JPS62163115A - Control device - Google Patents

Abstract

PURPOSE:To quickly, accurately and easily perform a correcting action to the abnormality of the set data produced when the data is read out of a data memory part, by using a discriminating means for abnormality of the read data, an abnormality display means and an abnormality releasing means. CONSTITUTION:A CPU1 includes a gate reading means for the data set at a data memory part 2, a discriminating means for the abnormality of the set data read by said data reading means, an abnormality display means which indicates and displays a data setting part B where the abnormality is produced, and an abnormality releasing means which delivers an operation permitting signal that permits an input operation of the corresponding setting means only to the part B corresponding to the abnormal set data. Thus a prescribed control action is possible after the correction is given to the abnormal data only. This can ensure a quick correcting action compared with a case where all set data are corrected.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of the Invention) The present invention provides, for example, an injection molding machine in which various data such as resin temperature, moving speed of an injection cylinder, pressure horn, etc. an internal memory that stores a plurality of setting data such as a control operation, a plurality of data setting sections that set predetermined data in the internal memories by input operations of respective setting means, and each of the data setting sections. a plurality of data display sections that display set data in correspondence with the data storage section, a data storage section that stores a plurality of combinations of the plurality of setting data, and a setting of one combination set in the data storage section. and a data reading means for reading data and storing it in the internal memory.

(Prior art and its problems) In this type of control device, the storage capacity of the internal memory is small, and in order to be able to cope with a large number of control forms, the data storage section has a large number of control forms. According to the control target, desired setting data is read from the data storage section, and the setting data is stored in the internal memory. ．． A predetermined control operation is performed using the control function.

By the way, when reading from two data storage units, due to an abnormality in the transmission line between the internal memory and the data storage unit, the data read from the data storage unit may be garbled and the setting data may become corrupted. Abnormalities may occur.

Therefore, conventionally, when reading the setting data stored in the data storage section, it is determined whether the setting data is abnormal or not, and if there is an abnormality, the abnormality is displayed on a predetermined display section, and the Based on 1), due to artificial manipulation 3),
4. Clear all of the data stored in the storage unit 12, then set all the data again.

However, if such a configuration is
In the case of the example, even if an abnormality occurs in one setting data of a large number of setting data, it is difficult to determine which setting data 1(r) is the setting data that caused the abnormality. Therefore, in order to resolve the abnormality, iT', f
, It is necessary to clear 4゛base of setting data including the set data, and correct all the setting data to 1゜, which takes time and effort to correct the 8th take to eliminate 5 dark points. However, the problem with fix 1 is that data that was read correctly is incorrectly set during processing.

(Objective of the Invention) The present invention has been made in view of the above circumstances, and has the following objects:・11±1-1
And be sure to do it easily.
．． Let this be the 1-1 target.

(Structure and Effects of the Invention) In order to achieve such an object, the present invention provides an abnormality determination method for determining whether or not an abnormality has occurred in the data read into the data reading means in the control device described at the beginning. means, an abnormality display means for instructing and displaying a data setting section corresponding to the setting data causing the abnormality, and only the data setting section corresponding to the setting data causing the abnormality.
The apparatus is characterized in that it includes an abnormality release means that outputs an operation permission signal that allows input operation of the corresponding setting means.

According to this characteristic configuration, when reading the setting data stored in the data storage section, if there is an abnormality in the setting data, the abnormality display means displays the data setting section that has generated the abnormality and requires data setting correction. Only the input operation to the data setting section is permitted by the abnormality canceling means, and only the data that caused the abnormality can be corrected and a predetermined control operation can be performed.

Therefore, it is possible to know in which of the many setting data an abnormality has occurred, and to correct the abnormality, only the setting data in which the abnormality has occurred can be corrected. Because it can be done with J, compared to the conventional case of modifying setting data at
Corrections can now be made quickly.

Furthermore, since normal data cannot be corrected by the abnormality canceling means, it is ensured that during the correction process, the setting means for the data setting section corresponding to normally read setting data is not accidentally operated. can be avoided,
Correcting abnormal setting data can now be done reliably and easily.

(Description of Embodiments) The present invention will now be described in detail based on embodiments shown in the drawings. FIG. 1 is a diagram showing the operation of the control device according to the embodiment of the present invention, FIG. 2 is a block diagram showing the configuration of the control device, and FIG. 3 is a front view of the setting device of the control device. It is.

In FIG. 2, 1 is a CPU that reads an internal memory (not shown); 2 is a data storage unit (external memory) that stores a plurality of combinations of a plurality of setting data; and 3
Ll interface circuit, and these are connected via a data bus, an address bus, and a control line (control line).In the data storage section 2, for example, in the case of a creation molding machine, the In order to be compatible with a plurality of types of molds, setting data is stored so that 16 control forms can be selected.

Further, 4 is a display section, and 5 is a data setting circuit.

Each of the display sections 4 and 1 includes a data display section Δ that displays a setting value in 4 digits using an R81-shaped liquid crystal display, and CI).
A drive circuit 6 which converts the segment signal from IJ I into a drive signal and outputs a drive output to each segment to the data display section, and a drive circuit 6 which responds to the digit drive signal from CPU I.
It is composed of a digit driver 7 that causes a predetermined digit to be displayed with -.

In Fig. 3, 8 is a panel of a setting device of a control device for an injection molding machine, and on the panel 8H, a setting part 9 for resin temperature, a setting part IO1 for mold driving speed and pressure, and a molded product are placed in the mold. Setting section 11 for "Depart from 4"
, a setting section 12 for the injection squirrel, and a monitor display section 13 are provided.

Each of the setting sections 9, 10. + 1 and + 2 are respectively i'1
, the data display section Δ for displaying a set value, and an addition key 14 as a setting means for adding the set value and incrementing the set value.
(In the drawing, a 10 is attached to the key surface) and a setting means for subtracting a set value to advance; 1. 1l JX1 key 15 (
In the drawing, - is marked on the key surface.1. 3. With the above configuration,
Addition key 14 or atmosphere reduction key 1 of the data setting section H
5. When you press down on any of 5 and perform the input operation, the value of the setting data will be displayed on the data display section A, and you can modify the setting 1. to that value or to a predetermined value. By inputting a write signal (not shown), the value is stored as setting data at a predetermined address in the +iQ data storage section 2.

The data storage section 2 is connected to a main control section (indicated by M'' in the figure) via a cable 16.

In the above-mentioned Ci') tJl, an abnormality has occurred in the internal memory described above, the data reading means for reading the data set in the data storage section 2, and the setting data read into the data reading means. an abnormality determining means for determining whether or not there is an abnormality, an abnormality display means for indicating the data setting section B in which the abnormality is occurring, and a setting corresponding to only the data setting section B corresponding to the setting data in which the abnormality is occurring. and an abnormality release means for outputting an operation permission signal to permit input operation of the means, as described below.
These operations will be explained using the flowchart shown in FIG. In addition, the display by the above-mentioned abnormality display means may include blinking the set value displayed in the display section Δ, lighting only the horizontal line in the center of the character "Sun", or lighting and displaying rEJ. Various configurations can be adopted.

When a read signal (not shown) is input to the CPU 1, the mode is switched to the setting data read mode, and the setting data stored in the data storage section 2 is read and displayed on the data display section A. It is stored in memory.

That is, first, setting data is read from the data storage section 2 (S1), and following the first reading, the same setting data is read a second time (S2).

After that, it is determined whether the setting data corresponding to the setting data read the first time and the setting data read the second time match each other (S3
). This is to confirm that incorrect setting data will be read due to noise or the like being mixed in when reading the setting data.

Here, if it is determined that there is a mismatch, an error has occurred in reading from the data storage unit 2, so step S4
The setting data that does not match is set to 0 and stored in the internal memory.

After that, the process moves to step S5, and for example, 0 to 999
If it is possible to set up to this range, check whether setting data that exceeds this range has been loaded.
Check whether there is any setting data outside the setting range. Further, even when it is determined in step S3 that there is a match, it is determined in step S6 whether or not setting data outside the setting range has been read in the same way as described above. These determinations are made to prevent incorrect setting data from being read due to the above-mentioned noise mixing or the setting data stored in the data storage unit 2 being corrupted before being read.

If it is determined in step S5 and step S6 that setting data outside the setting range has been read, the process moves to step S7, where the setting data outside the setting range is set to 0 and stored in the internal memory.

After this storage process, or after it is determined in step S5 that there is no setting data outside the setting range, the process moves to step S8 and stores the normal setting data (J in the internal memory) among the read setting data. Furthermore, if the read setting data is abnormal, the abnormality is displayed in the data display section A corresponding to the setting data (S
9) At the same time, an operation permission signal is outputted to the data setting section 13 to permit the input operation by the setting means. , and stops the control output to the control device (Or"F) (SI2). This makes it clear at a glance which data setting section B is causing the abnormality.

After that, the process moves to step S13, and the addition key I as a setting means is pressed for the data setting section B in which the abnormality has occurred.
By waiting for an input operation by pressing 4 or the subtraction key 15, and then adding or subtracting from the normal set value and setting it (-), the abnormality is canceled and the normal control is corrected. It is processed. Therefore, unless correction processing is performed on the data setting section B in which the abnormality has occurred, the abnormality will not be canceled, and forgetting to make corrections can be effectively avoided.

If it is determined in step S6 that there is no setting data outside the setting range, the process moves to step S14 and calculates a sum value (a value obtained by summing the bits of the setting data for each digit and only finding the end of each digit). Then, it is compared with the sum value stored in the data storage section 2 (this sum value is calculated and written in advance when writing the setting data to the data storage section 2) (SI5). This is to finally check whether the setting data in the data storage section 2 is within the setting range.

If it is determined that there is an abnormality in the sum value, this means that the same abnormality occurred during both the first and second reading of the setting data, and it is necessary to identify which setting data has the abnormality. Therefore, all of the read setting data is displayed as is on the data display section A and stored in the internal memory (5I6), and an abnormality is displayed on the error display section C on the panel 8 (SI7), and the control Stop (OFF) the control output to the device (S
18).

After that, the process moves to step S19, and any addition key 1 is pressed.
4 or wait for the subtraction key I5 to be pressed, = 12- After the pressing operation is performed, visually check all setting values on the data display section A, correct the incorrect setting data and cancel the abnormality, Perform normal control.

In step SI5, when it is determined that the sum value is normal, the process moves to step S20, and the setting data is stored in the internal memory (S2+), and the normal setting data is displayed on the data display section A.522). After that, the program returns and exits from the setting data reading mode subroutine.

What consists of step S3, step S5, and step S6 is referred to as an abnormality determining means.

The step S9 is referred to as an abnormality display means.

What consists of step SIO and step SI3 is referred to as an abnormality release means. As this abnormality canceling means, for example, when reading setting data from the data storage section 2, input of setting signals from each data setting section B to the internal memory is prohibited, and in contrast, the setting signal is input by the operation permission signal. is configured to remove the input prohibition. The present invention may not include step S]3.

In each of steps S4 and S7, the setting value corresponding to the data setting section B in which the abnormality has occurred is set to 0, which is the lower limit value of the setting range.
If it is safer to change to the two-limit value, it may be changed to the upper limit value, and by taking such safety into consideration, a desired value may be selected as appropriate. Further, values to be changed may be set in advance for each data setting section B.

In the embodiment described above, the abnormality determining means includes means for determining whether or not the setting data read the first time and the setting data read the second time match the corresponding setting data, respectively; Although both of the means for determining whether setting data outside the setting range have been read are employed, the present invention may employ either one of the two means.

The present invention can be applied not only to control devices for injection molding machines such as double-unit injection molding machines, but also to control devices for various types of equipment.

[Brief explanation of drawings]

FIG. 1 is a flowchart showing the operation of a control device according to an embodiment of the present invention, FIG. 2 is a block diagram showing the configuration of the control device, and FIG. 3 is a front view of a setting device of the control device. . 2. Data storage section, I4. Addition key as setting means, 15. Subtraction key as setting means, A. Data display section, B. Data setting section.

Claims (1)

[Claims] (1) an internal memory that stores a plurality of setting data; a plurality of data setting units that set predetermined data in the internal memory through input operations of respective setting means; and settings that correspond to each of the data setting units; a plurality of data display sections for displaying the set data; a data storage section for storing a plurality of combinations of the plurality of setting data; and a data storage section for reading one combination of setting data set in the data storage section and storing the setting data in the internal memory. a control device comprising: a data reading means for storing data in the data reading means; an abnormality determining means for determining whether an abnormality has occurred in the data read into the data reading means; and data corresponding to the setting data in which the abnormality has occurred. An abnormality display means for displaying an instruction on the setting section, and an abnormality canceling means for outputting an operation permission signal that permits input operation of the corresponding setting means only to the data setting section corresponding to the setting data causing the abnormality. control device.