JPS6356800A - Display device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a display device that displays the status of operation, selection, operation, abnormality, etc. of equipment in a plant, for example.

(Prior Art) There is a conventional equipment status display device configured as shown in FIG. These are fault indicators 31a and 31b that indicate equipment abnormalities when there are, for example, three pieces of equipment with the same function.
, 31c (generally referred to as TE 31), a selection display 32a that displays equipment selection operations.

32b, 32C1 Equipped with operation indicators 33a, 33b, 33c that display the operating status of the equipment.

(Problem to be Solved by the Invention) The operation indicators 33a to 33c are provided with indicators that separately display the operating state and the stop state, so in the case of three equipments, the number of indicators is four. x3 gives 12 points. This means that as the number of equipment increases, the display space will become considerably larger and the number of displays will also increase, which means that the equipment that drives them will also need a larger capacity and number of points, making it difficult to monitor large-scale plants. This was a big constraint when doing so.

The present invention can be realized by adding 7 display units to the number of equipment, thereby reducing space and simplifying the configuration.

The purpose is to provide a display device that can.

[Structure of the Invention] (Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention provides a display device for displaying the status of each of the same pieces of equipment, which corresponds to each piece of equipment. an individual equipment indicator provided for each equipment, a single equipment common indicator provided for all of the above equipment, and an operating status signal that indicates equipment operation, suspension status, etc. as a low signal from each of the equipment. , and a controller that inputs a selection state signal indicating a selection operation state of the equipment and an abnormal state signal indicating an abnormal state of the equipment, and provides a display output to each of the indicators.

(Function) By configuring as described above, the operation, selection, and abnormal state of the equipment can be displayed using one more display than the number of the plurality of equipment.

(Example) Hereinafter, an example of a display device according to the present invention will be described. FIG. 1 is a schematic configuration diagram showing one embodiment of the equipment.
Equipment 2. This is the case for equipment 3, and these correspond to signals a, b, c, respectively, described below. That is, individual indicators 1a, lb, 1c corresponding to equipment 1, 2.3,
It is composed of an equipment common display 2 corresponding to the equipment 1, 2 and 3, and a controller 3 described below. This controller 3 has equipment operation status signals 11a, 11b, 11c corresponding to the equipment 1, 2.3 and equipment operation selection signals 12a, 12b corresponding to the equipment 1, 2.3.

12c and equipment failure signal 13a corresponding to equipment 1, 2.3
, 13b, 13c, a failure confirmation signal 14, and a failure recovery signal 15, respectively, and output the display output signals 4a to 4C to the individual displays 1a to 1C and the common display 2.
It provides a display output signal 5 for the .

Hereinafter, the operation of the display device of the present invention configured as described above will be explained with reference to FIGS. 2, 3, 4, and 5. As shown in FIG. 2, in step S1, there is no display return signal input to the controller 3.
A determination is made as to whether or not a fault signal exists or a fault signal exists in the equipment. If there is a failure in the equipment, a failure display routine is executed in step S2, and if there is no failure in the equipment, in step $3, a selection is made to select whether to select equipment operation or not. make a judgment.

When the equipment operation selection is "Yes", a selection operation processing routine is executed at step $4, and when the equipment selection operation is "absent", a status display processing routine is executed at step $5. Such a routine will be sequentially explained with reference to FIGS. 3 to 5.

Operating status signal 1 of equipment 1 which is input to controller 3
1a is on, and signals 12a to 12c, 13a to 13c, and 15.16, which are input to the other controllers 3, are all off, the flowchart shown in FIG. 3 is executed. In step 8101, it is determined whether the equipment 1 is in operation. When the operating state signal 11a of the equipment (Ml) is on, the equipment 1 individual indicator 1a lights up in step 811, and when the operating state signal 11a is off, the equipment 1 individual indicator 1a is turned off in step 812,
In step 813, it is determined whether one or more pieces of equipment are in operation, and if one or more pieces of equipment are in operation, step S14
A process of lighting up the equipment common display 2 is performed.

As a result, the display signal 4a to the equipment 1 individual display 1a, which is the output of the controller 3, and the display signal 5 to the equipment common display 2 are turned on, and the equipment 1 individual display 1a and the equipment common display 2 are turned on. . In step 813, if it is determined whether one or more pieces of equipment are in operation, if no piece of equipment is in operation, a process is performed in which the common equipment indicator 2 is turned off in step 815.

The above-mentioned status display processing routine similarly includes steps 816 to 818 and step 819 in equipment 2.3.
~S21 is executed.

Next, in FIG. 1, for example, when the equipment 2 operation selection signal 12b, which is an input to the controller 3, is turned on, a selection operation processing routine is executed in the flowchart of FIG. Now, in step 830 of the flowchart of FIG. 4, the operation selection signal 12b of equipment 2 is on, so in step 831, the individual display 1b of equipment @2 flickers, and the operating status signal 11b of equipment 2 is turned off. Therefore, in step 833, processing is performed to turn off the equipment common display 2. Therefore, the display signal 4 to the equipment 2 individual display 1b which is the output of the controller 3
b becomes a flicker, and the equipment 2 individual display 1b displays a flicker. Further, the display signal 5 to the equipment common display 2 is turned off, and the equipment common display 2 is turned off.

At this time, if the equipment 2 enters the operating state, the operating state signal 11b of the installation 1W2 is turned on in step 832, so the display signal 5 to the equipment common display 2 is turned on, and in step 334, the equipment common display 2 is turned on. Light. If the selection operation signal 12b of the equipment 2 is turned off here, the routine of the above-mentioned status display processing is performed as shown in FIG. 3. That is, in step 810, the operating state signal 11a of the equipment 1 is
Since the operation status signal 11b of the equipment 2 is on in step 816, the display signal 4a to the equipment 1 individual display 1a is on in step 811, and the display signal 4a to the equipment 2 individual indicator 1b is on in step 817. Since the display signal 4b is turned on, the equipment 1 individual display 1a and the equipment 2 individual display 1b are lit stationary, and furthermore, in step 81
At step 4, the equipment common indicator 2 lights up stationary.

The selection operation processing routine in FIG. 4 described above is based on the equipment 1,
3, steps 835 to 339 and steps 840 to 344 are similarly executed.

Next, in FIG. 1, when the equipment 1 has the failure signal 13a turned on and the equipment 1 operating state signal 11a turned off,
In the flowchart of FIG. 2, a failure display processing routine is executed. Step 3 of the flowchart in Figure 5
At step 50, a failure condition of equipment 1 is determined, and step 8
In step 51, it is determined whether or not there is a failure confirmation operation, and in step 852, the individual display 1a of the equipment 1 is flickered, and in step 353, the common equipment display 2 is flickered. As a result, the configuration shown in Figure 1 (n 1
The display signal 4a to the individual display 1a and the equipment common display 2
The display signal 5 is flickered, and the equipment common display 1a and the equipment common display 2 are displayed in flicker.

If the failure confirmation signal 14 is turned on here, the equipment 1 individual display 1a is flickered for a long period in step 854 of the flowchart in FIG. In step 856, it is determined whether or not there is a failure confirmation operation, and in step 857, a process of lighting up the equipment common display 2 is performed. Therefore, the display signal 4a for the equipment 1 individual display 1a in FIG. 1 is set as a long-period flicker, the display signal 4b for the equipment 2 individual display 1b is turned on as before, and the display signal 5 for the equipment common display 2 is turned on. , the equipment 1 individual display 1a displays a long-period flicker, the equipment 2 individual display 1b lights up stationary, and the equipment common indicator 2 lights up statically.

Next, when the failure recovery signal 15 is turned on in this state, the routine for status display processing is executed in the flowchart of FIG. 2, and in step 812 of the flowchart of FIG. In step 817, the equipment 2 individual indicator 1b is turned on stationary, and in step 814, the equipment common indicator 2 is turned off.
Performs the process of turning on the light in a static state. Therefore, the display @ 4a for the equipment 1 individual display 1a in FIG. ] The separate display 1a is turned off, and the equipment 2 individual display 1b and the equipment common display 2 are turned on.

The failure display processing routine shown in FIG. 5 described above is based on the equipment 2.
Similarly, in step 3, steps 858 and 359 to
863. Note that in step 864, if there is a failure confirmation operation in step 863, it is determined whether one or more pieces of equipment are in operation. Step 8
65 is for lighting the equipment common display 2 in a static state when it is determined in step 864 that one or more equipments are in operation.

Step 866 turns off the equipment common display 2 when it is determined in step 864 that one or more equipments are not in operation.

As described above, in a system where there are multiple pieces of the same equipment, there are individual equipment indicators 1a to 1C that correspond one-to-one with each piece of equipment, and one equipment common indicator 2 that is common to the multiple pieces of equipment. , and the equipment individual indicators 1a to 1C and the equipment common indicator 2 are displayed according to the status of the equipment as described below. That is, when the equipment is in operation, the equipment individual indicators 1a to 1C are lit,
At the same time, the equipment common indicator 2 is turned on, thereby informing the operator that the equipment is in operation. Further, when operating the equipment, the individual equipment indicators 1a to 1C are flickered, and at the same time, the equipment common display 2 displays the operating status of only the selected equipment. Furthermore, when the above-mentioned equipment is out of order, the installation #individual indicators 1a to 1C of the faulty equipment are flickered, and at the same time, the equipment common display 2 is also flickered. The operating status is displayed, and the equipment individual indicators 1a to 1C can display a flicker display with a long period. Furthermore, the operating status can be displayed on the equipment individual displays 1a to 10G by the operator's failure recovery operation.

For this reason, what conventionally required the number of equipment x 4 indicators can be realized with equipment + 1 indicator according to the embodiment of the present invention, and the space is accordingly reduced. At the same time, the configuration can be made into an electric flux.

Note that the present invention is not limited to the embodiments described above, and can be modified as follows. By changing the flicker period in the flowchart in Fig. 4 and the flicker period in the flowchart in Fig. 5, if the flicker period in Fig. 5 is made faster, operators can be more aware of failures and can respond quickly to equipment. Can be done.

[Effect of the invention 1] According to the present defense, in a display@place where there are multiple identical pieces of equipment and the status of each of the pieces of equipment is displayed, the individual equipment indicators provided corresponding to each of the pieces of equipment and the display for all of the pieces of equipment mentioned above are provided. one equipment common display provided in the equipment, an operating state signal indicating equipment operation, a resting state, etc. as information signals from each of the equipment, and a selection state signal showing the selection operation state of the equipment;
Since it is equipped with a controller that inputs an abnormal state signal indicating the abnormal state of the equipment and provides a display output to each of the indicators, the equipment can This can be achieved with the number of display points + 1,
A display device that can reduce space and simplify □ can be provided.

[Brief explanation of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of a display device according to the present invention, FIGS. 2 to 5 are flowcharts showing the operation of the same embodiment, and FIG. 6 shows an example of a conventional display device. It is a schematic block diagram. 1a...Equipment 1 individual display, 1b...Equipment 2 individual display, 1C...Equipment 3 individual display, 2...Equipment common display, 3...Controller, 4a to 4C...・Equipment individual display signal, 5...Equipment common display signal, 11a to 1
1c...equipment operation status signal, 12a-12c...equipment operation selection signal, 13a-13c...equipment failure signal,
11... Failure confirmation signal, 15... Failure recovery signal, 3
18~31G...Equipment failure indicator, 32a~32C・
...Settings (-Mi selection display, 33a to 33c...Equipment operation display. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 3

Claims (1)

[Claims] In a display device that displays the status of each piece of equipment when there are multiple units of the same piece of equipment, an individual piece of equipment display that is provided corresponding to each of the pieces of equipment mentioned above, and one piece of equipment common display that is provided for all of the pieces of equipment mentioned above. , as information signals from each of the above-mentioned facilities, an operation state signal indicating the facility operation, idle state, etc., a selection state signal indicating the selection operation state of the above-mentioned facility, and an abnormal state signal indicating the abnormal state of the above-mentioned facility are input, respectively. , and a controller that provides a display output to each of the above-mentioned display devices, and is capable of displaying the operation, selection, and abnormal status of each facility using one more display device than the number of the plurality of facilities.