JPH0210404A - Cnc device - Google Patents

Abstract

PURPOSE:To accurately transmit alarm contents by storing alarm contents detected by an alarm detecting part in a non-volatile storage part by its storage control part. CONSTITUTION:A CNC device is provided with an input/output part 1, a memory part 2, a shaft output part 3, a time calendar 4, and a CPU 5 and controls each motor 15 of a working machine based on a preliminarily set program to control the working processing. If alarm arises by misoperation or the like at this time, its contents are stored in the device, and alarm contents are directly transmitted to a service man or the like when he comes. The input/output part 1 is provided with a keyboard 7, its interface 8, a CRT controller 9, and a CRT 10, and the memory part 2 is provided with a ROM 11, a RAM, and a power source 13. When alarm is outputted, the CPU 5 detects it and takes in alarm contents and date from the time calendar 4 and stores them in a RAM 12.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention provides a C
Regarding the NC device.

(Prior art) Some processing machines equipped with a CNC device are designed so that the CNC device detects machine failures, operational errors, etc. during operation and operation, and displays this as an alarm on the CR7 display. .

In this case, the alarm is usually an alarm number or
A method of displaying a simple message is used to inform the operator which part is defective.

Also, when performing system maintenance, the content of this alarm is used to determine which part is at fault.

If an alarm occurs, the operator writes down the contents and then contacts the service personnel.
The cause of the failure will be determined.

Based on this communication, the service engineer orders repair parts and performs the repair.

(Problem to be Solved by the Invention) However, since such a method involves the operator writing a memo of the alarm contents, this memo writing part is omitted, and the alarm number etc. that the operator remembers is omitted. There is also a high risk of being contacted.

In such a case, there is a risk that the contents of the alarm may be miscommunicated and the service engineer may make an incorrect decision.

Furthermore, even if you try to check the symptoms on-site, it will take a lot of time if alarms occur infrequently.

In view of the above circumstances, the present invention aims to provide a CNC device that can accurately transmit the contents of alarms to service personnel, etc., thereby allowing service personnel to perform accurate maintenance and service. There is.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above object, a CNC device according to the present invention is configured such that an alarm occurs in a CNC device that controls a processing machine based on a preset program. The present invention is characterized in that it includes an alarm detection unit that detects this when the alarm occurs, and an alarm content storage control unit that stores the contents of the alarm in a nonvolatile storage unit when the alarm detection unit detects the alarm.

(Operation) In the above configuration, when an alarm is detected by the alarm detection section, the contents of the alarm are stored in the nonvolatile storage section by the alarm content storage control section. This allows the details of the alarm to be accurately communicated to service personnel and the like.

(Embodiment) FIG. 1 is a block diagram showing an embodiment of a CNC device according to the present invention.

The CNC device shown in this figure has an input/output section 1 and a memory section 2.
The machine includes a shaft output section 3, a timer calendar 4, and a CPU 5, and controls each motor 15 of the processing machine based on a preset program to control the processing of this processing machine. At this time, if an alarm is generated due to some kind of failure or operational error, the contents of the alarm are stored in the device, and when a serviceman or the like comes, the contents of the alarm are directly transmitted to the serviceman or the like.

The input/output unit 1 includes a keyboard 7 necessary for inputting data and commands, a keyboard interface 8 for transmitting data and commands input from the keyboard 7 onto a bus 6, and display data from the bus 6. It is equipped with a CRT controller 9 that captures and generates a display signal, and a CRTlo that displays the contents of the display signal output from the CRT controller 9 on a screen.

The memory unit 2 also includes a ROM II in which programs and various data necessary for controlling this device and the processing machine are stored, and an RA used as a work area for the CPU 5 and a storage area for alarm contents. M 1.2, and a power source (for example, a battery) 13 for backing up this RAM 12.

Further, the axis output section 3 includes a plurality of axis control circuits 14, takes in the axis control data sent out on the bus 6, and performs feedback control of each motor 15 of the processing machine.

In this case, each axis control circuit 14 is an axis control circuit that generates an axis control signal having a value based on the axis control data sent onto the bus 6 and feedback data from the encoder 16 attached to each motor 15. 17, and a servo amplifier 18 that generates a motor drive voltage from the axis control signal output from the axis control section 17 to rotate the motor 15 of the processing machine.

Further, the timer calendar 4 includes a calendar IC and the like, and performs a constant clock operation and sends date data and time data obtained by this clock operation onto the bus 6.

The CPLI 5 is constituted by a microprocessor, etc., and controls the operations of the input/output section 1 to the timer calendar 4 based on a program stored in the ROM 11.

Next, the processing machine control operation and alarm processing operation of this embodiment will be sequentially explained.

First, in the processing machine control operation, the CPU 5 uses the RAM1
Axis control data is created based on the machining data stored in 2, etc., and is supplied to the axis output section 3 via the bus 6.

As a result, a motor drive voltage is output from the shaft output section 3 to control each axis of the processing machine, and the workpiece set in this processing machine is machined.

Also, in this state, if an alarm is output due to a malfunction or operational error occurring in each part of this device or the processing machine, the CPU 5 detects this and determines the content of this alarm (the abnormal part). contents) and the current date data output from the timer calendar 4, and store them in the RAM 12 as a pair.

Then, when a service engineer or the like comes and inputs a command to display the alarm contents, the CPU 5 sequentially reads out the date data of each alarm stored in the RAM 12 and the alarm contents in pairs and displays them on the CRTIO as shown in FIG. Display as shown.

In this embodiment, when an alarm occurs, the contents of the alarm and the date at that time are stored in the RAM 12.
Store it in the CRTIO and read it as necessary.
Even if the alarm information transmitted by the operator is inaccurate, it is possible to present the accurate alarm information to the service engineer, thereby encouraging the service engineer to make an accurate decision. can be set.

[Effects of the Invention] As described above, according to the present invention, the contents of an alarm can be accurately transmitted to a service person, etc., thereby allowing the service person to perform accurate maintenance and service.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of a CNC device according to the present invention, and FIG. 2 is a schematic diagram showing an example of displaying alarm contents in the same embodiment. 5... Alarm detection section, alarm content storage control section (C
PU) 12...Nonvolatile storage unit (RAM)

Claims (1)

[Claims] (1) In a CNC device that controls a processing machine based on a preset program, there is an alarm detection unit that detects an alarm when it occurs, and an alarm detection unit that detects the alarm content when the alarm is detected. A CNC device comprising: an alarm content storage control section for storing alarm contents in a non-volatile storage section.