time.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a block diagram, Fig. 2 is a RAM map of failure parts and their causes set in the self-diagnosis function section, and Fig. 3 is a diagram stored in the storage section. FIG. 4 is an explanatory diagram showing the contents of communication. 2...Keyboard section, 3...Display section, 6,7,8゜9.10...Operation check circuit, 12...Storage section,
14...Self-diagnosis function section, 15...Communication control Nobuhito Koriyama Tokyo Electric Co., Ltd.

Claims (1)

[Claims] An operation check circuit that checks whether the weighing section, the keyboard section, the display section, and other operation sections are operating normally or not for each of the operation sections, and a self-diagnosis function section that diagnoses the check results of these operation check circuits. An electronic toll scale characterized by comprising: a storage section that holds the cause of failure diagnosed by the self-diagnosis function section; and a communication control section that can communicate various information including the cause of the failure through a public line or a private line. .