JPH03240200A - Process monitor device - Google Patents

Abstract

PURPOSE:To prolong the service life of the process monitor device and to prevent burning on a CRT screen by preventing an unnecessary warning from being generated when an operator is absent. CONSTITUTION:A fault decision part 10 fetches a warning signal outputted from a process data processing part 6 and supplies it to a warning output part 8 and a screen display part 9 when neither an operator absence command nor an operator absence time command is outputted from a CRT input part 11. Further, when the operator absence command and operator absence time command are outputted from a CRT input part 11, the warning signal outputted from the process data processing part 6 is inhibited from being fetched until the warning inhibition period set with the commands ends, thereby quitting supplying the warning signal to the warning output part 8 and screen display part 9. Consequently, the service life of the device can be prolonged and the burning on the screen of the CRT 4 is precluded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a process monitoring device that monitors a plant system or the like using a display device.

(Prior Art) It has been common practice in the past to display various information on a CRT display device based on process signals from various devices constituting a plant to monitor the processes of the entire plant.

FIG. 3 is a block diagram showing an example of a process monitoring device that monitors such processes.

The process monitoring device shown in this figure includes a process monitoring device main body 101 that monitors each process based on various signals output from each process of the plant, and a message printing device 1 that prints out various messages.
02, a speaker 103 that generates an alarm, and an operator console 104 that displays various displays necessary for monitoring the plant.

The process monitoring device main body 101 includes a process control unit 105 that captures various signals output from each process.
and a process data processing section 106 that processes various signals taken in by the process quantity input section 105 to determine the operating status of the plant, the presence or absence of an abnormality, etc., and message information is output from the process data processing section 106. a message printing section 107 that takes in the message when the process data processing section 106 outputs the alarm command and outputs it to the message printing device 1. an output section 108 and the process data processing section 10
A screen display unit 1 that captures display data output from 6 and supplies it to the operator console 104.
09.

The operating status of the plant is monitored based on various signals output from each of the processes, and this is displayed on the CRT of the operator console 104. If any of the processes becomes abnormal, the speaker 10
3 generates an alarm and notifies the operator etc., the contents of the abnormality are displayed on the CRT, and further the contents of the abnormality are printed out from the message printing device 3.

In this way, process monitoring equipment detects failures and abnormal conditions in each process based on various information coming from the plant, sounds an alarm, displays failure information, prints abnormal messages, etc., and informs the operator. Call for attention and quickly respond to abnormal conditions in the plant.

In this case, when an alarm is sounded by the process monitoring device, the operator stops the alarm, grasps the details of the abnormality using the message printing device, and confirms the details of the abnormality on the CRT screen displayed automatically or by the operator's operation. .

(Problems to be Solved by the Invention) However, in some plants monitored by the above-described conventional process monitoring device, there are cases where the operator of the process monitoring device is absent at night and the plant is completely unmanned. This is a case in which there are very few cases in which a plant failure occurs during that time, and even if a failure occurs, it is only a failure that does not immediately impede the operation of the plant.

In the case of such plants, if a failure occurs while the operator is away, the process monitoring equipment will
Since the alarm sounds and the CRT screen is displayed regardless of whether the user is present, the alarm continues to sound and the CRT screen is displayed until the operator comes to the process monitoring device and stops the alarm.
The screen of the display device also remains displayed even though there is no operator present.

As a result, problems have arisen, such as unnecessary use of the alarm device, hastening the deterioration of the device, and causing burn-in of the screen of the CRT display device.

In view of the above circumstances, the present invention can prevent unnecessary alarms from being issued when the operator is absent, thereby extending the life of the device, and
It is an object of the present invention to provide a process monitoring device that can prevent burn-in of an RT screen.

[Structure of the invention]

(Means for Solving the Problems) In order to achieve the above object, a process monitoring device according to the present invention monitors the state of the plant by capturing various signals output from each process of the plant. A process data processing unit that determines the state of each of the processes based on various signals output from each of the processes, and when alarm information is output from the process data processing unit if an alarm prohibition mode is not set. an alarm suppression control unit that causes the alarm device to output an alarm, and when an alarm prohibition mode is set, prevents the alarm device from outputting an alarm even if alarm information is output from the process data processing unit. It is characterized by

(Function) In the above configuration, if the alarm prohibition mode is not set, the alarm suppression control section causes the alarm device to output an alarm when alarm information is output from the process data processing section, and the alarm prohibition mode is set. If so, the alarm device is prevented from outputting an alarm even if alarm information is output from the process data processing section.

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

The process monitoring device shown in FIG. 1 includes a process monitoring device main body 1 that performs monitoring processing of each process based on various signals output from each process constituting the plant;
A message printing device 2 that prints out various messages, a speaker 3 that generates an alarm, and the various commands necessary to control the process monitoring device main body 1, and for monitoring each process. It is equipped with an operator console 4 that performs various necessary displays.

The operator console 4 includes a CRT display device 12 for displaying display data output from the process monitoring device main body 1 and a keyboard device 13 operated by an operator or the like.
When display data is output from the CRT display device 12, it is displayed on the CRT display device 12. Further, the keyboard device 13
When the operator is operated and an operator absence command, operator absence time command, etc. are input, signals corresponding to these commands are generated and supplied to the process monitoring apparatus main body 1.

The process monitoring device main body 1 includes a process quantity manpower section 5,
Process data processing unit 6, message printing unit 7, alarm output unit 8, screen display unit 9, failure determination unit 10, C
RTR is equipped with 7 manpower departments and 1 above.

The process amount input section 5 takes in various signals outputted from each of the processes, converts the signals into signals in a predetermined signal format, and then co-supplies the signal to the process data processing section 6 .

A process data processing section 6 processes various signals taken in by the process quantity human power section 5 to judge the operating status of the plant, the presence or absence of an abnormality, etc., and sends the judgment results to the message printing section 7 and the failure determination section 10. supply

When message information is output from the process data processing section 6, the message printing section 7 takes in the message information and outputs it to the message printing device 2.

In addition, CRTR7 Human Power Department Above 1 Operator Console 4
When a command such as an operator absence command or an operator absence time command is output from the computer, the command is taken in and supplied to the failure determination section 10.

When no operator absence command or operator absence time command is output from the CRT input section 11, the failure determination section 10 takes in the alarm signal output from the process data processing section 6 and sends it to the alarm output section 8 and the screen display section. supply,
Further, when an operator absence command or an operator absence time command is output from the CR7 human power section 11, the process data processing section The capture of the output alarm signal is stopped, and the supply of the alarm signal to the alarm output section 8 and the screen display section is stopped.

The alarm output unit 8 takes in an alarm command when it is output from the process data processing unit 6 and causes the speaker 3 to output an alarm sound.

Further, when display data is output from the process data processing section 6, the screen display section 9 takes in the display data and displays it on the CRT display device 12 of the operator console 4.

Next, the operation of this embodiment will be explained with reference to the flowchart shown in FIG.

First, the process monitoring device main body 1 monitors the operating state of the plant based on various signals output from the process, and displays this on the CRT display device 12 of the operator console 4.

If the state of the process becomes abnormal, the process data processing unit 6 detects this, generates an abnormality/failure signal, and supplies this to the failure determination unit 10.

Also, at this time, the process data processing section 6 supplies the contents of the abnormality and failure to the message printing section 7, and causes the message printing device 3 to print out the contents of the abnormality and failure in the process.

When the failure determination unit 10 receives an abnormality or failure signal from the process data processing unit 6, it checks whether an operator absence command has been input manually from the keyboard device 13 of the operator console 4 (step 5T1).
, if this has not been input, the current time is read from a timer (not shown) (step 5T2).

After this, the failure determination unit 10
Step 5T3) Check whether an operator absence time command has been input from the keyboard device 13 of the computer.
, if this has not been input, the above-mentioned abnormality and failure signals are taken in to generate an alarm signal, which is supplied to the alarm unit 8 to output an alarm sound from the speaker 3 (step 5T4), and also generates failure screen display data. This is then supplied to the screen display section 9, and the contents of the abnormality and failure are displayed on the CRT display device 12 of the operator console 4 (step 5T5).

In addition, in the operator absence command manual check operation described above (step 5T1), if the operator absence command is manually inputted from the keyboard device 13 of the operator console 4, the failure determination unit 1o performs the above-mentioned alarm output operation, abnormality details, and failure content display. The alarm sound is not emitted from the speaker 3 by skipping the operation, and the CRT display device 1
2 Prevent the warning screen from being displayed on the screen.

In addition, in the above-described operator absence time command hole check operation (step 5T3), the operator console 4
If the operator non-time column command is entered manually from the keyboard device 13, the failure determination unit 10 determines whether the current time read from the timer is included in the absence time specified by the operator absence time command. However, if the current time is within the absence time, the above-mentioned alarm output operation and abnormal content/failure content display operation are skipped to prevent the output of the alarm sound from the speaker 3, and the C
To prevent an alarm screen from being displayed on the RT display device 12.

Further, if the current time is not within the absence time (step 5T3), the failure determination unit 10 performs the above-mentioned alarm operation processing and operation of displaying the details of the abnormality and the details of the failure, and outputs an alarm sound from the speaker 3 ( Step 5T4),
An alarm screen is displayed on the CRT display device 12 (step 5T5).

As described above, in this embodiment, simply by operating the keyboard device 13 of the operator console 4 and inputting an operator absence command or an operator absence time command to indicate that the operator is absent or the time during which the operator will be absent, Unnecessary alarms can be prevented from being issued when the operator is absent, thereby extending the life of the device and preventing burn-in on the CRT screen.

〔Effect of the invention〕

As explained above, according to the present invention, unnecessary alarms can be prevented from being issued when the operator is absent, thereby extending the life of the device and preventing burn-in on the CRT screen. Can be done.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of a process monitoring device according to the present invention, FIG. 2 is a flowchart showing an example of the operation of the same embodiment, and FIG. 3 is an example of a conventionally known process monitoring device. It is a block diagram. 1... Process monitoring device main body 3... Alarm device (speaker) 4... Alarm device (operator console) 6... Process data processing section

Claims (1)

[Claims] (1) In a process monitoring device that monitors the state of the plant by capturing various signals output from each process of the plant, process data that determines the state of each process based on the various signals output from each process. a processing unit; and when an alarm prohibition mode is not set, an alarm is output from an alarm device when alarm information is output from the process data processing unit, and when an alarm prohibition mode is set, the process data is output. A process monitoring device comprising: an alarm suppression control section that prevents the alarm device from outputting an alarm even if alarm information is output from the processing section.