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Chapter 1 System Overview

The AI1422E Reader System is a microprocessor-controlled, single-

antenna unit that uses a unique communications protocol to interface

with vehicle identification (ID) equipment.

This reader system uses radio frequency (RF) energy to read data from tags. The AI1422E

Reader System then decodes the tag ID information, validates the ID code, and transmits

tag data directly to a host processor for real-time data processing and use.
Communications (terminal) programs usually do not provide adequate data processing

capability. Your host computer software can be customized to provide the required

capabilities.
The AI1422E Reader System consists of the AI1422E Reader, which consists of a reader and

RF module, combined with a TransCore antenna, a TransCore tag, a host processor system,

and a power source.

Figure 1

illustrates a typical reader system configuration.

Power

Source

AI1422E

Host Processor

System

RS232

RS422

Ethernet

Antenna

TAG

Figure 1 Typical Reader System Configuration

Chapter 1 System Overview

TransCore Proprietary

1–1

Содержание AI1422E

Страница 1: ...FCC compliant version is an ATA only 902 25 921 50 MHz fixed frequency reader The ETSI compliant version is an ATA only 865 75 867 5 MHz frequency hopping reader This guide provides on site test proc...

Страница 2: ...nder license All other trademarks are the property of their respective owners Contents are subject to change Printed in the U S A For further information contact TransCore 8600 Jefferson StreetNE Albu...

Страница 3: ...es These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate RF e...

Страница 4: ...accord avec la partie 15 des directives de la FCC Ces normes visent assurer une protection raisonnable contre les interf rences nuisibles lorsque l appareil est utilis dans un environnement commercia...

Страница 5: ...evice AVERTISSEMENT AUX UTILISATEURS AU CANADA INDUSTRIE CANADA IC INDUSTRIE CANADA RADIO STANDARD SPECIFICATIONS CNR 137 EMPLACEMENT ET SERVICE DE SURVEILLANCE DANS LA BANDE 902 928 MHZ SECTION 2 1 R...

Страница 6: ...be 8 in 20cm FCC FEDERAL COMMUNICATION COMMISSION FCC an agency of The United States of America legislates in the Code of Federal Regulations CFR Title 47 Chapter I Subchapter A Part 1 Subpart I Sect...

Страница 7: ...ies respective to the environment is shown below With the equipment installed and running at the maximum transmit power of 2 0W 33dBm 0 dB transmit attenuation using the highest gain antenna that the...

Страница 8: ...it 6 minutes En utilisant la fr quence de 915 MHz milieu de la bande de fr quences de cet appareil et le gain d antenne maximal pour lequel cet appareil a re u une certification d utilisation dans une...

Страница 9: ...fr quence de 915 MHz milieu de la bande de fr quences de cet appareil et le gain d antenne maximal pour lequel cet appareil a re u une certification d utilisation dans une installation finale la dista...

Страница 10: ...cation les recommandations pour chaque environnement d exploitation sont les suivantes 1 L antenne devrait tre install e au moins 120 cm 47 po de la population g n rale du grand public c est dire d un...

Страница 11: ...reader does modulate SeGo the frequency range is constricted to 911 75 919 75 The user is responsible for filing the FCC license according to FCC regulations Access the FCC Web site at https www fcc g...

Страница 12: ...ols and Equipment 4 16 Testing Basic Operation 4 16 Reading the Tag 4 17 Chapter 5 Communications Protocols 5 19 Basic Protocol 5 19 Error Correcting Protocol 5 19 Chapter 6 Commands 6 21 Operating Mo...

Страница 13: ...cter Conversion A 54 Appendix B Technical Specifications B 55 Appendix C Lantronix Ethernet Module C 57 Interface through Ethernet Port C 58 Appendix D Command Quick Reference D 64 Appendix E Cyclic R...

Страница 14: ...ble Gland Assembly Rear of Plug 3 10 Figure 13 Pin Numbering Plug Wire Harness 3 11 Figure 14 Thread Wires Through Assembly 3 11 Figure 15 Thread Wires Through Assembly 3 11 Figure 16 Insert Wire Harn...

Страница 15: ...Computer has Multiple NIC cards C 59 Figure 32 NIC Card Options Screen C 60 Figure 33 Check for Updates Prompt C 60 Figure 34 Disable Firewall to Allow Access C 61 Figure 35 Lantronix DeviceInstaller...

Страница 16: ...e 11 Select Valid Code Commands and Frames 6 32 Table 12 Software Flow Control Commands 6 43 Table 13 RF Control Commands 6 44 Table 14 RF Attenuation Command Variables 6 45 Table 15 Presence Without...

Страница 17: ...data processing and use Communications terminal programs usually do not provide adequate data processing capability Your host computer software can be customized to provide the required capabilities...

Страница 18: ...sess the vehicle s location and make any appropriate response to that information The transponder interrogator is an independent tag decoder that combines a reader and RF source to provide automatic i...

Страница 19: ...n affect the tag s performance Metal surfaces or objects should not be placed closer than 1 inch 2 5 cm to the side edges of the tag to ensure that the tag s antenna tuning remains within design crite...

Страница 20: ...oprietary 1 4 Antenna to Tag Distance Many installations have been installed with a nominal 11 8 in 30 cm distance from the backplane of the reader antenna to the back edge of the tag Figure 2 Figure...

Страница 21: ...r This module is located on the interface board internal to the reader and is addressable through Lantronix host software More details on this module can be found in Figure 4 on page 2 6 The Ethernet...

Страница 22: ...t wiring interface Pin Number Operation 1 Receive 2 Transmit 3 Receive 4 Transmit Figure 4 Pin Designations for M12 Connector I O Pin 1 I O Ground Pin 2 Trigger Signals Pin 3 I O Ground Pin 4 N C Pin...

Страница 23: ...ses The main power relay is referenced to 5Viso and I O Ground Tag Lock Output Pin 16 The TTL lock signal shows the presence of a tag The lock signal goes active high when a valid tag is in the RF fie...

Страница 24: ...S 232 interface is used as a backup monitoring system to the main RS 232 interface The auxiliary interface monitors data from the transponder interrogator The auxiliary RS 232 interface is a standard...

Страница 25: ...he steps to assemble the power connector Typically the power source is located in the same cabinet with the AI1422E The Power cable requires an 18 AWG stranded wire or larger with a minimum insulation...

Страница 26: ...he tabs on the plug insert Squeeze the tabs to remove the wire harness from the insert clip Figure 11 5 Remove the cable gland assembly from the rear of plug Figure 12 Figure 9 Remove Plug from Recept...

Страница 27: ...able gland housing and insert assemblies Figure 14 8 Loosen the wire retention screws on the wire harness Insert the wires into their respective pins and tighten the retention screws to ensure wires c...

Страница 28: ...insert and ensure the set screw is properly aligned with the hole on the plug housing 11 Insert the cable gland assembly back into the plug housing Using a wrench tighten the gland nut Connect Vin an...

Страница 29: ...r 1 Ensure that the ON OFF switch is in the OFF position Figure 19 2 Reinstall the power connector Press the latch firmly to ensure proper connection Figure 20 3 Toggle the ON OFF switch to the ON pos...

Страница 30: ...Figure 23 Protective Earth Ground Terminal CAUTION For safety and proper operation the 1422E must be properly fastened to a protective earth ground The ground stud is located on the front panel of the...

Страница 31: ...For proper grounding refer to the diagram in Figure 25 NOTE Grounding cable should be 16 AWG or larger Figure 25 Proper Single Ground Screw Diagram Chapter 3 Installation TransCore Proprietary 3 15...

Страница 32: ...1 Configure a terminal emulator a PC using communications software to 9600 baud no parity 8 data bits and 1 stop bit factory default settings for the reader 2 Connect the emulator to the main RS 232 i...

Страница 33: ...ommands 01 enters command mode 40 disables transmission of all IDs 00 enter data mode Reading the Tag To verify that the AI1422E Reader System is correctly reading tags 1 Toggle the ON OFF switch loca...

Страница 34: ...long as there is a tag in the field but only one response is forthcoming unless the 41 command has been issued 10 Remove the tag from the antenna field The PC should stop reading the tag data 11 Disa...

Страница 35: ...knowledgment from the host or an Error message from the AI1422E Reader Software XON XOFF flow control is optionally supported Be careful in the use of XON XOFF since noise induced characters may be in...

Страница 36: ...essage sequence numbers are also included when using ECP These sequence numbers are checked to determine if the message received has the correct sequence number if not the recipient rejects the messag...

Страница 37: ...des of operation Data Mode The AI1422E Reader is in Data Mode on power up While in Data Mode the AI1422E Reader sends all communications to the host computer as data messages such as tag IDs and repor...

Страница 38: ...yte designate the start of the data message 7E7E Message Type An 01H indicates that this message is a tag data message 01 SOH Transponder Seen Count After power up this 8 bit count begins with 01 and...

Страница 39: ...H 02H Transponder count host computer messages bad CRC incomplete host message Reserved Reserved Reserved CRC Table 3 Status Request Message Fields Field Description Hex ASCII Start of Message These t...

Страница 40: ...N A Number of incomplete Host Messages At power up the interrogator initializes this byte with 00 It is incremented each time an incomplete message is received from the Host 00 FF N A Reserved Reserve...

Страница 41: ...wo bytes along with the Message Type byte designate the start of the data message 7E7E Message Type An 01H indicates that this message is a tag data message 01 SOH Transponder Seen Count After power u...

Страница 42: ...f the host does not receive the Done message transmitted by the AI1422E Reader the host assumes that the command was not properly sent and does not switch to the new baud rate causing a loss of commun...

Страница 43: ...with previous generation AI1422 readers and is not recommended for use CAUTION To save user parameter changes to NVRAM you must send command 00 662 before powering down the reader Switch to Command Mo...

Страница 44: ...N If ECP is enabled ensure that the ECP timeout is sufficient for the new baud rate Refer to 525 Display Communications Protocol Status on page 6 36 101N Select Stop Bits 101N selects the number of st...

Страница 45: ...ime and date This time and date can be appended to IDs error messages and sensor input reports 20 Set Time 20 sets the time Enter the time in the proper format two digit decimal entries with no spaces...

Страница 46: ...the reader s current time and date One space separates the time and the date output Reader response HH MM SS hh MM DD YY where HH represents hours MM represents minutes SS represents seconds hh repres...

Страница 47: ...IDs 4103 Separation of 4 IDs Each time the reader receives a tag ID it compares the ID with the contents of a comparison register This register contains the following four items Item 1 Most recently...

Страница 48: ...t by Select Unique ID Code Criteria 410N to restart It is used in conjunction with the Variable Timeout 44N commands This command provides a method to end all uniqueness timers 44N Set Uniqueness Time...

Страница 49: ...ag lock relay is activated on any tag acquired Reader response Done 452 Disable Tag Translation Mode Factory Default 452 disables tag translation mode Incoming full frame tags will be directly convert...

Страница 50: ...ASCII string desired using command 696S S Reader response An ASCII string from 1 to 20 characters in length 510 Display RF Transceiver FPGA Version 510 displays RF FPGA VER XX XX 511 Display RF Transc...

Страница 51: ...9600 baud factory default B6 19 2 kbps B7 38 4 kbps S0 one stop bit factory default S1 two stop bits P0 no parity factory default P1 even parity P2 odd parity D0 00 ms end of line delay fixed One spa...

Страница 52: ...Communications Protocol Status 525 displays the status of command 61N Selected Communications Protocol Selected Mode of Flow Control and command 612NN ECP Timeout Reader response ECPS P 0 to 2 T 01 t...

Страница 53: ...Plus tags xx 00 to 1F hexadecimal range value Axx RF power attenuation where 00 is maximum output power and 0A is minimum output power 10 dB less than maximum power Ixx IAG RF power attenuation where...

Страница 54: ...eness timeout of two minutes maximum range for ATA tags maximum range for eGo and eGo Plus tags full RF power and IAG power set at 4 dB attenuation 529 Display Presence Input Status 529 displays the p...

Страница 55: ...ut infinite never expires factory default I0 input inversion disabled factory default I1 input inversion enabled For example if factory default settings are assigned the reader message is PRST P0 D0 A...

Страница 56: ...led or disabled Reader message TOF 0 to 1 where 0 Wiegand mode disabled 1 Wiegand mode enabled 533 Display Wiegand Retransmit Interval 533 displays the Wiegand retransmit interval This interval specif...

Страница 57: ...to enable 6171 Enable Echo Mode or disable 6170 Disable Echo Mode the echo of received commands Refer to 6170 Disable Echo Mode Factory Default on page 6 43 and 6171 Enable Echo Mode on page 6 44 for...

Страница 58: ...N for example hex digits A though F or a through f where NN 00 to FF hex for 0 to 255 factory default 00 Reader response Done 610 Select Basic Communication Protocol Factory Default 610 enables the ba...

Страница 59: ...ftware Flow Control options are available The N variable specifies Software Flow Control as shown in Table 12 Table 12 Software Flow Control Commands Command Software Flow Control Option Response 6140...

Страница 60: ...by input control command 642 Select RF by Input Control Reader response Done Table 13 RF Control Commands Command RF Power 640 Turns off RF 641 Turns on RF 642 Select RF by Input Control Factory Defa...

Страница 61: ...8 09 9 0A 10 Reader response Done 647XXX Select RF Operating Frequency Used only for FCC Part 90 Units 647XXX sets the reader RF from 860 to 930 MHz in 250 kHz steps where XXX is a hexadecimal value...

Страница 62: ...er to AI1422E Default Configuration Settings on page D 64 a listing of the defaults Reader response 663 Done 690N Select Presence Without Tag Report Option 690N enables or disables the presence withou...

Страница 63: ...hat the tag data is transmitted once and only once per presence on both serial and Wiegand ports 6922 turns off RF power either after the timeout period or upon the presence false condition whichever...

Страница 64: ...mber of the reader contains seven characters However to maintain backward compatibility the reader software allows only six characters to be entered When setting the serial number skip the fourth midd...

Страница 65: ...Report 831 enables the automatic periodic RF status report This function sends out a periodic RF status report if no other message a tag read is sent from the reader for a period of time This message...

Страница 66: ...ack the TX from the RS232 into the RX via a short wire Installing a loopback will cause the reader to reset its settings to factory default which is extremely useful during troubleshooting The procedu...

Страница 67: ...ce Verify that the baud rate is set correctly If an incorrect baud rate is suspected select and send each baud rate in turn using the 100X Baud Rate Select command and wait for a response Unit Will No...

Страница 68: ...647XXX Error08 The RF PLL has successfully regained lock and has been reset to its proper operating frequency The RF section is returned to its state prior to losing lock enabled disabled Error08 will...

Страница 69: ...o the factory AI1422E Reader Repair The AI1422E Reader is designed for whole unit replacement and is manufactured with surface mounted components It requires sophisticated testing and repair equipment...

Страница 70: ...1111 000100 011010 P 110000 000101 011011 Q 110001 000110 011100 R 110010 000111 011101 S 110011 001000 011110 T 110100 001001 011111 U 110101 001010 100000 V 110110 001011 A 100001 W 110111 001100 B...

Страница 71: ...quirement 24V to 110VDC 25 watts maximum Available frequency range 902 928 MHz FCC 860 870 MHz ETSI Approved frequency range for Federal Communications Commission and Industry Canada 902 25 903 75 MHz...

Страница 72: ...Figure 27 gives the mechanical dimensions of the AI1422E Reader Figure 27 AI1422E Reader Mechanical Dimensions AI1422E Reader User Guide TransCore Proprietary B 56...

Страница 73: ...ly to the AI1422E through the Ethernet Interface from a Windows computer The Lantronix CPR software can be found at http ltxfaq custhelp com app answers detail a_ id 928 and documentation of this soft...

Страница 74: ...k Setting up Local Host 1 Install the stand alone DeviceInstaller Figure 28 from the following link This is needed to know the IP address of the Ethernet to serial converter http ltxfaq custhelp com a...

Страница 75: ...face controller NIC card you are connecting to as shown in Figure 30 4 If the computer has multiple NIC cards you might see a prompt similar to the prompt shown in Figure 31 Select Yes Figure 30 Chang...

Страница 76: ...ork choose the Local Area Connection The selection can be changed at any time through the Options menu Refer to Figure 32 6 If you are not connecting through a network configure the IP Address and the...

Страница 77: ...IP address of Reader 1 From the Lantronix DeviceInstaller right click on the connection you choose and hit refresh Figure 35 Figure 34 Disable Firewall to Allow Access Figure 35 Lantronix DeviceInstal...

Страница 78: ...window Figure 36 3 Use the IP address to configure your terminal emulator Connection Ex PuTTY Use Telnet and Port 10001 Figure 37 Figure 36 Finding the IP address of a Reader Figure 37 PuTTY Configura...

Страница 79: ...onnection is similar to a serial connection 5 Ignore the local echo of the typed characters if using PuTTY Figure 38 Figure 38 PuTTY Connection Screen Appendix C Lantronix Ethernet Module TransCore Pr...

Страница 80: ...y default settings Table 23 lists all of the commands available to users in numerical order Table 24 lists the same commands in alphabetical order by command name Factory Default Settings Note Table 2...

Страница 81: ...abled 6900 RF off control Timeout or no presence 6922 RF timeout Never true 693F Serial number SSSSSS 695 Store hardware configuration Hardware configuration not known 696 Automatic periodic RF status...

Страница 82: ...time clock 20HH MM SS Done 20HH MM SS Done 21MM DD YY Set the date in the real time clock 21MM DD YY Done 21MM DD YY Done 22 Display Time and date 22 HH MM SS hh MM DD YY 22 HH MM SS hh MM DD YY 40 Di...

Страница 83: ...te 4800 baud Done 1005 Set baud rate 9600 baud Done 1006 Set baud rate 19 2 K baud Done 1007 Set baud rate 38 4 K baud Done 1010 Use one stop bit Done 1011 Use two stop bits Done 1020 Disable parity D...

Страница 84: ...e ATA Done if AI1422E model supports this tag protocol Error if tag protocol is unsupported 505 Display version Model E4 Ver version no SN serial no 506 Display hardware configuration information S S...

Страница 85: ...P2 odd D0 EOL delay of 0 ms 524 Display appended info status IDAP T0 D0 Xx T0 time not appended T1 time appended D0 date not appended D1 date appended X0 aux info not appended X1 aux info appended 525...

Страница 86: ...value Axx RF power attenuation 00 max to 0A min 10 dB less than max I04 fixed Note If you enter RF settings using command 642NN the display command for RF output frequency F is Fxx and indicates use o...

Страница 87: ...f 48 ms T8 RF timeout of 60 ms T9 RF timeout of 92 ms TA RF timeout of 152 ms TB RF timeout of 300 ms TC RF timeout of 452 ms TD RF timeout of 600 ms TE RF timeout of 752 ms TF RF timeout infinite nev...

Страница 88: ...ay operating mode status ATA E D eGo D SeGo D IAG D EPC D sort D AI1422E can only do ATA eGo SeGo sort not applicable E Enabled D Disabled 577 Report buffered handshakes XX number of handshakes 60NN S...

Страница 89: ...t Done 66F Load default operating parameters except RF operating frequency 663 Done 662 Exits Command Mode Done 6900 Disable presence without tag reports Done 6901 Enable presence without tag reports...

Страница 90: ...ader Message 696S S Store hardware configuration string S S ASCII string maximum length of 20 characters Done 830 Disable automatic periodic RF status report Done 831 Enable automatic periodic RF stat...

Страница 91: ...r if tag protocol is unsupported Automatic periodic RF status report disable 830 Done Disable echo 6170 Done Disable flow control 6140 Done Disable parity 1020 Done Disable presence without tag report...

Страница 92: ...character is Display DSP Board Actel Version 513 DSP FPGA VER XX XX Display echo status 537 ECHO 0 to 1 0 disabled factory default 1 enabled Display flash checksum 540 PCKS I0000 Exxxx xxxx 4 byte AS...

Страница 93: ...red T1 RF timeout of 4 ms T2 RF timeout of 8 ms T3 RF timeout of 12 ms T4 RF timeout of 20 ms T5 RF timeout of 24 ms T6 RF timeout of 32 ms T7 RF timeout of 48 ms T8 RF timeout of 60 ms T9 RF timeout...

Страница 94: ...RF power attenuation 00 max to 0A min 10 dB less than max I04 fixed Note If you enter RF settings using command 642NN the display command for RF output frequency F is Fxx and indicates use of the back...

Страница 95: ...date 22 HH MM SS hh MM DD YY Display version 505 Model E4 Ver version no SN serial no Display Wiegand Mode Status 532 TOF 0 to 1 Display Wiegand Retransmit Interval 533 WTI 01 to FF Enable ATA 481 Don...

Страница 96: ...11 Done Select even parity 1021 Done Select four ID separation 4103 Done Select odd parity 1022 Done Select one ID separation 4100 Done Select RF operating frequency 642NN Done Select RF operating fre...

Страница 97: ...inite 693F Done Set serial number 695S S Done Set time 20 Done Set uniqueness time out to 15 seconds 442 Done Set uniqueness time out to 2 minutes 441 Done Set uniqueness time out to 30 seconds 443 Do...

Страница 98: ...6470AE 903 5 6470AF 903 75 6470C8 910 6470C9 910 25 6470CA 910 5 6470CB 910 75 6470CC 911 6470CD 911 25 6470CE 911 5 6470CF 911 75 6470D0 912 6470D1 912 25 6470D2 912 5 6470D3 912 75 6470D4 913 6470D5...

Страница 99: ...916 25 6470E2 916 5 6470E3 916 75 6470E4 917 6470E5 917 25 6470E6 917 5 6470E7 917 75 6470E8 918 6470E9 918 25 6470EA 918 5 6470EB 918 75 6470EC 919 6470ED 919 25 6470EE 919 5 6470EF 919 75 6470F0 92...

Страница 100: ...7 Shift Right 7 high bit remains newByte 1 Left shift by 1 newByte carryOld Or the carry bit previous high bit into new Byte low bit carryOld carryNew put carryNew into carryOld Following 3 stmnts im...

Страница 101: ...Crc 0x00 for j 0 j 5 j for i 0 i sizeof newStr j i newCrc generateCrc newStr j i newCrc printf 0x 02X c n newStr j i newStr j i printf crc 0x 02X c n newCrc newCrc printf n newCrc 0x00 Computed CRCs f...

Страница 102: ...rt 800 923 4824 Technical Support 505 856 8007 transcore com 2018 2020 TransCore L P All rights reserved TRANSCORE is a registered trademark and is used under license All other trademarks listed are t...

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