EP0311023A2 - Erkennungssystem für Gegenstände - Google Patents

Erkennungssystem für Gegenstände Download PDF

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Publication number
EP0311023A2
EP0311023A2 EP88116417A EP88116417A EP0311023A2 EP 0311023 A2 EP0311023 A2 EP 0311023A2 EP 88116417 A EP88116417 A EP 88116417A EP 88116417 A EP88116417 A EP 88116417A EP 0311023 A2 EP0311023 A2 EP 0311023A2
Authority
EP
European Patent Office
Prior art keywords
unit
write
data
writing
key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88116417A
Other languages
English (en)
French (fr)
Other versions
EP0311023B1 (de
EP0311023A3 (en
Inventor
Saburo C/O Patent Center Yamamoto
Kimio C/O Patent Center Igarashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP62253060A external-priority patent/JPH0196576A/ja
Priority claimed from JP62255349A external-priority patent/JP2610897B2/ja
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Priority to AT88116417T priority Critical patent/ATE84491T1/de
Publication of EP0311023A2 publication Critical patent/EP0311023A2/de
Publication of EP0311023A3 publication Critical patent/EP0311023A3/en
Application granted granted Critical
Publication of EP0311023B1 publication Critical patent/EP0311023B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles

Definitions

  • the present invention relates to an article recognizing system which is used to automatically manage and exchange tools of a machine tool, to manage parts and products in a factory, to identify articles in a physical distribution system and the like.
  • This system comprises a write/read control unit and a head connected thereto.
  • the write/read control unit is connected to an upper (superior or host) control apparatus including computer system.
  • an ID unit having therein a non-volatile memory to store ID data or the like of an article is attached to the articles which are sent on, e.g., a conveying line.
  • the conventional article recognizing system does not have a stable operation indicator to indicate that the data writing/reading operations can be correctly performed. Therefore, it is difficult to stably confirm the writing/reading operating range. Further, since the writing/­reading operations for the ID unit are executed in response to a command from the upper control apparatus, upon adjustment in a field where the head is installed, the worker must go to the location where the upper control apparatus is installed and which is away from this field to operate the upper control apparatus. Thus, there are problems such that the adjusting work is difficult and it takes a time. In addition, the write/read data cannot be checked or corrected in the field where the head is located.
  • a plurality of write/read control units to be installed in the field are generally connected to one upper control apparatus.
  • the upper control apparatus is connected to a plurality of control units through transmission lines and gives write/read commands and the like to each of the write/read control units together with the unit number assigned thereto. If the command given from the upper control apparatus includes the self No., the write/read control unit recognizes this command and performs the data transmission and reception with the ID unit in accordance with this command.
  • the write/read control unit returns a response indicating that the command was correctly executed to the upper control apparatus together with the self No. after completion of the writing/reading operations. On the contrary, when the command could not be correctly finished, the write/read control unit returns an error code response indicative of the kind of error occurred to the upper control apparatus together with the self No.. When the error code responses are returned, the upper control apparatus stores the error code data of every write/read control unit and manages the errors.
  • the present invention is made in consideration of the foregoing problem and it is an object of the invention to provide an article recognizing system for writing/reading data on the basis of commands from an upper (superior or host) control apparatus, in which the writing/reading operations for an ID unit can be also executed on the basis of commands from write/read control units.
  • Another object of the invention is to provide an article recognizing system for writing/reading data on the basis of commands from an upper control apparatus, in which the writing/reading operations for an ID unit can be also executed based on commands from write/read control units and can be also continuously performed in a predetermined operating mode.
  • Still another object of the invention is to provide an article recognizing system in which the load of an upper control apparatus is reduced and error data can be also monitored by each write/read control unit as necessary.
  • an article recognizing system comprising a head to perform data transmission and reception in a contactless manner for an ID unit storing ID data of an article, and a write/read control unit to control the data transmission and reception through the head in accordance with commands from an upper control apparatus, wherein the write/read control unit is provided with a monitor unit having a mode setting device to select either the first mode or the second mode, key input means for inputting the commands relating to the data transmission and reception for the ID unit, and a display device.
  • the write/read control unit is made operative on the basis of the command from the upper control apparatus
  • the second mode is selected, the write/read control unit is made operative on the basis of the key input from the monitor unit.
  • the monitor unit having the mode setting device to select either the first mode (RUN mode) or the second mode (MONITOR mode), key input means for inputting commands relating to the data transmission and reception for the ID unit, and display device is provided for the write/read control unit. Therefore, even if the write/read control unit is disconnected from the upper control apparatus, the write/read control unit can write/read data into/from the ID unit. In the field where the head and write/read control unit are installed and which is remote from the upper control apparatus, the adjustment of the distance between the head and an object and the check of the write/read data can be easily performed.
  • an article recognizing system comprising a head to perform data transmission and reception in a contactless manner for an ID unit storing ID data of an article, and a write/read control unit to control the data transmission and reception through the head in accordance with commands from an upper control apparatus, wherein the write/read control unit is provided with a monitor unit having means for designating a test mode, key input means for inputting commands relating to the data transmission and reception for the ID unit, and a display device, and the write/read control unit comprises means for receiving a key input signal from the monitor unit, means for continuously executing the writing/reading operations for the ID unit in response to the designation of the test mode, and means for discriminating whether each of the writing and reading operations has correctly been performed or not and for displaying the result of the discrimination on the display device of the monitor unit.
  • an article recognizing system comprising a head to perform the data transmission and reception in a contactless manner for an ID unit storing ID data of an article, and a write/read control unit to control the data transmission and reception through the head in accordance with commands from an upper control apparatus, wherein the write/read control unit has means for discriminating whether errors have occurred or not at the data transmission and reception, and error data memory means for sequentially storing the errors discriminated by the discriminating means every kind of error.
  • the write/read control unit has monitor means for outputting the error data as necessary.
  • the error management is executed by each write/read control unit, so that the load of the upper control apparatus is reduced.
  • the informaton indicating in which unit in the system and what kind of error occurred can be known by monitoring the content stored in the memory means every unit, so that the maintenance of the system can be easily performed.
  • the cause and frequency of the errors occurred can be monitored in the field where the unit is installed and a countermeasure can be rapidly taken.
  • Fig. 1 is a block diagram showing a schematic arrangement of an article recognizing system in an embodiment of the present invention.
  • a write/read control unit 4 writes or reads out data into or from an ID unit 2 attached to an article 1 through a head 5 by the electromagnetic coupling in response to commands from an upper (superior or host) control apparatus 6 including a computer and the like.
  • a monitor unit 7 is attached to the write/read control unit 4.
  • the monitor unit 7 can select either a RUN mode or a MONITOR mode, as will be explained hereinafter.
  • the write/read control unit 4 executes the writing or reading operation of ID data or the like for the ID unit 2 in accordance with a command from the upper control apparatus 6.
  • the upper control apparatus 6 is electrically disconnected from the write/read control unit 4 and the write/read control unit 4 executes the control of the writing/reading operation or the like of the ID data or the like for the ID unit 2 in response to a command from the monitor unit 7.
  • Fig. 2 shows an operation panel 7a of the monitor unit 7.
  • a display device 11, a mode setting device 12 to switch between the RUN mode and the MONITOR mode, and a group of keys 13 are provided on the operation panel 7a.
  • Fig. 4 shows an enlarged diagram of the operation panel 7a.
  • the group of keys 13 includes the following keys as typical keys: a read key 41, write keys 42, a clear key 43, a key 44 of an arrow in the left direction, a key 45 of an arrow in the right direction, a decrement or decrease (DEC) key 46, an increment increase (INC) key 47, a set key 48, and the like.
  • DEC decrement or decrease
  • IMC increment increase
  • set key 48 and the like.
  • These function keys are commonly used as keys to input alphabets such as A, B, C, etc. and numerals of 0 to 9. The switching between the function keys and the alphabet/numeral keys is performed by using a predetermined key (for instance, C key).
  • the monitor unit 7 has a connector 14 on the lower surface.
  • the monitor unit 7 is assembled onto the write/read control unit 4 such that the connector 14 is fitted into a connector 15 formed on the upper surface of the write/read control unit 4 and is electrically connected to the connector 15.
  • the control unit 4 further has a connector 16 to connect to the head 5 and a connector 17 to connect to the upper control apparatus 6.
  • An LED 25 to display errors is attached to the upper surface of the write/read control unit 4.
  • Fig. 5 shows a circuit arrangement diagram of the write/read control unit 4 and the monitor unit 7.
  • the control unit 4 comprises: an interface 18 with the upper control apparatus 6; an MPU (micro processing unit) 19; an RAM 20; a transmission/reception interface 21 for the ID unit; and an external interface 22 to connect to the monitor unit 7.
  • MPU micro processing unit
  • the monitor unit 7 comprises: key switches SW1 to SW16 which are turned on by depressing the keys of the key group 13; the liquid crystal display device (LCD) 11; the mode setting device (switch) 12; an LCD driver 23; and an expansion port 24.
  • step 1 When a power source is turned on and the operation is started, the initialization is first executed (step 1 (hereinafter, referred to as ST 1)).
  • step 2 a check is made to see if the operating mode is the MONITOR mode or not (ST 2).
  • ST 2 the answer in ST 2 is NO, so that ST 3 follows and a check is made to see if command has been sent from the upper control apparatus 6 or not.
  • "RUN" is displayed on the LCD 11. This display indicates that the write/read control unit 4 is in the online state with the upper control apparatus 6. In this case, even if one of the group of keys 13 of the monitor unit 7 is operated, nothing is received.
  • the worker in the field where the head 5 is located can write arbitrary data into an arbitrary address in the memory in the ID unit 2 or can read out data from an arbitrary address by operating the group of keys 13 of the monitor unit 7.
  • the mode setting device 12 When the mode setting device 12 is set to the MONITOR mode, the answer in ST 2 is YES and a check is then made to see if key input data exists or not (ST 12), thereby allowing the system to wait until either one of the keys 13 of the monitor unit 7 is operated. In this state, "MONITOR" is displayed on the LCD 11. This display content means that the group of keys 13 can be subsequently operated. If some of the keys are operated, an interrupting process shown in Fig. 7 is started and the key matrix data of the keys operated are fetched (ST 21).
  • the reading operation is executed for the ID unit 2 (ST 14).
  • the answer in ST 15 to check the occurrence of errors becomes NO. Therefore, a normal end code or read data is displayed on the LCD 11 of the monitor unit 7 (ST 16).
  • "RDalFd30" is displayed on the LCD 11.
  • d30 denotes the read data.
  • the read data is displayed and the error LED 25 is lit off (ST 17).
  • the processing routine is then returned to ST 2.
  • the address and data to be first written are input by using the address (ADRS) key, data (DATA) key and numeral keys, so that "alFd20" is displayed on the LCD 11. d20 indicates data to be written.
  • the processing routine is interrupted and the key matrix data of the operated key is fetched (ST 21). If the fetched key data exists, the answer in ST 33 is YES and the key input data is analyzed (ST 34). Further, a check is made to see if the operated key is the TEST key 31 (ST 35) or RESET key 32 (ST 42). The TEST mode is set by the TEST key 31 and reset (test cancelled) by the RESET key 32.
  • the test of the designated kind is started. That is, if No in ST 33, a check is made to see if the test is being executed or not (ST 37). In this case, since the flag indicating that the test is being executed has already been set to 1, the answer in ST 37 is YES.
  • the reading or writing operation for the ID unit 2 is performed. For example, if No. 1 (read) is selected as the kind of test, the reading process is executed (ST 38). In this case, "TRD ⁇ " is displayed. TRD denotes a test command (read) and ⁇ indicates that the test is being executed. The lower three digits are provided for error display.
  • the writing/reading operation is correctly executed at the proper distance and no error occurs, where the error LED 25 is not lit on and the error indication is not displayed on the LCD 11.
  • the distance is improper, the writing/reading operation is not correctly performed, and if errors occurred, the error LED 25 is lit on and the error indication is displayed on the LCD 11. Therefore, the optimum distance can be set by only moving the ID unit 2 while monitoring the error indication.
  • the RESET key 32 is operated.
  • the answer in ST 33 is YES
  • the answer in ST 35 is NO
  • the answer in ST 42 to cancel the TEST mode is YES, so that the flag indicating that the test is being executed is set to 0 (ST 43).
  • error LED 25 has been provided in the write/read control unit 4, it can be also provided for the head 5.
  • the switching between the RUN mode and the MONITOR mode has been made by the mode setting device.
  • the operating mode may be forcibly set to the MONITOR mode.
  • one write/read control unit 4 has been connected to the upper control apparatus 6.
  • the invention can be also applied to the case where a plurality of write/read control units 4 are provided and connected to the upper control apparatus. 6.
  • FIG. 1 An embodiment which is particularly, effective to the case where a plurality of write/read control units 4 are provided will now be described in detail.
  • a plurality of write/read control units 4 are connected to the upper control apparatus 6 through a bus or data transmission line.
  • a different ID No. is assigned to each write/read control unit 4.
  • One or more head 5 is provided for each write/read control unti 4 and the monitor unit 7 can be attachably and detachably connected to the control unit 4.
  • the arrangement and constitution shown in Figs. 1 to 5 can be also applied to this embodiment.
  • the RAM 20 in the write/read control unit 4 includes a non-volatile memory area. Errors which are generated when data is written into or read out from the ID unit 2 are encoded every kind and the thirty error data are sequentially stored into this memory area in accordance with the order from the new data.
  • the MPU 19 in the control unit 4 has functions to calculate the total number of occurrence times of the respective errors, the total number of all errors occurred, and the generating ratio of errors and to store the calculated values into the memory, i.e., RAM 20.
  • the initialization is executed (ST 1). Then, a check is made to see if the mode setting device 12 has been set to the RUN mode or the MONITOR mode (ST 2). It is now assumed that the mode setting device 12 is set to the RUN mode and the write/read control unit 4 is connected to the upper control apparatus 6. In this case, the processing routine advances to ST 3 and a check is made to see if a command from the upper control apparatus 6 has been received or not. If the self No. has been designated from the upper control apparatus 6 and a command to write or read out data into/from the ID unit 2 is sent, the answer in ST 3 is YES. The received command is analyzed (ST 4).
  • data is written into or read out from the ID unit 2 in correspondence to the command (ST 5).
  • ST 6 Each time the writing or reading operation is finished, a check is made to see if errors occurred or not (ST 6). If any error occurred, the error data is processed (ST 9). That is, the error is encoded every kind of error and stored into the RAM 20. An error response is returned to the upper control apparatus (ST 10). On the contrary, if no error occurs in ST 6, a normal end response indicating that the writing or reading operation has correctly been finished is returned to the upper control apparatus 6 (ST 7). The operation of the error LED 25 is omitted here.
  • ST 52 follows and a check is made to see if the error data is monitored or not. If the command from the upper control apparatus 6 indicates to monitor the error date, the error data stored in the memory 20 in the write/read control unit 4 are sequentially returned to the upper control apparatus 6 in response to this command (ST 53). Thus, the upper control apparatus 6 can collect the error data stored in the write/read control unit 4.
  • ST 56 follows to see if the command represents to clear the error data or not. If the command indicates that the error data is cleared, the error data stored until now in the RAM 20 in the control unit 4 are all cleared (ST 57). Then, the processing routine is returned to ST 2.
  • the mode setting device 12 is set to the MONITOR mode.
  • the answer in ST 2 is YES and ST 12 follows to see if the key input data exists or not.
  • the discrimination regarding the presence or absence of the key input data is performed by the interrupting process shown in Fig. 7.
  • the kind of key operated is decided by the data fetched by the interrupting process (ST 13). If the operated key is not the error (ERR) key 33, the answer in ST 54 is NO. Then, a check is made to see if the operated key is the clear (CLR) key 43 or not (ST 56). However, if the operated key is not the clear key 43, the answer in ST 56 is NO.
  • the writing/reading operation of data into/from the ID unit 2, test mode process or the like is executed as mentioned in the above embodiment. Thereafter, the processing routine is returned to ST 2.
  • the error data generated in the writing/reading operation are also stored into the RAM 20.
  • the answer in ST 54 is YES.
  • the error data stored in the RAM 20 in the write/read control unit 4 are successively read out and sequentially displayed on the LCD 11 of the monitor unit 7.
  • the operator can know which kind of error data occurred in the write/read control unit 4 in the past.
  • the answer in ST 56 is YES and the error data stored so far in the RAM 20 in the control unit 4 are cleared (ST 57).
  • This display content indicates that the selection of the contents from error status 1 to 4 should be made.
  • the numeral 1 is designated by a numeral key of the keys 13, the newest error data (among thirty errors) is designated.
  • the statistic error data is designated.
  • the numeral 3 is designated, the newest error data is cleared.
  • the numeral 4 is designated, the statistic error data is cleared.
  • the RESET key 32 is operated, the stop of the display of the error data is indicated.
  • the operator inputs the numeral key 1 subsequent to the ERR key 33 that is, when the operator designates to monitor the newest error data
  • "N01RD110" is displayed on the LCD 11. N01 indicates the error generating order No.
  • the number of generating order of the newest error data assumes "01" and that of the oldest error data assumes "30".
  • RD represents an error generation command and "1" indicates the transmission path No. and "10" represents the error code No.
  • the error code display and the error message display can be alternately switched by the key 44 or 45.
  • the error message "H.PARITY" is displayed by operating the key 44 or 45 for the example of error mentioned above.
  • the original display content "N01RD110" can be displayed.
  • the INC key 47 to display the error data of the next order, for instance, "N02RD170” is displayed.
  • N01RD110 is displayed.
  • the INC key 47 or DEC key 46 the error data can be arbitrarily shifted forward or backward.
EP19880116417 1987-10-07 1988-10-05 Erkennungssystem für Gegenstände Expired - Lifetime EP0311023B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88116417T ATE84491T1 (de) 1987-10-07 1988-10-05 Erkennungssystem fuer gegenstaende.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP253060/87 1987-10-07
JP62253060A JPH0196576A (ja) 1987-10-07 1987-10-07 物品認識装置
JP255349/87 1987-10-08
JP62255349A JP2610897B2 (ja) 1987-10-08 1987-10-08 物品認識装置

Publications (3)

Publication Number Publication Date
EP0311023A2 true EP0311023A2 (de) 1989-04-12
EP0311023A3 EP0311023A3 (en) 1990-01-24
EP0311023B1 EP0311023B1 (de) 1993-01-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880116417 Expired - Lifetime EP0311023B1 (de) 1987-10-07 1988-10-05 Erkennungssystem für Gegenstände

Country Status (2)

Country Link
EP (1) EP0311023B1 (de)
DE (1) DE3877488T2 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995000930A1 (de) * 1993-06-22 1995-01-05 Prüftechnik Dieter Busch AG Verfahren und vorrichtung zum feststellen des zustandes von maschinen mit mehreren messstellen
WO1996031845A1 (en) * 1995-04-06 1996-10-10 American & Efird, Inc. Data collection system
DE19652579A1 (de) * 1996-04-08 1997-10-09 Mitsubishi Electric Corp Unterscheidungsvorrichtung für bewegte Körper
EP0810556A2 (de) * 1996-05-31 1997-12-03 Eskom Überwachung eines Systems
DE19712666A1 (de) * 1997-03-26 1998-10-01 Daimler Benz Ag Verfahren zur Dokumentation von Arbeitsvorgängen innerhalb eines Produktionsablaufs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523554A1 (de) * 1984-08-24 1986-03-06 Peter L. Ing.(grad.) 8084 Inning Ortloff Vorrichtung zur kontaktfreien steuerung einer foerder-, sortier- und/oder verarbeitungsanlage
US4634849A (en) * 1985-04-02 1987-01-06 Klingen Leonard G Uniquely numbered baggage split tag and system for handling baggage
DE3706114A1 (de) * 1986-02-25 1987-08-27 Molins Plc Foerdereinrichtung fuer stabfoermige gegenstaende

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523554A1 (de) * 1984-08-24 1986-03-06 Peter L. Ing.(grad.) 8084 Inning Ortloff Vorrichtung zur kontaktfreien steuerung einer foerder-, sortier- und/oder verarbeitungsanlage
US4634849A (en) * 1985-04-02 1987-01-06 Klingen Leonard G Uniquely numbered baggage split tag and system for handling baggage
DE3706114A1 (de) * 1986-02-25 1987-08-27 Molins Plc Foerdereinrichtung fuer stabfoermige gegenstaende

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995000930A1 (de) * 1993-06-22 1995-01-05 Prüftechnik Dieter Busch AG Verfahren und vorrichtung zum feststellen des zustandes von maschinen mit mehreren messstellen
US5691904A (en) * 1993-06-22 1997-11-25 Pruftechnik Dieter Busch Ag Process and device for determining the condition of machines with several measuring points
WO1996031845A1 (en) * 1995-04-06 1996-10-10 American & Efird, Inc. Data collection system
DE19652579A1 (de) * 1996-04-08 1997-10-09 Mitsubishi Electric Corp Unterscheidungsvorrichtung für bewegte Körper
EP0810556A2 (de) * 1996-05-31 1997-12-03 Eskom Überwachung eines Systems
EP0810556A3 (de) * 1996-05-31 1999-11-17 Eskom Überwachung eines Systems
DE19712666A1 (de) * 1997-03-26 1998-10-01 Daimler Benz Ag Verfahren zur Dokumentation von Arbeitsvorgängen innerhalb eines Produktionsablaufs
DE19712666C2 (de) * 1997-03-26 2000-05-04 Daimler Chrysler Ag Vorrichtung zur Dokumentation von Arbeitsvorgängen innerhalb eines Produktionsablaufs

Also Published As

Publication number Publication date
DE3877488D1 (de) 1993-02-25
DE3877488T2 (de) 1993-08-12
EP0311023B1 (de) 1993-01-13
EP0311023A3 (en) 1990-01-24

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