JPH05225139A - Process monitoring and control equipment - Google Patents

Abstract

PURPOSE:To easily and securely prevent operation by a 3rd party and to facilitate key control by giving a monitoring and control station operation restrictions matching operator levels and limiting operators. CONSTITUTION:A system supervisor previously inputs and stores information on an operation control level, etc., on an ID card issued by a work station 11 for ID control, and an operator inserts his own ID card into a process console 10. The MPU transmission controller 112 of the work station 11 for ID control retrieves the ID number received from a process controller 10 by using the previously stored ID number and matches information on the previously stored password number with the information on the password information received from the process controller 10. When the both match each other, the previously stored operation control level is sent to the process console 10, but when the both do not match each other, the highest operation suppression level is sent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a process monitoring control device for monitoring process information and performing a driving operation, and in particular, restricts an operator by applying an operation restriction suitable for an operator level,
The present invention relates to a process monitoring control device capable of easily and surely preventing an operation by a third party and simplifying key management.

[0002]

2. Description of the Related Art Conventionally, in various plants, a process monitoring control device for monitoring process information and performing operation is often used. In such a process monitoring control device, when the process information is monitored and a driving operation is performed, operation permission / permission is given to various functions of the process monitoring control device according to the skill and the operation purpose of the operator involved in the operation. Prohibition measures need to be taken. for that reason,
Usually, a key switch is provided.

FIG. 4 is a block diagram showing an example of the overall configuration of this type of process monitoring and controlling apparatus. In FIG. 4, the process monitoring control device includes a process console 1 which is a monitoring control station, and a process controller 2.
It is configured to be connected to the transmission bus 3. The process console 1 includes a CRT / keyboard 11, a key switch 12, an operation controller 13, an MPU 14,
It comprises a transmission controller 15. Furthermore, the key switch 12 has a structure as shown in FIG. That is, "normal operation", "maintenance operation", and "operation prohibition" are given as contact information according to the turning position of the switch.

In such a process monitoring control device,
Contact information from the key switch 12 is the operation controller 1
3, the operator's command from the keyboard of the CRT / keyboard 11 is validated or invalidated in the MPU 14 based on the determination result.
A message indicating that the operation is prohibited is issued to the RT / keyboard 11 CRT.

In a large-scale process control system, many same process consoles are often installed for various processes. In this case, the key switch 12 has a limited number of types of keys, becomes a common key for a plurality of process consoles, and cannot set the operation permission / prohibition level for the operator. As a result, there is a problem that the operation by a third party cannot be prevented. Moreover, since there are various kinds of keys, there is a problem that key management becomes complicated.

[0006]

As described above, in the conventional process monitoring and controlling apparatus, not only the operation by a third party cannot be prevented, but also the key management becomes complicated.

An object of the present invention is to restrict the operator by adding operation restrictions suitable for the operator level, so that the operation by a third party can be easily and surely prevented, and the key management can be simplified. Another object of the present invention is to provide a highly reliable process monitoring control device.

[0008]

In order to achieve the above object, the present invention reads an ID number of an ID card inserted by an operator and inputs the personal identification information by the operator. A message transmitting means for transmitting the ID number and the personal identification information from the means, a message receiving means for receiving the information of the operation suppression level, and a means for suppressing the operation performed by the operator by the information of the operation suppression level from the message receiving means. Then, a monitoring control station that monitors the process information and performs a driving operation, an input storage unit that inputs and stores in advance the ID number of the issued ID card, the individual identification information unique to the operator, and the operation suppression level, the monitoring control The ID number received from the station is searched from the previously stored ID number, and the monitoring control station is searched. Retrieval collating means for collating the personal identification information received from the personal identification information stored in advance, information of the operation suppression level stored in advance according to the operator recognized by the search / collation of the search collating means And a work station for ID management having a message sending means for sending the message to the supervisory control station.

Particularly, in the process monitoring control apparatus according to the first aspect, a recording means for recording the information of the operation suppression level transmitted to the monitoring control station and the operation completion information of the operator is used for ID management. It is attached to the workstation. Further, as the personal identification information, a voice diaphragm, a finger diaphragm, and a retina pattern are used as necessary in addition to the personal identification number.

[0010]

Therefore, in the process monitoring and control apparatus of the present invention, the ID number, the personal identification information, and the operation suppression level information are input and stored in advance in the ID management workstation by a special manager.

Next, the operator inserts an ID card into the input means of the supervisory control station and inputs the personal identification information, so that the ID management workstation receives the ID.
The number and personal identification information is sent.

On the other hand, the ID management workstation receives the I number received from the ID number stored in advance.
The D number is retrieved, and the personal identification information stored in advance is compared with the personal identification information received from the monitoring control station. As a result, if both match, the pre-stored operation suppression level is transmitted, and if both do not match, the highest operation suppression level is transmitted to the supervisory control station. Next, in the supervisory control station, the operation performed by the operator is suppressed based on the operation suppression level received from the ID management workstation.

Finally, after the operator's operation is completed, the operator pulls out the ID card inserted into the input means of the monitoring and control station to switch to the highest operation suppression level, and the operator's operation completion information. Is transmitted to the ID management workstation.

As described above, when the supervisory control station is operated, the operator is easily and surely recognized, and the supervisory control station is restricted by the operation limitation suitable for the operator level. By doing so, it is possible to easily and reliably prevent operations by a third party, and the ID card carried by the operator becomes the operation key.
Key management can be simplified.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing an example of the overall configuration of a process monitoring control apparatus according to the present invention. In FIG. 1, the process monitoring control apparatus according to the present embodiment includes a process console (actually, a plurality of units) 10, which is a monitoring control station, an ID management workstation 11,
The process controller 12 and the process controller 12 are connected to the transmission bus 13.

The process console 10 monitors the process information and carries out a driving operation.
A keyboard (actually, a plurality of process consoles are provided) 101, a card input device 102 that is an input unit, an operation controller (actually, a plurality of process consoles are provided) 103,
It is composed of an MPU 104 and a transmission controller 105 which is a message transmitting / receiving means.

Further, the ID management workstation 1
1 is a CRT / keyboard 111 which is an input storage means
And an MPU / transmission controller 112 and a printer 113 which is a recording unit. Where CRT /
The keyboard 101 is for the operator to give an operation command and to display monitoring information and the like.

The card input device 102 is for reading the ID number of the ID card inserted by the operator and for the operator to input the personal identification number as personal identification information. FIG. 2 is an external view showing a configuration example of the card input device 102, including a card insertion portion 102a and a ten-key pad 10.
It consists of 2b.

Further, the operation controller 103 uses the ID
The operation command from the CRT / keyboard 101 is suppressed based on the operation suppression level information from the management workstation 11. Further, the MPU 104 performs normal process monitoring control.

Further, the transmission controller 105 transmits the ID number and personal identification information from the card input device 102 to the ID management workstation 11, and
The information on the operation suppression level is received from the ID management workstation 11.

On the other hand, the CRT / keyboard 111 pre-inputs the ID number of the issued ID card, the personal identification number information unique to the operator, and the operation suppression level information and stores them in the MPU / transmission controller 112. It is a thing.

Further, the MPU / transmission controller 112
Is a search for searching the ID number received from the monitor control station 10 from the ID number stored in advance, and comparing the personal identification number information received from the monitor control station 10 with the stored personal identification number information. The collation function and the search collation function have a function of transmitting the information of the operation suppression level stored in advance to the monitoring control station 10 in accordance with the operator recognized. Further, the printer 113 is for recording the information on the operation suppression level and the operation end information of the operator transmitted to the monitoring control station 10. Next, the operation of the process monitoring control apparatus of this embodiment configured as described above will be described using the flow chart shown in FIG.

First of all, the ID of the ID card issued by the system administrator from the ID management workstation 11
D number, operator's unique PIN number, process control station number giving operation permission, console number,
And the information on the operation suppression level is input and stored in advance.

Next, the operator uses the process console 10
Card insertion unit 102a of the card input device 102 installed in the process console 10 when performing the operation
Insert the ID card you carry with you. As a result, the micro switch (not shown) is closed by the weight of the ID card, and the ID number (for example, barcode) written on the ID card is read. Next, the operator uses the ten-key pad 102b of the card input device 102 to input his / her own personal identification number.

Next, when the input of the ID number and the personal identification number is completed in this way, the ID number, personal identification number, station number and console number are transferred to the transmission controller 105.
By this, the ID management workstation 11 is notified via the transmission bus 13, and the processing is performed according to the processing flow shown in FIG.

That is, in the MPU / transmission controller 112 of the ID management workstation 11, the process console 1 uses the ID number stored in advance.
The ID number received from 0 is searched, and the information of the secret code stored in advance is compared with the information of the secret code received from the process console 10. As a result, if the two match, the operation suppression level stored in advance is sent to the process console 10, and if the two do not match, the highest operation suppression level is sent to the process console 10. At the same time, the operation start record is recorded in the printer 11.
3 is output.

On the other hand, in the operation controller 103 of the process console 10, the ID management workstation 1
The operation suppression level of the process console 10 is set according to the operation suppression level notified from 1, so that an operation command from the CRT / keyboard 101 by the operator is suppressed and cannot be accepted.

As described above, when the operator's operation is completed, the operator pulls out the ID card from the card input device 102, but detects that a micro switch (not shown) is opened, and the process console 10 displays the ID. The operation suppression level notified from the management workstation 11 is canceled and no operation is accepted.

At the same time, the transmission controller 105 notifies the ID management workstation 11 of the card withdrawal information via the transmission bus 13,
The operation end record is output to the printer 113.

As described above, the process monitoring control apparatus of the present embodiment monitors the process information and carries out the driving operation, and the CRT / display for displaying the monitoring information etc. while the operator gives the operation command. A keyboard 101, a card input device 102 for reading an ID number of an ID card inserted by an operator, and an operator inputting a personal identification number, and an ID management workstation 1.
The operation controller 103 for suppressing the operation command from the CRT / keyboard 101 based on the operation suppression level information from the MPU 10 and the MPU 10 for performing normal process monitoring control
4. The process console 10 including the transmission controller 105 that transmits the ID number and the personal identification information from the card input device 102 to the ID management workstation 11 and receives the operation suppression level information from the ID management workstation 11. And the ID number of the issued ID card, the information of the personal identification number of the operator, and the information of the operation suppression level, which are input in advance and stored in the MPU / transmission controller 112, the CRT / keyboard 111, and the monitoring control station 10. ID received from
Search the number from the pre-stored ID number,
In addition, a search and collation function for collating the personal identification number information received from the monitoring and control station 10 with the personal identification number information stored in advance, and a prestored operation according to the operator recognized by the search and collation function From the MPU / transmission controller 112 having a function of transmitting the suppression level information to the monitoring control station 10, the printer 113 for recording the operation suppression level information transmitted to the monitoring control station 10, and the operation completion information of the operator Naru ID management workstation 11
And the process controller 12. Therefore, the following effects can be obtained.

(A) When the process console 10 is operated, the operator can be easily and surely recognized, and the operation console 10 is restricted by the operation restriction suitable for the operator level. Thus, it becomes possible to easily and surely prevent an operation by a third party.

(B) The ID card carried by the operator serves as an operation key, and security can be maintained by using this together with the collation of the personal identification number, and the key management can be simplified.

(C) ID management workstation 11
In the above, since the system administrator or the person in charge can centrally manage the ID number, it is possible to arbitrarily disable the ID card carried by the operator and maliciously interfere with the process. It is possible to eliminate operators who operate.

In the above embodiment, the case where the personal identification number is used as the personal identification information peculiar to the operator has been described. However, in addition to this, by using voice diaphragm input, finger diaphragm reading, retina pattern, etc., The operator can be specified in the ID management workstation 11 based on the input information.

[0036]

As described above, according to the present invention, the input means for reading the ID number of the ID card inserted by the operator and for the operator to input the personal identification information,
A message transmitting means for transmitting the ID number and the personal identification information from the input means, a message receiving means for receiving the operation suppression level information, and a means for suppressing the operation performed by the operator by the operation suppression level information from the message receiving means. A monitor control station that has the process information and monitors the process information, and the ID number of the issued ID card,
Input storage means for previously inputting and storing personal identification information unique to the operator and operation suppression level information, ID number received from the monitoring control station is searched from prestored ID number and received from the monitoring control station Search collation means for collating the stored personal identification information with prestored personal identification information, and monitoring the pre-stored information of the operation suppression level according to the operator recognized by the search and collation of the search collation means I having message sending means for sending to control station
Since it was configured with a D management workstation,
An extremely reliable process monitoring control that can restrict the operator by adding the operation restriction suitable for the operator level, prevent the operation by a third party easily and surely, and simplify the key management. A device can be provided.

[Brief description of drawings]

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

FIG. 2 is an external view showing an example of the overall configuration of a card input device in the embodiment.

FIG. 3 is a flowchart for explaining the operation of the ID management workstation side in the embodiment.

FIG. 4 is a block diagram showing an example of the overall configuration of a conventional process monitoring control device.

5 is an external view showing a configuration example of a key switch in FIG.

[Explanation of symbols]

10 ... Process console, 11 ... ID management workstation, 12 ... Process controller, 13 ... Transmission bus, 101 ... CRT / keyboard, 102 ... Card input device, 102a ... Card insertion part, 102b ... Numeric keypad, 103 ... Operation controller, 104 ... MPU, 10
5 ... Transmission controller, 111 ... CRT / keyboard,
112 ... MPU / transmission controller, 113 ... Printer.

Claims (3)

[Claims] 1. A message transmission for reading an ID number of an ID card inserted by an operator and inputting means for the operator to input personal identification information, and transmitting the ID number and personal identification information from the input means. Means, message receiving means for receiving information on the operation suppression level, and means for suppressing the operation performed by the operator based on the information on the operation suppression level from the message receiving means, and monitoring process information and performing a driving operation The control station, an input storage means for previously inputting and storing the ID number of the issued ID card, the personal identification information unique to the operator, and the information of the operation suppression level, and the ID number received from the monitoring control station are stored in advance. ID
Retrieval and collation means for retrieving from the number and collating the personal identification information received from the monitoring and control station with the personal identification information stored in advance, according to the operator recognized by the retrieval / collation of the search and collation means And a work station for ID management having a message transmitting means for transmitting the information of the operation suppression level stored in advance to the supervisory control station, the process supervisory control apparatus. 2. The process monitoring control apparatus according to claim 1, further comprising: a recording unit that records the operation suppression level information transmitted to the monitoring control station and the operation completion information of the operator. A process monitoring control device characterized by being added to a station. 3. The process monitoring control apparatus according to claim 1, wherein, as the personal identification information, a voice diaphragm, a finger diaphragm, and a retina pattern are used as necessary in addition to a personal identification number.