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Command and Response Frame Structure

Section 5-1

5-3

5-1-3

BCC Calculation Method

BCC is the result of the horizontal parity calculation of the data right after STX up to ETX inclusive.
Refer to JIS5001 Transmission Path Character Configuration and Using Horizontal Parity for details.

Node No.

Command

Code

Text

BCC

STX

ETX

Command

data

ASCII code data

0011

0000

EOR

0011

0000

EOR

0101

0010

EOR

0100

EOR

0101

0011

EOR

0101

0100

EOR

0100

0001

EOR

0011

0000

EOR

0011

0000

EOR

0011

0000

EOR

0011

0000

EOR

0011

0001

EOR

ETX

0000

0011

Calculation

results

0110

0010

Summary of Contents for V720 Series

Page 1: ...Cat No S908 E1 2 ID Controller V720 series Electromagnetic Inductive RFID System 9 OPERATION MANUAL...

Page 2: ...V720 series Electromagnetic Inductive RFID System V720 CD1D CD2D ID Controller Operation Manual Revised August 2001...

Page 3: ...iv...

Page 4: ...nual to help you locate different types of information Note Indicates information of particular interest for efficient and convenient operation of the product 1 2 3 1 Indicates lists of one sort or an...

Page 5: ...vi...

Page 6: ...2 Cable 2 8 2 3 V720 Communications Specifications 2 9 2 4 External Communications Specifications 2 10 2 5 Tag Memory Map 2 10 SECTION 3 Functions 3 1 3 1 Single FIFO Multiple and Selective Access Fu...

Page 7: ...ods 5 32 5 6 Data Type 5 43 5 7 Tag Number Setting 5 44 5 8 Communications Phase 5 45 5 9 ACK NACK Control 5 46 5 10 Response Code List 5 47 SECTION 6 Startup and Full Operation 6 1 6 1 Trial Operatio...

Page 8: ...vides the modes and functions in detail Section 4 provides installation information for the V720 CD1D CD2D Section 5 provides the communications functions and provides details on communications relate...

Page 9: ...x...

Page 10: ...application of the V720 series Electromagnetic Inductive RFID System You must read this section and understand the information contained before attempting to set up or operate a V720 series Electromag...

Page 11: ...systems machines and equipment and be sure to provide the systems machines and equipment with double safety mechanisms This manual provides information for installing and operating the V720 series Ele...

Page 12: ...e supplied with the V720 CD1D CD2D according to the specified instructions Be sure to observe all warnings cautions and safety precautions specified in the manual 5 Correct Use Caution Do not install...

Page 13: ...the Machine Directives EC Directive Document number 89 392 EEC machines exported to Europe on and after January 1 1995 must bear CE markings EMC standards are for electromagnetic compatibility A machi...

Page 14: ...the characteristics and system configuration of the V720 System as well as an outline of its operation 1 1 Features 1 2 1 2 System Configuration 1 3 1 2 1 Example of 1 to 1 System Configuration 1 3 1...

Page 15: ...PLCs over RS 232C to process large amounts of data flexibly with simple commands Highly Functional RFID System The RFID System operates in either multiple simultaneous access mode selective access mod...

Page 16: ...ming to RS 232C thus making it possible to communicate with personal computers and PLCs The host issues all commands to process usual communications data 1 2 1 Example of 1 to 1 System Configuration H...

Page 17: ...ing an RS 232C to RS 485 Converter switch the host to receive within 5 ms after sending a command to the Controller Failure to do so may result in loss of communications with the Controller 0 1 2 3 4...

Page 18: ...oller the Antenna stands by for the arrival of the Tag 2 When the Tag arrives in the communications area the Controller receives data in the memory area of a Tag specified by the READ command and send...

Page 19: ...characteristics of the ID Controller 2 1 ID Controller 2 2 2 1 1 Nomenclature 2 2 2 1 2 Specifications 2 4 2 1 3 Dimensions 2 7 2 2 Cable 2 8 2 2 1 Specifications 2 8 2 2 2 Dimensions 2 8 2 3 V720 Com...

Page 20: ...ply Terminals 8 External Input Terminals 9 RESET Terminals 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 SW1 SW2 SW3 SW4 V720 CD2D ID CONTROLLER 24VDC 20W RUN COMM C DE NORM ERR R W ANTENNA COM RST GR IN1 I...

Page 21: ...ON and OFF once if a communications error results Turned ON if a system error results 4 Cover Protection of SW 1 through SW4 Open the cover only when necessary 5 Antenna Port Connecting to the Antenna...

Page 22: ...ration resistance Destruction 10 to 150 Hz 0 2mm double amplitude at 15 m s 2 in X Y and Z directions 10 times each for eight minutes Shock resistance Destruction 150 m s 2 in X Y and Z directions thr...

Page 23: ...ce 2 2 kW Input current 10 mA TYP 24 VDC ON voltage 19 V min OFF voltage 5 V max External Input and RESET Input IN1 and IN2 Input response time 70 ms max Circuit Configuration Controller 24 VDC RESET...

Page 24: ...9 SW1 SW2 SW3 SW4 V720 CD1D ID CONTROLLER 24VDC 20W RUN COMM NORM ERR R W ANTENNA RS 232C COM RST GR SYNC MADE IN JAPAN 24VDC COM 24VDC 24VDC GR RS 232C RESET IN2 IN1 C DE V720 H01 E Read Write Antenn...

Page 25: ...ID Controller Section 2 1 2 7 2 1 3 Dimensions Casing material PC ASA resin 10 8 10 10 10 V720 CD1D ID CONTROLLER 100 0 2 66 56 0 2 75 56 0 2 35 5 100 0 2 90 2 4 5 2 M4 C DE Two 4 5 dia Two M4...

Page 26: ...marks Connectors are not water resistant 2 2 2 Dimensions V700 A4o Item V700 A40 V700 A41 V700 A42 V700 A43 V700 A44 V700 A45 Length Approx 2 m Approx 3 m Approx 5 m Approx 10 m Approx 20 m Approx 30...

Page 27: ...on the Controller Refer to Section 4 Setting Mounting and Connection Methods for details V720 CD2D The Controller can be connected to personal computers and PLCs over RS 485 Item Specifications Confor...

Page 28: ...blocks blocks 0 to 4 With the OMRON system the system area can accessed easily using special commands Refer to 5 3 6 System Commands and Responses for details With the OMRON system then user memory is...

Page 29: ...des and functions in detail 3 1 Single FIFO Multiple and Selective Access Functions 3 2 3 2 Memory Check Function 3 4 3 3 Lock Function 3 5 3 4 Distinguished Tag Read Write Function 3 6 3 5 External I...

Page 30: ...wise a communications error will result FIFO Access Mode In the FIFO first in first out Access Mode the RFID System reads and writes data to and from each Tag coming into the communications area one a...

Page 31: ...munications area and a Tag Designation Command can be used to communicate with a specified Tag based on the assigned numbers Set the maximum number of Tags number of timeslots using a command in the s...

Page 32: ...calculation area is calculated and written to the check code area When the data verification command is sent the CRC code for the data in the target calculation area is calculated and compared with t...

Page 33: ...ured using one bit per page to a total of 12 bits of data Make the lock settings using the Lock Command LK Refer to 5 3 6 System Commands and Responses for details Lock setting area 1 byte 1 byte b7 b...

Page 34: ...ID for Controller AI 5 3 6 System Commands and Responses for ID Controller The factory setting for the Controller s ID code is 00h for both family code and application ID This permits communications r...

Page 35: ...3 7 3 5 External Input Function There are two external user input terminals that can be controlled by commands These can be used to design sequence operations such as starting or stopping communicatio...

Page 36: ...unting location before trial operation The function is enabled by turning ON DIP switch pin 3 3 on the Controller before turning ON the power supply Display of Results for Offline Read Test Function I...

Page 37: ...lt Set Values 4 3 4 1 4 Rotary Switch Settings 4 4 4 1 5 DIP Switch Settings 4 5 4 2 Installation Environment 4 8 4 3 Mounting 4 9 4 4 Connection and Disconnection of Antenna Connector 4 10 4 5 Wiring...

Page 38: ...witch settings 4 1 1 Opening the Cover A screwdriver is provided with the Controller Open the cover by inserting the screwdriver into the groove on the left side of the cover Under the cover there are...

Page 39: ...RESERVED OFF Not used SW3 3 Offline Read Test mode setting OFF Normal mode SW3 4 OFF SW3 5 OFF SW3 6 OFF SW3 7 RESERVED OFF Not used SW3 8 BCC setting OFF BCC enable SW4 1 OFF SW4 2 Baud rate setting...

Page 40: ...response of the Controller includes the node number of the Controller Communications will not be possible if the node number is wrong The node number must be correctly set regardless of whether the h...

Page 41: ...t this pin to OFF Pin 3 Offline Read Test mode Pin 3 is used to set to the Offline Read Test Mode when performing communications tests between the Antenna connected to the Controller and Tags Tag read...

Page 42: ...Section 4 1 4 6 Pin 8 BCC Setting Pin 8 is used to set the BCC for command frames and response frames to enabled or disabled i e whether or not BCC is sent and received Pin 8 Description ON BCC disabl...

Page 43: ...OFF No parity ON Odd parity OFF OFF Even parity Pin 6 Stop Bit Length Setting Pin 6 Description ON 1 bit OFF 2 bits Pin 7 Communications Mode Setting This setting determines whether or not ACK NACK c...

Page 44: ...r is exposed to direct sunlight Water oil or chemical is sprayed onto the Controller Enclosed mounting Position The Controller can be used at an ambient temperature range between 10 C and 55 C Make su...

Page 45: ...cause the Controller case to crack DIN Track Mounting TTwo M4 DIN track 1m long OMRON PFP 100N2 is recommended PFP 100N2 DIN Track PFP M End Plate Height 80 mm max End plate Mounting hook Take the he...

Page 46: ...ller coincides with the point marked in white on the connector 2 Press the connector straight until the connector is locked Note Do not hold and press the ring of the connector otherwise the connector...

Page 47: ...power supply and ground terminals use M3 set screws The following type of solderless terminals can be connected to these terminals Tighten each screw to a torque of approximately 6 kgf cm Connection...

Page 48: ...supply may interfere with the communications of the Antenna Make sure that there is a distance of 1 m or more between the Antenna and power supply 2 If the Controller and Antenna are too close the Con...

Page 49: ...nd ground wires 2 Wind the power supply and ground wires together around the ferrite core once so that the ferrite core will not move as shown below The ferrite core must be located within 10 cm of th...

Page 50: ...hese terminals M3 6 5 max Tighten each screw to a torque of approximately 6 kgf cm Note 1 Make sure that the input voltage does not exceed a maximum permissible input voltage of 26 4 V otherwise the C...

Page 51: ...o send CS OK 8 Note 1 Ground the shielded wire on either the Controller side or the above host computer side 2 Internally short circuit pins 7 RS and 8 CS Connection to Host through IBM PC AT or Compa...

Page 52: ...MRON communications connector conforming to EMI standards is provided with the Controller Use this communications connector or an equivalent one Host computer end XM2A 0901 Plug Provided Manu factured...

Page 53: ...he untangled braided shield 2 Solder the conductors to the plug pins Plug Jumper Cable bushing Aluminum tape Pin number Symbol Name Shield GR Ground 5 SG Signal ground 3 SD Send data 2 RD Receive data...

Page 54: ...n hold the protruding part of the connector hood by hand and pull the connector straight out If the connector is difficult to disconnect hold the Controller by hand while pulling out the connector Phi...

Page 55: ...ing an RS 232C 485 converter at the host device do not send commands until the status has completely changed to clear to send status Also after sending all the commands switch to the receive status Co...

Page 56: ...wer lines AC adapters etc Total distance 300 m max Terminating resistance disabled with SW3 7 Terminating resistance disabled with SW3 7 Terminating resistance disabled with SW3 7 Terminating resistan...

Page 57: ...nnect the shield wire to the ground terminal Recommended Terminals Nihon Weidmuller H sleeve Series Insert the wire into the pin terminal and crimp it Nihon Weidmuller sells the PZ series Crimping Too...

Page 58: ...o the Controller Tighten the retaining screws to a proper torque about 0 3 N m 4 To remove the connector completely loosen the two retaining screws and pull the connector straight out of the Controlle...

Page 59: ...mmands and Responses 5 7 5 3 3 Multiple Access Commands and Responses 5 9 5 3 4 Selective Access Commands and Responses 5 11 5 3 5 Polling Commands and Responses 5 14 5 3 6 System Commands and Respons...

Page 60: ...n Makes specified optional settings or specifies read write data Refer to each command format for details ETX Indicates the end of a communication frame text BCC Block check character The result of th...

Page 61: ...mission Path Character Configuration and Using Horizontal Parity for details Node No Command Code Text BCC STX 0 0 R D S T A 0 0 0 0 1 ETX 62 Command data ASCII code data 0 0011 0000 EOR 0 0011 0000 E...

Page 62: ...Polling Read PR Performs a single autoread using polling Polling Write PW Performs a single autowrite using polling Polling Check PC Checks polling Polling End PE Ends polling Stop ST Completes a comm...

Page 63: ...thods Data type Specifies whether the read data is represented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type First read page Specifies the first page of the Tag containing...

Page 64: ...data is represented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type First write page Specifies the first page of the Tag to which data is written in HEX Setting range 00h to...

Page 65: ...II code H HEX code For details refer to 5 6 Data Type First read page Specifies the first page of the Tag containing data to be read in HEX Setting range 00h to 0Ah FFh FFh can be specified only when...

Page 66: ...whether the write data is represented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type First write page Specifies the first page of the Tag to which data is written in HEX Se...

Page 67: ...refer to 2 5 Tag Memory Map No of read pages Specifies the number of pages to which data is written in HEX Setting range 01h to 0Ch Tag Number setting Specifies the Tag Number setting Setting range 1...

Page 68: ...page of the Tag to which data is written in HEX Setting range 00h to 0Ah FFh FFh can be specified only when using Philips block 4 as user memory For details refer to 2 5 Tag Memory Map No of write pag...

Page 69: ...only when using Philips block 4 as user memory For de tails refer to 2 5 Tag Memory Map No of read pages Specifies the number of pages to which data is written in HEX Setting range 01h to 0Ch Tag Numb...

Page 70: ...e First read page Specifies the first page of the Tag containing data to be read in HEX Setting range 00h to 0Ah FFh FFh can be specified only when using Philips block 4 as user memory For details ref...

Page 71: ...presented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type First write page Specifies the first page of the Tag to which data is written in HEX Setting range 00h to 0Ah FFh F...

Page 72: ...Specifies whether the read data is represented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type First read page Specifies the first page of the Tag containing data to be rea...

Page 73: ...is represented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type First write page Specifies the first address for writing data to Tags in HEX Specifiable range 00h to 0Ah FFh...

Page 74: ...se code 00 Read data ETX BCC 1 2 1 2 2 Specified number 1 1 Response to Write commands STX Node No Retry flag Command code PW Response code 00 ETX BCC 1 2 1 2 2 1 1 Response when a Tag is not yet dete...

Page 75: ...Structure Response when a Tag is not yet detected STX Node No Retry flag Command code PE Response code 75 ETX BCC 1 2 1 2 2 1 1 Response after a Tag is detected STX Node No Retry flag Command code PE...

Page 76: ...tive Access read Single and FIFO Accesses the Tag Number setting is 0 fixed In the Multi Access and Selective Access Tag detect command set the number of Tags with which to communicate simultaneously...

Page 77: ...the lock information set in a Tag The lock information for each page is represented by 1 bit Lock information b7 b6 b5 b4 b3 b2 b1 b0 b7 b6 b5 b4 b3 b2 b1 b0 page 10 page 9 page 8 page 7 page 6 page 5...

Page 78: ...cess read Single and FIFO Accesses Tag Number setting is 0 fixed In the Multi Access and Selective Access Tag detect command set the number of Tags with which to communicate simultaneously Setting ran...

Page 79: ...ether the write data is represented in ASCII or HEX A ASCII code H HEX code For details refer to 5 6 Data Type Tag Number setting In the Selective Access write Single and FIFO Accesses the Tag Number...

Page 80: ...codes refer to 5 10 Response Code List Family code Family code currently set is given in hexadecimal 6 Setting of Application ID for Controller AI The AI Command is used to set or read the application...

Page 81: ...P switch 3 is set to ON BCC is not at tached to either command or response frames 8 EAS Check EA The EA Command is used to perform EAS checks This command is performed continuously until the Stop Comm...

Page 82: ...e Code List Note 1 If BCC is disabled i e pin 8 on DIP switch 3 is set to ON BCC is not attached to either command or response frames Note 2 This function can be used with Controller software versions...

Page 83: ...number of pages in hexadecimal to read from the Tags Specification range 01 to 0C Response Frame Structure STX Node No Retry flag Command code RD Response code 00 Read data ETX BCC 1 2 1 2 2 Specified...

Page 84: ...1 2 2 1 1 Response code 00 Normal completion For other response codes refer to 5 10 Response Code List 3 Reset XZ This command software resets the Controller Command Frame Structure STX Node No Comma...

Page 85: ...esignated by a user and to compare the results with the check code attached to the check block Command Frame Structure STX Node No Command code MC First page of check block No of pages in check block...

Page 86: ...lips block 4 can be used as user memory with Controller software ver sions 1 5 or later The software version can be read with the Version Com mand VS 8 ACK AK This command is used during ACK NACK cont...

Page 87: ...mands and Responses Section 5 3 5 29 10 Response to undefined commands This response is returned when the Controller receives an undefined command Response Frame Structure STX Node No Command code IC...

Page 88: ...y Calculation MK Example of command connection In a command connection function a single STX Node No BCC and ETX are shared each and connected to each other using Command Frame Structure STX Node No C...

Page 89: ...connect Note 1 The communications method specified using command 1 is given priority Single Auto is specified for polling commands and Single Trigger is specified for the memory check and memory calc...

Page 90: ...in the communications area The presence of two or more Tags in the communications area causes a communications error 2 FIFO Access In FIFO first in first out access communications with Tags entering t...

Page 91: ...all Tags within the commu nications range ends for the Multiple Access Read Command RD Communications End Response 72 Hold plural responses Communications processing Hold responses Multi Access Read t...

Page 92: ...from among multiple Tags in the commu nications area of the Antenna is accessed First temporary numbers are assigned to the Tags in the communications area The Tag Selection Command allows the Control...

Page 93: ...Controller returns the detection response 72 5 The controller receives the Tag Selection command with the temporary No of the tag with which communications are to be made 6 The controller communicate...

Page 94: ...eturns a format error to the host 3 The temporary number once stored by the Controller is not deleted until the Controller executes the Stop Command Commands other than selective access commands exclu...

Page 95: ...rror response is returned Note Before using Trigger Mode check that the Tags are not moving and are within the Antenna s communications range 1 When a Tag exists in the communications area the host se...

Page 96: ...th between the host device and the Controller is busy until a Tag approaches the Controller so the host device cannot send the next command 1 The Controller receives the command 2 The Controller waits...

Page 97: ...in com mand waiting status before sending the new command 1 The Controller waits for a Tag to enter the communications area of the Antenna 2 The Controller communicates with the Tag 3 After the comple...

Page 98: ...Polling Auto Command to Node 2 4 Immediately after command reception Node 2 returns a response indicating acceptance of the command 5 The host inquires after the progress of the communications process...

Page 99: ...ompleting communications the Controller disables the operation of the Tags After sending the responses the Controller is put into a Tag waiting state again and repeats this process until receiving the...

Page 100: ...cation Fast read Read Write Polling Read see note 1 Polling Write see note 1 Memory Check see note 2 Memory Calculate see note 2 Lock see note 2 Able to select communications method Not able to select...

Page 101: ...ata Therefore only characters from 0 to F are accepted Two characters of data occupy 1 byte 1 address on a Tag Example of ASCII Representation When writing V720 to four bytes of memory of page 00 usin...

Page 102: ...e g if the timeslot setting is 2 and there are five Tags in the communications range Select a suitable setting by referring to the above table Note 2 With the Special Read Command refer to 5 3 7 Gene...

Page 103: ...mmand Reset 2 1 to 1 One response is sent per command with the following commands Single Trigger Single Auto FIFO Trigger FIFO Auto commands that communicate with Tags or commands that do not communic...

Page 104: ...ives a normal response it sends an ACK command to the Controller The Controller judges that the host has received a normal response and enters a command waiting state If after the Controller has sent...

Page 105: ...ved command 12 Overrun error An overrun error occurs in one of the characters of the received command 13 BCC error The received command has an incorrect BCC 14 Format error The command format is incor...

Page 106: ...ection provides information on trial operation errors and remedies and maintenance and troubleshooting 6 1 Trial Operation 6 2 6 2 Self diagnostic Function 6 3 6 3 Errors and Remedies 6 4 6 4 Maintena...

Page 107: ...ine test with the host Trial operation of the system Check the communications between the host and Controller with test commands Check the operation of the whole system with actual commands execute Co...

Page 108: ...fails the operation of the CPU will be interrupted and the ERROR indicator will turn ON or flash Nonfatal Errors If there is a communications error between the Controller and host or the Antenna and...

Page 109: ...ply and that of the power cable Occurs when a heavy duty motor transformer or capacitor is turned ON Common mode noise caused by the above cause Provide the power through a 1 to 1 non grounded insulat...

Page 110: ...semiconductors that last almost indefinitely The following malfunctions may however result due to the operating environment and conditions 1 2 3 1 Element deterioration due to overvoltage or overcurre...

Page 111: ...ing for any enclosed construction 1 Check that the system is ventilated properly with natural ventilation forced ventilation or cooling air 2 Check that the packing is properly attached with no damage...

Page 112: ...he cause of the error Main check flowchart Are all devices in the system connected properly Are host communications normal Go to the system connections check flowchart on page 6 6 Go to the host commu...

Page 113: ...tors and cables OK Start Yes Replace the Controller OK Is the RUN indicator ON Is the rated voltage provided Is RESET input ON Yes No Turn RESET input OFF Provide the rated voltage Replace the Control...

Page 114: ...from the host Is the response normal Is the communications frame OK Replace the Controller Revise the communications frame correctly Wire the connectors correctly Revise the host program correctly or...

Page 115: ...Are the communications with the Tag OK Normal end Yes Replace the Controller Is the moving speed of Tag OK Is the direction between Antenna and Tag OK Is the ambient noise OK Is the Tag OK Reduce the...

Page 116: ...ubleshooting Section 6 5 6 11 Operating Environment Check Flowchart Start Refer to 6 4 Maintenance and Inspection Refer to 6 3 Errors and Remedies Is the ambient noise OK Are the operating conditions...

Page 117: ...7 1 SECTION 7 Reference Data This section provides reference data relating to V720 communications 7 1 Communications Time 7 2...

Page 118: ...peed of the Tag for the execution of auto commands Immediately after the power is turned ON or reset using hardware reset or the reset command the communications time will be 30 ms longer than the tim...

Page 119: ...239 1391 3867 1656 Note 1 The provided TAT data is an example in which the V720 CD1D Controller is used under the following conditions for host communications The data is continuously sent with no spa...

Page 120: ...List ASCII List Higher digits Lower digits Row Column Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined Note 1 The code at the 5th row 12th column is in ASCII code 2 Do n...

Page 121: ...memory maps moved from Section 5 to the end of Section 2 Page 3 8 Table added Pages 4 5 5 15 5 16 5 24 5 26 5 27 5 43 Notes added Page 5 5 Information on Tag memory maps moved to the end of Section 2...

Page 122: ...5435 2016 Fax 81 3 5435 2017 Regional Headquarters OMRON EUROPE B V Wegalaan 67 69 NL 2132 JD Hoofddorp The Netherlands Tel 31 2356 81 300 Fax 31 2356 81 388 OMRON ELECTRONICS LLC 1 East Commerce Driv...

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