JPH0793492A - Id plate system - Google Patents

Abstract

PURPOSE:To provide an IC plate system whereby communication between a question equipment and a responce equipment can be displayed and communication check at the time of maintenance is efficiently executed. CONSTITUTION:The system is provided with a programmable controller 1, the question equipment 2 outputting a command signal based on a communication instruction which is outputted from the programmable controller 1 and the responce equipment 3 receiving the command signal outputted from the question equipment 2 so as to output a responce signal based on the received command signal. The question equipment 2 identifies a travelling object based on the responce signal outputted from the responce equipment 3 and also displays communication data exchanged with the responce equipment 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a moving body identifying apparatus, and more particularly to an ID plate system such as an entrance / exit management system, a commuter ticket automatic ticketing system, and a ski lift boarding system.

[0002]

2. Description of the Related Art A conventional ID plate system is composed of a fixedly arranged interrogator and a transponder mounted on a moving body.

FIG. 11 shows a structural example of a conventional ID plate system.

The interrogator is a moving body identification device (controller)
And the question antenna.

The interrogator transmits a read or write command to the responder via the interrogation antenna according to a command from the programmable controller.

When the command from the interrogator is read, the information at the specified address is read from the memory of the responder and the data is transferred to the interrogator. The interrogator that has received the information from the responder transfers the information to the programmable controller (PC) when it finishes receiving the specified amount of information. When the command from the interrogator is writing, the write data information (information from the PC) transmitted following the command command is received and stored at the specified address in the memory.

In the conventional ID plate system, there is no function of displaying communication data in an interrogator, and when displaying communication data, a method of transferring data from the PC to the display using a general-purpose communication port of the PC or a general-purpose PC Send data to the PC using the communication port,
Display on the computer screen at the same time as transferring to the interrogator. Further, a method in which the data from the interrogator is transferred to the computer via the PC and displayed on the screen of the computer can be considered.

[0008]

In the conventional method of transferring the communication data of the ID plate system to the display device via the general-purpose communication port of the programmable controller (PC), (a) the monitor display via the PC is performed in real time. Lacks sex. (B) It becomes complicated because the display software is required for the PC. (C) It is uneconomical to install a display near the interrogating antenna. (D) There are problems such as lack of maintainability of the ID plate system.

In addition to the above (a) to (d), there is a problem that the whole system becomes large-scale and complicated when it is performed through a computer.

In view of the above problems in the prior art, an object of the present invention is to provide an IC plate system capable of displaying communication data of an interrogator and a responder and efficiently performing communication check during maintenance. To do.

[0011]

SUMMARY OF THE INVENTION An object of the present invention is to provide a data processing means for outputting a communication command, an inquiry means for outputting a command signal based on a communication command output from the data processing means, and an output for the inquiry means. And a response unit that outputs a response signal based on the received command signal, and the interrogation unit identifies the mobile unit based on the response signal output from the response unit and responds to the response. This is accomplished by an ID plate system that displays communication data to and from the means.

[0012]

In the ID plate system of the present invention, the data processing means outputs a communication command, the interrogation means outputs a command signal based on the communication instruction output from the data processing means, and the response means outputs from the interrogation means. Receiving a command signal and outputting a response signal based on the received command signal, and the interrogating means identifies the mobile body based on the response signal output from the responding means and is transmitted / received to / from the responding means. Display communication data.

[0013]

Embodiments of the ID plate system of the present invention will be described below with reference to the drawings.

FIG. 1 shows the construction of an ID plate system in which an input / output device is added to an interrogation antenna which is a first embodiment of the ID plate system of the present invention.

The ID plate system of FIG. 1 is connected to a host device (programmable controller, personal computer, etc.) programmable controller (hereinafter abbreviated as PC) 1 and PC 1 which are data processing means for outputting a communication command. An interrogator 2, which is an interrogator that outputs a command signal based on a communication command output from the PC 1, and a command signal that is connected to the interrogator 2 and receives the command signal output from the interrogator 2 The response unit 3 is a response unit that outputs a response signal.

Further, the interrogator 2 comprises a moving pair identification device (hereinafter referred to as a controller) 21, an interrogation antenna 22 connected to the controller 21, and an input / output device 23 formed integrally with the interrogation antenna 22. ing.

The detailed structure of the interrogator 2 is shown in FIG.

As shown in FIG. 2, the interrogator 2 sends a "read" or "write" command to the responder 3 via the interrogation antenna 22 in response to a command from the PC 1.

Here, when the command from the interrogator 2 is read, the information of the commanded address is read from the memory (not shown) of the responder 3 and transferred to the interrogator 2.

The interrogator 2 which has received the information from the responder 3
When the reception of the specified amount of information is completed, the information is transferred to the PC 1.

On the other hand, when the command from the interrogator 2 is a write command, the responder 3 receives the write data information transmitted from the PC 1 following the command command and stores it at a specified address in a memory (not shown). To do.

As described above, the interrogator 2 includes the interrogation antenna 22 and the input / output device 23 having the control function and the communication function.
It consists of

The inquiry antenna 22 takes control timing of command transmission and response reception and converts an electric signal into a communication medium (microwave, infrared ray, electromagnetic induction, electromagnetic coupling, etc.) or a communication medium into an electric signal. .

The input / output device 23 is a clock generation circuit 23.
A central processing unit (hereinafter referred to as CPU) 2302 to which 01 is connected includes a system read-on memory (hereinafter referred to as system ROM) 2303 and a system random access memory (hereinafter referred to as system RAM) 230.
4, user random access memory (hereinafter referred to as user RAM) 2305, kanji character generator 2306, parallel input / output circuit 2307 and display control circuit 2308 realized by a large-scale integrated circuit, etc., via a data bus 2309 and an address bus 2310. Are connected to each other.

The address bus 2310 is also connected to the address decoder 2311, and is used by the address recorder 23.
11 is a system ROM 2303 and a system RAM 23
04, user RAM 2305, and kanji character generator 2306.

A key input 2312, a buzzer 2313, and a communication switching control output 2314 are connected to the parallel input / output circuit 2307.

The display control circuit 2308 includes a display RAM 2
Display unit 231 realized by 315 and a liquid crystal display device, etc.
6 is connected.

The CPU 2302 has a communication interface 2
317 is connected and is connected to the controller 21 and the inquiry antenna 22 via the communication interface 2317.

The input / output device 23 is provided with a power supply 2318, and is supplied from the outside (for example, from the controller 21).
A voltage of 5V is supplied and various voltages of the interrogation antenna 22 are output from the power supply 2318.

CPU 2302, communication interface 23
A peripheral circuit 2319 is connected to 17 and the like.

First, key input 2 to the input / output device 23
When the display mode is selected by 312, the signal for the actual communication is transmitted from the constant communication interface 2317 to C
The data is read into the PU 2302, the command and data from the controller 21 and the response and data from the responder 3 are analyzed by the CPU 2302, and the user RAM is stored in advance.
Register in 2305.

A name or the like corresponding to the transmission / reception data code is converted into Japanese, and the display control circuit 2308 and the display RAM 23 are used.
15, the display unit 2316 displays production information, process information, facility information, and quality information. Here, the communication data is 2
Hexadecimal or Hex code (Hexadecimal c
It is also possible to convert it into an ode) and display it. Also,
When a communication error etc. occurs, it displays what kind of communication error has occurred and enables maintenance maintenance.

Next, the key input 2 is input to the input / output device 23.
When the communication mode is selected by 312, the switching relay 2320 is turned off by turning on the communication switching control output 2314 connected to the parallel input / output circuit 2307, and the interrogation antenna 22 is turned on.
The communication line of the controller 21 is disconnected so that the input / output device 23 can communicate with the responder 3.

The functions of the ID plate system of the present invention are as follows: (1) Read function capable of reading an arbitrary number of bytes of data from an arbitrary area of the memory of the responder 3 (2) Optional memory of the responder 3 Write function that can write any number of bytes of data to the area (3) Memory clear function that can write the same data to any area of the memory of the responder 3 (4) The interrogator 2 automatically detects the presence of the responder 3 (5) Self-diagnosis of the transponder 3, such as self-diagnosis, enables all functions that can be performed by the controller 21 to be performed by the input / output device 23. It can be used as an input / output device when working with intervention.

The operation of the input / output device 23 of FIG. 1 will be described with reference to the flowchart of FIG.

First, the power is turned on and the input / output device (I /
(O) and random access memory (RAM) are initialized (301), and it is determined whether the setting is the online mode or the main menu at power-on (30).
2) If it is determined in step 302 that the setting is the online mode (YES), the online setting that enables processing such as data transmission / reception is performed (303).
The process proceeds to step 304 described later, while the above step 3
When it is determined that the setting is the main menu in 02 (NO), the main menu is displayed (30
4) Judge whether online mode is designated (30
5) In step 305, if it is determined that the online mode is designated (YES), the process proceeds to step 303, while if it is determined in step 305 that the online mode is not designated, , "System Settings", "Screen", "External Characters", "Memory Card",
The program stored in the system read-only memory (system ROM) is displayed when the local mode display in which one of five types of "conversion table" can be selected is displayed (306) and "system setting" is selected. After performing processing such as reading the contents (307), the above step 3
Returning to 04, when the “screen” is selected, the user RA
Perform the processing such as reading the screen stored in M or the memory card, modifying it, or creating a new screen (3
08) Return to step 304 above. If "gaiji" is selected, processing such as creating and storing characters or figures not stored in the memory such as the kanji character generator is performed (309) and the process returns to step 304 above and the "memory card" is selected. If selected, processing such as storing the created screen is performed (310) and the above step 304 is performed.
When the "conversion table" is selected, the command and response codes are associated with Japanese and stored in the RAM in advance (311), and the process returns to step 304.

The processing of step 301 will be described in detail. Here, initialization of the central processing unit (CPU), clearing and initial setting of RAM, input / output setting of parallel I / O circuit,
The user external RAM is cleared.

The process of step 304 will be described in detail. In this step, the online mode or the local mode in which the stored contents in the liquid crystal display terminal can be read or changed (display mode, communication mode setting) is set.

Next, the internal processing of the CPU of FIG. 2 will be described with reference to FIG.

The received response from the transponder is stored in the receive buffer and is called in the online main flow to be displayed on the screen. Also, the command is transferred to the transmission buffer (data transmission) and output through the communication port.

The interrogating antenna controls the transmission of commands and the reception of responses, and converts an electric signal into a communication medium (microwave, infrared ray, electromagnetic induction, electromagnetic coupling, etc.) or a communication medium into an electric signal. Is configured.

The transponder converts the command data and the like from the communication medium into an electric signal, performs processing according to the command, and converts the response from the electric signal into the communication medium and transmits it.

FIGS. 5 and 6 are schematic block diagrams showing the construction of the second embodiment of the ID plate system of the present invention.

The ID plate system shown in FIG. 5 is similar to that shown in FIG.
The interrogator 52 is connected to the interrogator 52 and the responder 53 is connected to the interrogator 52.

However, as shown in FIG. 5, the interrogator 52 is formed by integrating the moving pair identification device (controller) 54 and the input / output device 55 (hereinafter referred to as an integrated portion). The interrogating antenna 56 is connected to this integrated part.

FIG. 6 shows the detailed structure of the integrated portion.

As shown in FIG. 6, the controller 54, which constitutes a part of the integrated unit, is connected to the PC 51 and transfers data to and from a host PC or a computer by using interrupts generated at each scan with timing. It is connected to the interface control unit 5401 and the host interface control unit 5401, and is C when communicating with the interrogator.
Main control unit 5402 and main control unit 5 for controlling timing of data processing and the like using a serial I / O port with built-in PU
A data buffer RAM 5403, which is connected to the CPU 402 and holds write / read data, and a main controller 54.
PS / SP converter 5404, PS / S, which is connected to 02 and converts data of a transmission command or a reception response from serial to parallel or parallel to serial.
RS422 / 485 communication integrated circuit (IC) unit 5405 that is connected to the P conversion unit 5404 and exchanges data
It is composed by.

Next, the structure of the input / output device 55 which constitutes the other part of the integrated portion will be described.

As shown in FIG. 6, the input / output device 55 has substantially the same configuration as the input / output device shown in FIG. 2, and the CPU 5502 connected to the clock generation circuit 5501 has a system ROM 5503, a system RAM 5504, User RAM5505, Kanji character generator 5
506, a parallel input / output circuit 5507 realized by a large scale integrated circuit, and a display control circuit 5508 are connected to each other via a data bus 5509 and an address bus 5510.

The address bus 5510 is also connected to the address decoder 5511, and the address recorder 55.
11 is a system ROM 5503 and a system RAM 55.
04, user RAM 5505, and kanji character generator 5506.

A key input 5512, a buzzer 5513 and a communication switching control output 5514 are connected to the parallel input / output circuit 5507.

The display control circuit 5508 includes a display RAM 5
515 and a display portion 551 realized by a liquid crystal display device or the like
6 is connected.

The CPU 5502 has a communication interface 5
517 is connected to the controller 54 and the interrogating antenna 56 via the communication interface 5517.

Further, the input / output device 55 is provided with a power supply 5518, which supplies a voltage of 15 V from the outside (for example, the controller 54) and outputs various voltages of the interrogation antenna 56 from the power supply 5518.

CPU 5502, communication interface 55
A peripheral circuit 5519 is connected to 17 and the like.

Key input 5512 to the input / output device 55
Therefore, when the display mode is selected, the signal that is actually being communicated is continuously transmitted from the communication interface 5517 to the CPU 5
502 is read, and the command and data from the controller 54 and the response and data from the responder 53 are CP
User RAM55 analyzed in advance by U5502
Register in 05.

A name or the like corresponding to the transmission / reception data code is converted into Japanese, and the display control circuit 5508 and the display RAM 55 are converted.
15, the display unit 5516 displays production information, process information, facility information, and quality information. Here, the communication data is 2
It is also possible to display it after converting it into hexadecimal or Hex code. Also, when a communication error or the like occurs, what kind of communication error has occurred is displayed, and the maintenance maintenance property is enabled.

Next, key input 5 to the input / output device 55
When the communication mode is selected by 512, the switching relay 55 is turned on by turning on the communication switching control output 5514 connected to the parallel input / output circuit 5507.
20 is turned off and the question antenna 56 and the controller 54
Disconnects the communication line from the input / output device 55 to the responder 53
Configured to communicate with.

The switching relay 5520 is an RS422 / 485 communication IC 540 that constitutes the controller 54.
5 and the interrogating antenna 56.

7 and 8 are schematic block diagrams showing the configuration of the third embodiment of the ID plate system of the present invention.

The ID plate system shown in FIG. 7 is the same as that shown in FIGS. 1 and 5, and includes the PC 71 and the interrogator 7 connected to the PC 71.
2. The transponder 73 is connected to the interrogator 72.

However, in this embodiment, as shown in FIG. 7, the interrogator 72 includes the controller 74 and the input / output device 7.
5 and the interrogating antenna 76 are integrally formed.

The detailed structure of the interrogator 72 is shown in FIG.

As shown in FIG. 8, the controller 74 constituting the interrogator 72 has the same configuration and function as the controller 54 of FIG. 6, and the input / output device 75 is the input / output device 55 of FIG. Since the interrogating antenna 76 has the same configuration and function as that of the interrogating antenna 76, and the interrogating antenna 76 has the same configuration and function as the interrogating antenna 22 of FIG.

9 and 10 are schematic block diagrams showing the construction of the fourth embodiment of the ID plate system of the present invention.

The ID plate system of FIG.
1. Controller 92 connected to PC 91, input / output device 93 connected to controller 92, input / output device 93
The interrogating antenna 94 connected to the interrogator and the responder 95 connected to the interrogating antenna 94.

The detailed structure of the input / output device 93 is shown in FIG.
Shown in.

As shown in FIG. 10, the input / output device 93 is
Since the input / output device 55 of FIG. 6 and the input / output device 75 of FIG. 8 have the same configuration and function, description thereof will be omitted.

As described above, according to the ID plate system of the present invention, since the communication data can be monitored in real time by adding the display function and the input function to the interrogator, the communication status can be confirmed at the interrogator installation place. The confirmation and adjustment of the communication area and the confirmation of the mounting of the transponder are completed in a short time, and the maintainability is improved. Also, by registering the name corresponding to the transmitted / received data code in Japanese, the communication data can be displayed in Japanese and anyone can easily check the production information, process information, equipment information, and quality information. . Further, when a person intervenes according to the instruction data from the responder, only the interrogator + the input / output device is required, and a PC or a personal computer is not necessary, which can be realized with an inexpensive and simple configuration. Further, the development of the development period can be shortened because the display unit and the data inputting unit are not required on the PC unit.

[0070]

According to the ID plate system of the present invention, the data processing means for outputting a communication command, the inquiry means for outputting a command signal based on the communication command output from the data processing means, and the inquiry means for outputting. The interrogation means includes a response means that receives a command signal and outputs a response signal based on the received command signal, and the interrogation means identifies the moving body based on the response signal output from the response means and also responds to the response means. Since the communication data transmitted and received between the inquiry means and the response means are displayed, it is possible to display the read data and the write data such as the production information, the process information, the equipment information and the quality control information which are the communication data of the inquiry means and the response means. .
Further, the write data, the read data, the self-diagnosis communication time measurement of the response means, the communication error, etc. can be confirmed near the equipment, and the maintainability can be improved. Further, when a person intervenes on the POP (production time information management) system in the multi-product small-quantity production or the variable-quantity variable production, the information in the response means can be confirmed as necessary. By allowing the data communication setting to be externally input, the interrogating means alone can send and receive data to and from the responding means. Then, the communication check at the time of maintenance can be efficiently performed.

[Brief description of drawings]

FIG. 1 is a block diagram showing the configuration of a first embodiment of an ID plate system of the present invention.

FIG. 2 is a block diagram showing a configuration example of the interrogator of FIG.

FIG. 3 is an explanatory diagram for explaining the operation of the input / output device in FIG.

FIG. 4 is an explanatory diagram of an operation of internal processing of the CPU of FIG.

FIG. 5 is a block diagram showing a configuration of a second embodiment of the ID plate system of the present invention.

6 is a block diagram showing a configuration example of the interrogator of FIG.

FIG. 7 is a block diagram showing a configuration of a third embodiment of the ID plate system of the present invention.

8 is a block diagram showing a configuration example of the interrogator in FIG. 7. FIG.

FIG. 9 is a block diagram showing the configuration of a fourth embodiment of the ID plate system of the present invention.

FIG. 10 is a block diagram showing a configuration example of the interrogator of FIG.

FIG. 11 is a block diagram showing a configuration example of a conventional ID plate system.

[Explanation of symbols]

 1 Programmable Controller (PC) 2 Interrogator 3 Responder 21 Mobile Object Identification Device (Controller) 22 Interrogation Antenna 23 Input / Output Device

Claims (1)

[Claims] 1. Data processing means for outputting a communication command,
Inquiring means for outputting a command signal based on the communication command output from the data processing means, and a response for receiving the command signal output from the inquiring means and outputting a response signal based on the received command signal Means for identifying the moving body based on the response signal output from the response means, and displaying communication data exchanged with the response means. ID plate system to do.