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Manual Escort LRP2000

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    Operator ’ s Manual LRP2000 Passive Reader/W riter Manual Revision 04, 04-04 Publication # 17-1050 ...

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    LRP2000 Long-Ra nge Passive Reader/Wr iter ii Escort Memory Systems W arranty Escort Memory Systems warrants that all product s of it s own manufactur e conf orm to Escort Memory Systems specifi- cations, and are free from defe cts in material and wo rk manship when used under no rmal operating conditions and within the service conditions for which ...

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    LRP2000 Passive Reader/Writer i Chapter 1 Introduction 1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.3 FCC Com ...

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    Table of Contents ii LRP2000 Passive Reader/Writer 5.2.6 Return to Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 5.3 Download New Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 5.4 Downloading DSP Firmware . . . . ...

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    Table of Contents LRP2000 Passive Reader/Writer iii 6.5.10 ABxF Command 82H: Read Data an d SN All . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 6.5.11 ABxF Command 83H: Start/Stop Cont inuous SN Read All . . . . . . . . . . . . . . . . . . . 103 6.5.12 ABxF Command 84H: Fill All . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    1 LRP2000 Passive Reader/Writer 1 Introduction 1.1 Introduction Escort Memory Systems' passive read/write system is a complete family of field- proven read/write Ra dio- Frequency Identification (RFID) products. The system consist s of RFID tags, reader/writers, antennas, controllers, bus interfaces, and ancillary equipment. T ags can be atta ...

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    Introduction LRP2000 Passive Reader/Writer 2 1.3 FCC Compliance This equipment has been tested and found to comply with the limits for a Class B digit al device, pursuant to Part 15 o f the FCC Ru les. These limits are designed to prov ide reasonab le protect ion against harmful interference in a resident ial inst allation. This equipment generates ...

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    Introduction 3 LRP2000 Passive Reader/Writer 1.3.1 FCC Certifications ...

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    Introduction LRP2000 Passive Reader/Writer 4 ...

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    Introduction 5 LRP2000 Passive Reader/Writer 1.4 CE S t atement This product complies with the Eu ropean Community's CE st andards and has been tested and certified to meet the required standard s, EN 300 3300-2 and EN 301 489-3. It is the responsibility of the system installer to ensure that it is used in compliance with local regulations. Mo ...

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    Introduction LRP2000 Passive Reader/Writer 6 1.5 Changes and Modifications Any changes or modifications to the LRP2000 not ex pressly approved by Escort Memory Systems could void the user's authority to opera te the equipment. ...

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    7 LRP2000 Passive Reader/Writer 2 Inst allation and Guidelines 2.1 Dimensions Figure 1 gives the dimensions for the LRP2000 controller . Figure 1: LRP2000 Dimensions ...

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    Installation and Guidelines LRP2000 Passive Reader/Writer 8 Figure 2 shows the LRP2000 mounting hole locations. Figure 2: LRP2000 Mounting Hole Locations and Dime nsions ...

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    Installation and Guidelines 9 LRP2000 Passive Reader/Writer Figure 3 gives the dimensions for the LRP2000-23 an tenna Figure 3: LRP2000-23 An tenna Dimensions ...

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    Installation and Guidelines LRP2000 Passive Reader/Writer 10 Figure 4 gives the dimensions for the LRP2000- 26 an tenna. Figure 4: LRP2000-26 An tenna Dimensions ...

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    Installation and Guidelines 11 LRP2000 Passive Reader/Writer 2.2 Inst allation Antenna Environment Electromagnetic radi ation and the pres ence of me tal within the reading fiel d of the antenna af fect the range of the LRP2000. Mount the an tenna to mi nimize the impact of these fa ctors. Inst alling the Antenna Once a suitable location is selecte ...

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    Installation and Guidelines LRP2000 Passive Reader/Writer 12 T o assemble the LRP2000 antenna: 1. Place the ba se half on a flat surf ace and no te the position of the green dots shown in Figure 6. Figure 6: Green Orient ation Dots Loc ation ...

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    Installation and Guidelines 13 LRP2000 Passive Reader/Writer 2. Align the halve s according to the green dot s and p lace the top half o f the antenna on the base half. See Figure 7. Check that the halves have matching ser ial numbers (see Figu re 6). Figure 7: Green Dot Alignment 3. Make the electrical connection between the two halves as shown in ...

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    Installation and Guidelines LRP2000 Passive Reader/Writer 14 4. Slide the joining p late into place fr om below and secu r e the top row of fasteners. Make sure you d o not bind the connector or wire under the joining plate. Figure 9: Joining Plate and Fasteners 5. Repeat on the other side of the anten na. 6. Fasten the bo ttom row of joining plate ...

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    Installation and Guidelines 15 LRP2000 Passive Reader/Writer Figure 1 1 shows a completed LRP2000-26 an tenna. Figure 1 1: Completed LRP2000-26 Antenna ...

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    16 LRP2000 Passive Reader/Writer 3 Electrical Interface 3.1 Connectors and Wiring Figure 12 shows the front connector p a nel with the four strain reliefs and the RF connectors. The controller ships with sealing plugs in the strain reliefs. For an environment al seal, leave these plugs in place for any unused location. Figure 12: RF Connectors and ...

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    Electrical Interface 17 LRP2000 Passive Reader/Writer Figure 1 3 shows an internal vi ew of the co ntroller . I t details the locations of all internal term inal blocks needed for wiring the system. Figure 13: Internal Connectors CAUTION: The controller contains ESD-sensitive compone nts. Always observe ESD-sensitive handling procedures when work i ...

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    Electrical Interface LRP2000 Passive Reader/Writer 18 3.2 Antenna Cabling Figure 14 shows the two antenna connectors at the base of the LRP2 000 antenna. Figure 14: Antenna Connect ors Connect one end of the ante nna cable assembly , CBL-14 75, to the antenna conne ctors at the base of the antenna. Mate the connectors at the opposite end of th e ca ...

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    Electrical Interface 19 LRP2000 Passive Reader/Writer 3.2.1 Connecting Single Antenna System Figure 15 shows how to connect the LRP2 000 an d antenna in a single antenna configur ation. Figure 15: Single An tenna System Connections ...

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    Electrical Interface LRP2000 Passive Reader/Writer 20 3.2.2 Connecting a Dual Antenna System In dual antenna systems, one LRP2000 serves as the master and the other acts as the slave. Figure 16 shows how to connect two LRP200 0s in a master/slave configuration. Figure 16: Dual Antenna System Connect ions ...

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    Electrical Interface 21 LRP2000 Passive Reader/Writer 3.3 Dat a T erminal Blocks Figure 17 shows the LRP2000 RS232 terminal block J8 , and a det ail view the terminal arrang ement. Figure 17: J8 COM1 RS232/COM2 RS2 32 T able 1 lists the RS232 pinouts. T able 1: RS232 Pinouts, J8 T erminal Block NOTE: The signal names given in T able 1 refer to the ...

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    Electrical Interface LRP2000 Passive Reader/Writer 22 Figure 18 shows the LRP2000 COM1 RS422 terminal block, J10, and a detail view illustrating the arrangement of the ter minals. Figure 18: J10 COM1 RS422 ...

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    Electrical Interface 23 LRP2000 Passive Reader/Writer The signal names given in T able 2 refer to the signal s from the LRP200 0, not the signals from the host. 3.4 Power Supply Wiring CAUTION: The antenna cables must be properly connected to bo th the controller and the antenna at any time that power is applied to the controller . Failure to prope ...

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    Electrical Interface LRP2000 Passive Reader/Writer 24 Figure 19 shows the LRP2000 power supply and spad e lugs. Figure 19: Input Power Supply Lugs Figure 20 shows the LRP2000 input power terminals. Figure 20: 28 VDC Input Power T erminals ...

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    Electrical Interface 25 LRP2000 Passive Reader/Writer 3.5 RS232 Wiring The recommended cable type for RS232 communication is Belden p art number 9941. S pecifications for Belden cables can be found at WWW .BELDEN.COM. 3.6 RS422 Wiring and T ermination In installations wher e long cable runs must be used, or in noisy environ men ts, RS422 is the com ...

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    Electrical Interface LRP2000 Passive Reader/Writer 26 Because of the narrow size of the strain reliefs on the LRP2000, the st an dard RJ-45 connector cannot be inserted through the strain relief. EMS re commends that you loosen the nut on the strain relief, feed through the cable, and crimp the conn ector in place. After th e connector is crimped o ...

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    Electrical Interface 27 LRP2000 Passive Reader/Writer 3.8.1 Input s The +IN terminal must be at a highe r positive potenti al than the -IN terminal for current to be sensed correctly . The voltage range is 4.5 to 30V b etween the +IN and the -IN inpu t s, and the maximum current is 25 mA. Figure 22: J23 Input Conn ector T able 4: Input Connector Pi ...

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    Electrical Interface LRP2000 Passive Reader/Writer 28 3.8.2 Output s The output is limited to 30 VDC when of f and 500 mA . These are maximum ratings. A device that operate s at 200 mA may destroy the output due to inrush curr ent if that current exceeds 500 mA (such as an incandescent light). The inductive kick (back EMF fr om a co llapsing magne ...

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    Electrical Interface 29 LRP2000 Passive Reader/Writer Figure 23: J20 Output Connector T able 5: Output Connector Pinout Te r m i n a l Number Signal Name Polarity 1+ O U T A P o s i t i v e 2 - OUT A Negative 3+ O U T B P o s i t i v e 4 - OUT B Negative 5+ O U T C P o s i t i v e 6 - OUT C Negative 7+ O U T D P o s i t i v e 8 - OUT D Negative 9 G ...

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    Electrical Interface LRP2000 Passive Reader/Writer 30 Figure 24: Input from Sourc ing Cont act Figure 24 shows the switch on the high side with t he low side grounded. As this is a “ Dry” contact (the current is limited to 15 mA), a high -quality sealed switch should be used. Figure 25: Input from Sin king Cont act Figure 25 shows a switch conn ...

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    Electrical Interface 31 LRP2000 Passive Reader/Writer Figure 26: Input from NPN Sens or Figure 26 shows an Open Collector NPN output from a photosensor switching to ground. It can be wired as a sinking or low-side contact. Figure 27: Input from NPN Sens or Figure 27 shows an Open Collector PNP output from a photosenso r switching to a positive su p ...

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    Electrical Interface LRP2000 Passive Reader/Writer 32 Figure 28: Sourcing Output 'Cont act Figure 28 shows a relay connected as a curr ent sourci ng “Contact.” Th e relay is g rounded and the +OU T terminal goes to the positive su pply . The diode across the relay coil is essential to pr otect the output cir cuit and reduce noise along the ...

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    Electrical Interface 33 LRP2000 Passive Reader/Writer Figure 30: Sinking Output LED Driver In Figure 30, the LED and current limiting resistor are in series between the positive su pp ly an d the +OUT terminal. The -OUT term inal is groun ded. The re sistor in series with the LED se ts the forward current. 1.2 K provid es 20 mA LED current wh en ru ...

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    Electrical Interface LRP2000 Passive Reader/Writer 34 3.9 Master/Slave Configuration Y ou can use the LRP2000 in a single or dual an te nna configur ation . All LRP2000s are set by default to be master controllers for single an tenn a systems. For dual antenna syste ms, you must make one jumper change to the maste r and change the secon d controlle ...

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    Electrical Interface 35 LRP2000 Passive Reader/Writer 3.9.2 DIP Switch Settings on the Slave T o set a LRP2000 to operate as a slave in a dual anten na inst allation, you must change the settings of DIP switch banks S1 and S2. For reference, T able 6 shows the settings for a master LRP2000. The corr ect settin gs for swit ch banks S3 and S5 are als ...

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    Electrical Interface LRP2000 Passive Reader/Writer 36 T o change the switches to a slav e configuration, make the changes highlighted in T able 7. Make sure power to the LRP2000 is off b efore changing DIP switch settings. NOTE: Do not make any changes to switch bank S3 and S5. 3.9.3 Setting Jumper J16 on the Slave Jumper J16 is a three-pole jumper ...

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    37 LRP2000 Passive Reader/Writer 4 Communications Interface 4.1 Configuring the Serial Interface 4.1.1 COM1 In normal use for reading a nd writing RFID tags, comm unications with the LRP2000 occurs v ia the main communicat ions inte rface, CO M1. Th is communications interface can be accessed by both point-to-point and addressed ser i al communicat ...

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    Communications Interface LRP2000 Passive Reader/Writer 38 The communication options for the COM2 interf ace are listed in T able 10. The default configuration p arameters for COM2 are listed in T able 1 1. T able 10: COM2 Parameters Baud Rate 1200, 2400, 4800, 9600, 19200 bps Number of Data Bits 7, 8 Parity Even, Odd, None Flow Control None, Xon/Xo ...

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    Communications Interface 39 LRP2000 Passive Reader/Writer 4.1.3 Digit al Board DIP Switch The digit al board is mounted inside the LRP2000 enclos ur e closest to the wall with the cable entries. The first five switches of the main board set the COM1 bau d rate, electrical interf ace, and the download options for COM2. SW6, SW7 and SW8 are not used ...

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    Communications Interface LRP2000 Passive Reader/Writer 40 NOTE: By setting SW5 ON to enable down load, the default parameters will first be restored and saved to the non-volatile memory , erasing the previously stored communication and o perating parameters. These parameters will take ef fect af ter a hard reset or a power-on rese t. A hard reset i ...

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    Communications Interface 41 LRP2000 Passive Reader/Writer Once connected, apply power to the LRP2000 and di re ct the PC's web br owser to http://192 .168.253.222. The page shown in Figure 36 is disp layed while the inte rface pages load. Figure 36: Menu Loading Page ...

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    Communications Interface LRP2000 Passive Reader/Writer 42 Click “Connect” to see the current configurat ion of the module as shown in Figure 37. Figure 37: Configuratio n Page ...

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    Communications Interface 43 LRP2000 Passive Reader/Writer T o change the IP address, click “Server Properties” from the menu on the lef t. This loads the Server Properties p age as shown in Fi gure 38. Figure 38: Server Propertie s Page Click the “Edit” button next to the IP addres s field to display a separate window . T ype or paste in th ...

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    Communications Interface LRP2000 Passive Reader/Writer 44 Figure 39: LED Indicators T able 13: LED Indicators LED Color Meaning POWER RED The LRP2000 is receiving power COM1 GREEN / RED RED: Incoming data on COM1 RS232 RX GREEN: Outgoing data on COM1 RS232 TX and COM1 RS422 Y and Z INPUT A YELLOW The Input is active INPUT B YELLOW The Input is acti ...

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    Communications Interface 45 LRP2000 Passive Reader/Writer Flashing LED Signals Flashing LED indicators, or combinations of flashing LED indicato rs, are used to indicate cert ain con troller states, or transitions from one st ate to another . ERROR LED - 4 Flashes The ERROR LED alone flashes four times to indicate th at the controller is enterin g ...

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    Communications Interface LRP2000 Passive Reader/Writer 46 The E-DIAG LED and the E-CHAN 1 LEDs blink at t he same time to indicate the following errors: Number of Blinks Error 4 Faulty Network Connection 5 No DHCP Respon se Received ...

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    LRP2000 Passive Reader/Writer 47 5 Menu Configuration The LRP2000 features a menu-dr iven program designed to give convenient access to the serial parame ters, restore default s, or change op er ating modes. 5.1 How to Enter the Menu Configuration Begin by connecting the COM2 port to your PC host (s ee tab le be low) a nd runn ing EC th at is avail ...

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    Menu Configuration LRP2000 Passive Reader/Writer 48 5.2 Set-Up Operat ing Paramete rs T o change the operating parameters of the LRP2000, enter 1 at the initial menu. The following menu is displayed, lis ting the current settings (the exact appearance of th e menu display depends on the settings you ha ve made and will be updated when you save your ...

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    Menu Configuration 49 LRP2000 Passive Reader/Writer 5.2.3 Set Operating Mode The “[3] Set Operating Mode” menu allows you to choose the ABx command protocol the LRP20 00 uses, or configures it to enter Continuous Read Mode auto matically upon start- up . *** Set Operating Mode *** Operating Mode? [0] ABx Standard* [1] ABx Fast [2] ABx ASCII Fra ...

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    Menu Configuration LRP2000 Passive Reader/Writer 50 If a two-character preamble is desir ed, you are prompted to enter the h exadecimal value of both characters. The promp ts shown below are if ABx Fast pr otocol was selected. If ABx ASCII protocol was selected, the prompt s will reflect that. First F AST Header Character (01 - 7F) = Second F AST H ...

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    Menu Configuration 51 LRP2000 Passive Reader/Writer If option 2 or 3 is selected fro m th e “Po we r Up In Cont inu o us Read Mode ” me n u, the fo llow i ng prom pts appear to allow you to specify th e starting ta g address, how many bytes will be read, the Family Code subset of tags to be read, the number of different t ags that mu st be seen ...

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    Menu Configuration LRP2000 Passive Reader/Writer 52 5.2.4 Set RF Communication *** Set RF Communication *** RF Communication Enter T ag Category Save Changes to EEPROM RF Communication Fast Mode or S tandard Mode se ts the RF dat a rate from the reader to the ta g and should be set to the default condition “Fast Mo de.” S tandard Mode wa s impl ...

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    Menu Configuration 53 LRP2000 Passive Reader/Writer 5.3 Download New Program Before attempting to download new firmware to the LRP2000 main board, read the instructions provided in a readme.txt file on the up da te diske tt e. When you select 2 from the Main Menu, th e LRP20 00 displays information on the current pr ogram and prompt s you to begin ...

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    Menu Configuration LRP2000 Passive Reader/Writer 54 Send the new firmware via your terminal emulation pr ogram in ASCII text or hexadecimal format. The firmware is automatically transferred to the DSP Fl ash Memory . W ait 10 seconds af ter the download is complete before re setting the LRP2000. Record: 750 Download OK File T ransfer to DSP Block 2 ...

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    LRP2000 Passive Reader/Writer 55 6 RFID Communications 6.1 Introduction Conventions In this manual, numbers expressed in hexadecima l are appended with “H.” For exampl e, the decimal number 10 is expresse d as “0AH” in hexadecim al. The addr esses of t he bytes of read/write m emory wit hin an RFID tag ar e numbered from 0 to N, where N is ...

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    RFID Communications LRP2000 Passive Reader/Writer 56 6.1.1 ABx Command Set Listings T able 14, T able 15, and T able 16 list the ABx commands recognized by the LRP2000. NOTE: The delay between the characters of a command s ent to the contro ller cannot be longer than 200 ms. T able 14: Single T ag Commands 04H Fill T ag 05H Read 06H Write 07H Read ...

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    RFID Communications 57 LRP2000 Passive Reader/Writer 6.2 Command Parameters 6.2.1 Command T imeout All single-tag and multi-tag command s have a timeout valu e th at is used to specify the time the controller will attempt to complete the specifie d operation. The absolute minimum time out value that can be issued to the controller is 1 millisecond. ...

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    RFID Communications LRP2000 Passive Reader/Writer 58 At the pallet l evel, a read command of the case level family coded t ags would produce the quantity of cases on the p allet and the case da ta and the qu antity of cases could be written to the pallet tag using the pallet t ag family code. This way a pallet going through a gate can be read quick ...

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    RFID Communications 59 LRP2000 Passive Reader/Writer 6.4 S t andard ABx Protocol The ABx standard is a binary pr otocol, word (2-byte) orie nted, so th e syntax table reports the most significant byte (MSB) and the least significant byte (LSB). In the serial transmission, the MSB is transmitted first. T able 17: Single T ag Example Field Number of ...

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    RFID Communications LRP2000 Passive Reader/Writer 60 6.4.1 ABxS Command 04H: Fill T ag DESCRIPTION Fill an RFID tag with a one-byte value over multiple cont iguous addresses. DISCUSSION This command is commonly used to clear contiguous segments of a t ag's memory . It writes a one-byte value repetitively across a specified range of tag address ...

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    RFID Communications 61 LRP2000 Passive Reader/Writer 6.4.2 ABxS Command 05H: Read DESCRIPTION Read data fr om contiguous bytes of the RFID t ag's read/write memo ry . DISCUSSION This command is used to read bytes from contigu ous areas of tag memor y . The minimum length of the data read from the t a g is 1 byte. The maximum is the entire read ...

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    RFID Communications LRP2000 Passive Reader/Writer 62 6.4.3 ABxS Command 06H: W rite DESCRIPTION Writes data to an RFID tag. DISCUSSION This command is used to write segment s of data to contiguous ar eas of tag memory . It is capable of transferrin g up to 1 12 bytes of data transf erred from the Host with one command. The timeout value is given in ...

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    RFID Communications 63 LRP2000 Passive Reader/Writer 6.4.4 ABxS Command 07H: Read T ag Serial Number DESCRIPTION This command retrieves the eight-b yte tag serial number . DISCUSSION Each contro ller tag has a uni que serial n umber . Th is number cannot be changed and is not p art of the available data bytes. The tag serial num ber is returned in ...

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    RFID Communications LRP2000 Passive Reader/Writer 64 6.4.5 ABxS Command 08H: T ag Search DESCRIPTION Check to see if there is an RFID t ag in the antenna field. DISCUSSION This command activates the controlle r to search for the presence of a ta g within range of the antenna. If the controller finds a t ag, it returns a command echo to the host. Th ...

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    RFID Communications 65 LRP2000 Passive Reader/Writer In Continuous Read mode, the LEDs indic ate the following: The command and response fr om the controller are formatted as follows. This example places the controller in Co ntinuous Read mode and reads eight bytes of dat a from the tag starting at addre ss 0001H. A delay between identical reads of ...

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    RFID Communications LRP2000 Passive Reader/Writer 66 T o exit Continuous Read mode, send the command with the r ead leng th vari able se t to 0 as shown b elow . The value of the othe r variables ar e not cons idered. 6.4.7 ABxS Command 14H: Get Memory S tatus DESCRIPTION Returns the lock status of th e specified blocks of data. DISCUSSION This com ...

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    RFID Communications 67 LRP2000 Passive Reader/Writer 6.4.8 ABxS Command 16H: W rite Family Code DESCRIPTION Changes the family code o f an RFID tag. Response from controlle r: 6.4.9 ABxS Command 17H: Lock Family Code Description: Locks the Fa mily Code Byte t o its current value, so that it cannot be written. On ce locked, the Family Code cannot be ...

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    RFID Communications LRP2000 Passive Reader/Writer 68 6.4.10 ABxS Command 82H: SN Read All DESCRIPTION Command 82H reads the serial numbers and the specifie d bytes of data from all RFID tags in the field or those with the specified Family ID. Returns the seri al number of the tags read, alo ng with tag data. DISCUSSION This command is used to read ...

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    RFID Communications 69 LRP2000 Passive Reader/Writer Example Reads two bytes of dat a from the tag starting at add ress 0001H. A timeou t of 2 seconds (07D0H = 2000 x 1 ms increments) is set for the completi on of the SN Read All. The Family ID byt e i s s et to ze ro , s o a ll tag s will be read. T wo tags re spond with read data. Command from Ho ...

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    RFID Communications LRP2000 Passive Reader/Writer 70 6.4.1 1 ABxS Command 83H: S t art/ Stop Continuous SN Read All DESCRIPTION Command 83H star t s and stops continuous read all mode for multiple tag s. It reads the serial number and tag dat a. If the read length is zero (0), then only the tag's serial number is re ad. While in this mode, any ...

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    RFID Communications 71 LRP2000 Passive Reader/Writer 00H 00H Serial Number byte /T ag 1 00H 01H Serial Number byte /T ag 1 00H 04H Serial Number byte /T ag 1 00H E0H Serial Number byte /T ag 1 00H 6CH T ag data byte /T ag 1 00H 6CH T ag data byte /T ag 1 00H 20H T ag data byte /T ag 1 FFH FF H Message T erminator AAH 83H Command Echo 00H 4BH Serial ...

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    RFID Communications LRP2000 Passive Reader/Writer 72 6.4.12 ABxS Command 84H: Fill T ag All DESCRIPTION Command 84H fills all RFID tags-in-field or all t ags in the same family , with a one-byte valu e over multiple contiguous addresses. DISCUSSION This command is commonly used to clear an RFID ta g's memory . It writes a one-byte value repeti ...

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    RFID Communications 73 LRP2000 Passive Reader/Writer 6.4.13 ABxS Command 85H: Read All DESCRIPTION Command 85H reads dat a from all RFID tags-in-fiel d , or those tags with th e specified Family ID. DISCUSSION This command is used to read segment s of data fr om contiguous ar eas of tag memory . It is capable of handling up to 1 kByte of da ta tran ...

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    RFID Communications LRP2000 Passive Reader/Writer 74 Example Reads four byte s of data from the tag starting at address 000 1H. A timeout of 2 seco nds (07D0H = 20 00 x 1 ms increments ) is set for the completio n of the Read A ll. The Family ID byte is set to zero, so all tags are read. Three t ags respond with read dat a. Command from Host Respon ...

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    RFID Communications 75 LRP2000 Passive Reader/Writer 6.4.14 ABxS Command 86H: Write All DESCRIPTION Command 86H writes data to all RFID t ags , or all tags with the same Family ID. DISCUSSION This command is used to write segment s of data to contiguous ar eas of tag memory . It is capable of transferring up to 1 kByte of data from the Host with on ...

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    RFID Communications LRP2000 Passive Reader/Writer 76 6.4.15 ABxS Command 87H: Read T ag SN All DESCRIPTION Command 87H retrieves the eig ht-byte tag seria l number from all tags, or those with the specified Family ID number . DISCUSSION Each ISO-15693 compliant ta g has an unique serial number (over 280 trillion possibilitie s). This number cannot ...

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    RFID Communications 77 LRP2000 Passive Reader/Writer 6.4.16 ABxS Command 88H: T ag Search All DESCRIPTION Command 88H checks to see if there is an RFID tag with in range of the antenna. DISCUSSION This command activates controller to look for a t ag in ra nge. As soon as the controller fin ds a t ag it returns a command echo to the host. The timeou ...

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    RFID Communications LRP2000 Passive Reader/Writer 78 6.4.17 ABxS Command 8BH: Write Family Code All DESCRIPTION Command 8BH can be used to write the fa mily code of all ta gs in the field . It can also be used to selectively rewrite the family codes of tags with family codes already set to a particular va lue. The command is formatte d as sh own be ...

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    RFID Communications 79 LRP2000 Passive Reader/Writer 6.4.18 ABxS Command 8CH: Lock Family Code All DESCRIPTION Command 8CH locks the family codes of t ags in the fie ld. Once locked, the family codes cannot be changed or unlocked. DISCUSSION The command must pass a family code to select the t ags whose family code will be locked. The controller ret ...

  • Escort LRP2000 - page 85

    RFID Communications LRP2000 Passive Reader/Writer 80 6.4.19 ABxS Command 8DH: St art/Stop Continuous Read All DESCRIPTION Command 8DH star ts and stop s Continuous Read All mode for multiple tags. DISCUSSION The S tart/S top Continuous Read All mode is set by the length byte. T o start Continuous Read All mode, send the command with valid, non-zer ...

  • Escort LRP2000 - page 86

    RFID Communications 81 LRP2000 Passive Reader/Writer After the contro ller sends the acknowledgment, it sends the re ad data from the three t ags. Dat a response from controlle r MSB LSB Remarks AAH 8DH Command Echo/T ag 1 00H 30H Data byte 1/T ag 1 00H 31H Data byte 2/T ag 1 00H 32H Data byte 3/T ag 1 00H 33H Data byte 4/T ag 1 FFH FFH T erminator ...

  • Escort LRP2000 - page 87

    RFID Communications LRP2000 Passive Reader/Writer 82 6.4.20 ABxS Command 91H: Memory Lock All DESCRIPTION Command 91H locks contiguous blocks of read- write memory . Once bytes are locked, they cannot be written to, nor can they be unlocked. DISCUSSION The memory can be locked only in contiguou s blocks. The command passes one p arameter for the fi ...

  • Escort LRP2000 - page 88

    RFID Communications 83 LRP2000 Passive Reader/Writer 6.4.21 ABxS Command 94H: SN Fill DESCRIPTION Command 94H fills only the RFID tag specified by the serial nu mber with a one-byte value over mu ltiple contiguous addresses. DISCUSSION This command is commonly used to clear an RFID ta g's memory . It writes a one-byte value repetitively across ...

  • Escort LRP2000 - page 89

    RFID Communications LRP2000 Passive Reader/Writer 84 Example Writes 'A' ( 41H) to a single t ag, star ting at t ag addr ess 0005H for the n ext consecutive 40 bytes. The family code is set t o 00H. A timeou t of 2 seco nds (07D 0H = 2000 x 1 ms incremen ts) is set for the completion of the command. Command from Host Response from Controll ...

  • Escort LRP2000 - page 90

    RFID Communications 85 LRP2000 Passive Reader/Writer 6.4.22 ABxS Command 95H: SN Read DESCRIPTION Command 95H reads dat a from a specified RFID t ag. DISCUSSION This command is used to read segment s of data fr om contiguous ar eas of tag memory . It is capable of handling up to 48 byte s of da ta transfe rr e d to th e ho st with one command if th ...

  • Escort LRP2000 - page 91

    RFID Communications LRP2000 Passive Reader/Writer 86 6.4.23 ABxS Command 96H: SN Write DESCRIPTION Command 96H writes data to a single RFID t a g specified by its serial num ber . DISCUSSION This command writes segment s of dat a to contiguous ar eas of tag memory . It is capabl e of transfe rring up to 1 kByte of data tran sferred from the host to ...

  • Escort LRP2000 - page 92

    RFID Communications 87 LRP2000 Passive Reader/Writer Example Writes four bytes o f data, starting at address 0 001H. A timeout of 2 second s (07D0H = 2000 x 1 ms increments) is set for the completion of th e Write. The Family ID Code is set to 00H. Command from Host Response from Controller MSB LSB Remarks MSB LSB Remarks AAH 96H Perform Command 96 ...

  • Escort LRP2000 - page 93

    RFID Communications LRP2000 Passive Reader/Writer 88 6.4.24 ABxS Command 10H: Set Outp ut DESCRIPTION Command 10H set s the states of the outp ut lines and output LEDs “A” through “D.” DISCUSSION This command sets the st ate of the digit al ou tput li nes using a one-byte parameter , O utput St at us. The least significant nibble o f the Ou ...

  • Escort LRP2000 - page 94

    RFID Communications 89 LRP2000 Passive Reader/Writer 6.4.25 ABxS Command 1 1H: Input St atus DESCRIPTION Command 1 1H returns the status of user input s. DISCUSSION This command interrogate s th e st ate of the user input lines and retu rn a one -b yte p a ra meter , Input S tatus. The least significant nibble of the Input S tatus Byte is determine ...

  • Escort LRP2000 - page 95

    RFID Communications LRP2000 Passive Reader/Writer 90 6.5 ABx Fast Protocol The ABx Fast protocol dif fers from the Abx S tandard Pr otocol in tha t the atomic data element is a byte instead of a 16-bit word . ABx Fast comm ands and respon ses also contain a two-byte word to indicate the size of the packet being sent. ABx Fast also support s the use ...

  • Escort LRP2000 - page 96

    RFID Communications 91 LRP2000 Passive Reader/Writer The summed values begin with the Command Size a nd en d with the timeout value. That sum, less overflow , is subtracted from FFH for the checksum value. Thus: 00H + 03H + 01H + 07H + D0H = DBH FFH - DBH = 24H ABx Fast Single T ag Command Structure ABx Fast Multi-t ag Command St ructur e Field Num ...

  • Escort LRP2000 - page 97

    RFID Communications LRP2000 Passive Reader/Writer 92 6.5.1 ABxF Command 04H: Fill T ag DESCRIPTION Command 04H fills an RFID t ag with a one-byte value over multiple contiguous a ddresses. DISCUSSION This command is commonly used to clear an RFID ta g's memory . It writes a one-byte value repetitively across a specified range of tag addresses. ...

  • Escort LRP2000 - page 98

    RFID Communications 93 LRP2000 Passive Reader/Writer Example Writes 'A' (41H) to the t ag starting at address 0005H and contin uing for the next co nsecutive 40 bytes. A timeout of 2 seconds (07D0H =2000 x 1 ms increment s) is set for the completion of the configu ration. 6.5.2 ABxF Command 05H: Read DESCRIPTION Command 05H reads dat a fr ...

  • Escort LRP2000 - page 99

    RFID Communications LRP2000 Passive Reader/Writer 94 Example Reads four byte s of data from the tag starting at address 000 1H. A timeout of 2 seco nds (07D0H = 20 00 x 1 ms increm ents) is set for the completion of the Read . 6.5.3 ABxF Command 06H: W rite DESCRIPTION Command 06H writes data to an RFID tag. DISCUSSION The Write comma nd is used to ...

  • Escort LRP2000 - page 100

    RFID Communications 95 LRP2000 Passive Reader/Writer Example Writes four byte s of data to th e tag st arting at add ress 0000H. A timeout of 2 seconds (07D0H = 2000 x 1 ms increments) is set for t he comple tion of the Write. 6.5.4 ABxF Command 07H: Read T ag Serial Number DESCRIPTION Command 07H retrieves the eig ht-byte tag seria l number . DISC ...

  • Escort LRP2000 - page 101

    RFID Communications LRP2000 Passive Reader/Writer 96 Example This example waits until a t ag is in range and then reads the eight-byte serial nu mber . In this exam ple, the serial number is F272030 0000104E0. 6.5.5 ABxF Command 08H: T ag Search DESCRIPTION Command 08H checks for an RFID t ag in the controller field. DISCUSSION This command activat ...

  • Escort LRP2000 - page 102

    RFID Communications 97 LRP2000 Passive Reader/Writer Example Checks for an RFID tag within range of the anten na. A timeout of 2 seconds (07D0H = 2000 x 1 ms increment s) is set for the completion of the T ag Search. 6.5.6 A BxF Command 0DH: S t art/Stop Continuous Read DESCRIPTION Command 0DH sends rea ds continuously to any t ag in range of the a ...

  • Escort LRP2000 - page 103

    RFID Communications LRP2000 Passive Reader/Writer 98 This example places the controller in Co ntinuous Read mode and reads eight bytes of dat a from the tag, starting at addre ss 0001H. A delay between identical reads of 2 seconds (0002 H = 2 x 1 second increments) is set. 6.5.7 ABxF Command 14H: Get Memory S tatus DESCRIPTION Command 14 H returns ...

  • Escort LRP2000 - page 104

    RFID Communications 99 LRP2000 Passive Reader/Writer Example 6.5.8 A BxF Command 16H: W rite Family Code DESCRIPTION Command 16H changes the family co de of an RFID tag. Example This examp le change t he family cod e of the tag to 00H. Command from Host Response from Controller Field Content Field Content Header 0202H Header 0202H Command Size 0005 ...

  • Escort LRP2000 - page 105

    RFID Communications LRP2000 Passive Reader/Writer 100 6.5.9 ABxF Command 17H: Lock Family Code DESCRIPTION: Command 17H locks the family code byte to its current value, so tha t it cannot be written. Once locked, the family code cannot be unlo cked. 6.5.10 ABxF Command 82H: Read Dat a and SN All DESCRIPTION Command 82H reads a block of dat a from a ...

  • Escort LRP2000 - page 106

    RFID Communications 101 LRP2000 Passive Reader/Writer Example This example re ad s fou r by te s of da ta from the tag starting at address 0001 H. A timeout of 2 seconds (07D0H = 2000 x 1 msec increment s) is set for the co mpletion of the SN Block Read All. The T ag Family Byte is set to zero so all tags will be read. Three tags respond with data. ...

  • Escort LRP2000 - page 107

    RFID Communications LRP2000 Passive Reader/Writer 102 SN Byte 1/tag 3 71H SN Byte 2/ tag 3 72H SN Byte 3/tag 3 03H SN Byte 4/tag 3 00H SN Byte 5/tag 3 00H SN Byte 6/tag 3 01H SN Byte 7/tag 3 04H SN Byte 8/tag 3 E0H Data Byte 1/ tag 3 53H Data Byte 2/tag 3 48H Data Byte 3/tag 3 49H Data Byte 4/tag 3 54H Checksum 6FH T erminator 03H Header 0202H Resp ...

  • Escort LRP2000 - page 108

    RFID Communications 103 LRP2000 Passive Reader/Writer 6.5.1 1 ABxF Command 83H: St art/ Stop Continuous SN Read All DESCRIPTION Command 83H star t s and stops continuous read all mode for multiple tag s. It reads the serial number and tag dat a. While in this mode, an y other command can be is sued and it will be handled properly . After processing ...

  • Escort LRP2000 - page 109

    RFID Communications LRP2000 Passive Reader/Writer 104 Example S tarts continuous read of three bytes star ting at addr ess two, has a repeat count of four , and the family code is set to 00H, so that all tags in the fie ld respond. After the contro ller sends the acknowledgement, it sends the dat a read from the ta gs in the field. Command from Hos ...

  • Escort LRP2000 - page 110

    RFID Communications 105 LRP2000 Passive Reader/Writer Response from controlle r Field Content Header 0202H Response Size 000BH Command Echo/T ag 1 83H SN Byte 1/tag 1 A6H SN Byte 2/ tag 1 72H SN Byte 3/tag 1 03H SN Byte 4/tag 1 00H SN Byte 5/tag 1 00H SN Byte 6/tag 1 01H SN Byte 7/tag 1 04H SN Byte 8/tag 1 E0H Data from Address 0002H AAH Data from ...

  • Escort LRP2000 - page 111

    RFID Communications LRP2000 Passive Reader/Writer 106 6.5.12 ABxF Command 84H: Fill All DESCRIPTION Command 84 H fills all RFID tags-in-field or all t ags in the same family , with a one-byte value over multiple contiguous addresses. DISCUSSION This command is commonly used to clear an RFID ta g's memory . It writes a one-byte value repetitive ...

  • Escort LRP2000 - page 112

    RFID Communications 107 LRP2000 Passive Reader/Writer Example Writes 41H—the ASCII ch aracter "A"—to all tags with fa mily code 03H, st arting at address 000 5H for the next consec utive 40 By tes. A timeout of 2 seco nds (07D0H = 2000 x 1 ms ec increm ents) is set for th e completion of the configuration. In this example, fo ur tags ...

  • Escort LRP2000 - page 113

    RFID Communications LRP2000 Passive Reader/Writer 108 Example Reads four bytes of dat a from t ags with Family ID AAH, st arting at addr ess 0001H. A timeou t of 2 seconds (07D0H = 2000 x 1 msec increment s) is set for the comple tion of the Blo ck Read All. The family code is set to zero so all tags will be read. Command from Host R espo nse from ...

  • Escort LRP2000 - page 114

    RFID Communications 109 LRP2000 Passive Reader/Writer 6.5.14 ABxF Command 86H: Block Wr ite All DESCRIPTION Command 86H writes a block of data to an RFID ta g. DISCUSSION The Block Write All command is used to write segmen ts of dat a to contiguous areas of t ag memory . The timeout value is given in 1 ms ec increments and can have a value of 1EH t ...

  • Escort LRP2000 - page 115

    RFID Communications LRP2000 Passive Reader/Writer 11 0 Example Writes four byte s of data to th e tag st arting at add ress 0000H. A timeout of 2 seconds (07D0H = 2000 x 1 msec increment s) is se t fo r the completion of the Block W r ite All. Family ID is set to 00H so all tags-in-field are written to. In this example, the LRP2000 write to five ta ...

  • Escort LRP2000 - page 116

    RFID Communications 111 LRP2000 Passive Reader/Writer Example This example reads the eigh t-byte serial nu mber from all t ags permitted b y the Family ID and Reser ved. In this example, one ta g re sponds and th e serial number is F20300000 104E0H. Command from Host R espo nse from Controller Field Content Field Conten t Header 0202H Header 0202H ...

  • Escort LRP2000 - page 117

    RFID Communications LRP2000 Passive Reader/Writer 11 2 6.5.16 ABxF Command 88H: T ag Search All DESCRIPTION Command 88H searches fo r tags within range of th e antenna. DISCUSSION This command activates the controller to look for tag s within range of the antenna. As soon as th e controller finds a tag , it returns a command echo to the host. The t ...

  • Escort LRP2000 - page 118

    RFID Communications 11 3 LRP2000 Passive Reader/Writer 6.5.17 ABxF Command 8D H: Stop/S tart Continuous Read All DESCRIPTION Command 8DH star ts and stop s continuous read mode for multiple tags. DISCUSSION The S tart/S top Continuous Read All mode is initiated by issuing the command with th e Number of Bytes set to any valid nonzero value. S top t ...

  • Escort LRP2000 - page 119

    RFID Communications LRP2000 Passive Reader/Writer 11 4 After the contro ller sends the acknowledgment, it sends the read data from the two t ags. 6.5.18 ABxF Command 91H: Memo ry Lock All DESCRIPTION Command 91H locks contiguous blocks of read- write memory . Once bytes are locked, they cannot be written to, nor can they be unlocked. DISCUSSION The ...

  • Escort LRP2000 - page 120

    RFID Communications 11 5 LRP2000 Passive Reader/Writer Example This example locks blocks 0-2 on all tags-in-field wit h the family code of 02H. T wo tags are found and locked. 6.5.19 ABxF Command 8B H: W rite Family Code All DESCRIPTION Command 8BH can be used to write the fa mily code of all ta gs in the field . It can also be used to selectively ...

  • Escort LRP2000 - page 121

    RFID Communications LRP2000 Passive Reader/Writer 11 6 Example This example ch an ge s th e fam ily co de depe nd ing on t he current value of the family code. T wo tags are found with family code 02H and are chan ged to 03H. 6.5.20 ABxF Command 8C H: Lock Family Code All DESCRIPTION Command 8CH locks the family codes of t ags in the fie ld. Once l ...

  • Escort LRP2000 - page 122

    RFID Communications 11 7 LRP2000 Passive Reader/Writer Example This example loc ks the family c ode on all tags with the family code of 02H. T wo tags are found and locked. 6.5.21 ABxF Command 94H: SN Fill DESCRIPTION Command 94H fills only the RFID tag specified by se rial number with a one-byte value over multiple contiguous addresses. DISCUSSION ...

  • Escort LRP2000 - page 123

    RFID Communications LRP2000 Passive Reader/Writer 11 8 Example This example fills the tag with seri al number 1DB0320 000104E0 with FFH. Command from Host Response form Controller Field Content Field Content Header 0202H Header 0202H Command Size 000FH Response Size 0001H Command Code 94H Command Echo 94H Family Code 00H Checksum 68H Reserved 00H T ...

  • Escort LRP2000 - page 124

    RFID Communications 11 9 LRP2000 Passive Reader/Writer 6.5.22 ABxF Command 95H: SN Block Read DESCRIPTION Command 95H reads a block of dat a from a specified RFID tag. DISCUSSION This command is used to read segment s of data from contigu ous areas of tag memory . It handles up to 1 kByte of da ta transferred to the host with one com mand. Th e tim ...

  • Escort LRP2000 - page 125

    RFID Communications LRP2000 Passive Reader/Writer 120 Example This example reads 1 0 bytes from the t ag with ser ial number 1 DB032000 0104E0 st a rting at addre ss 0AH. Command from Host Response form Controller Field Content Field Content Header 0202H Header 0202H Command Size 000EH Response Size 000BH Command Code 95H Command Echo 95H Family Co ...

  • Escort LRP2000 - page 126

    RFID Communications 121 LRP2000 Passive Reader/Writer 6.5.23 ABxF Command 96H: SN Block Write DESCRIPTION Command 96H writes data to a single RFID t a g specified by its serial num ber . DISCUSSION This command is used to write dat a to contiguous area s o f tag memory . It transfers up to 1 kByte of data from the host to the contro ller in a singl ...

  • Escort LRP2000 - page 127

    RFID Communications LRP2000 Passive Reader/Writer 122 Example This examp le writes 4 bytes to the tag with serial number 1DB0320000104E0 st arting at address 0AH. Command from Host Response form Controller Field Content Field Content Header 0202H Header 0202H Command Size 0012H Response Size 0001H Command Code 96H Command Echo 96H Family Code 00H C ...

  • Escort LRP2000 - page 128

    RFID Communications 123 LRP2000 Passive Reader/Writer 6.5.24 ABxF Command 10H: Set Output DESCRIPTION Command 10H set s the states of the outp ut lines and output LEDs "A" through "D." DISCUSSION This command sets the st ate of the digit al ou tput li nes using a one-byte parameter , O utput St at us. The least significant nibbl ...

  • Escort LRP2000 - page 129

    RFID Communications LRP2000 Passive Reader/Writer 124 Example The following example set s Output B only and resets A, C, and D. 6.5.25 ABxF Command 1 1H: Input St atus DESCRIPTION Command 1 1H returns the status of user input s. DISCUSSION This command inter rogates the state of th e user input lines and returns a one-byte p arameter , Inp ut S tat ...

  • Escort LRP2000 - page 130

    RFID Communications 125 LRP2000 Passive Reader/Writer Example The following example shows only inpu t B is ON, and A, C, and D are OFF . Field Content Header 0202H Command Size Packet length in bytes excluding the heade r , command size, ch ecksum, and terminator bytes Command 1 1H Checksum Optional checksum T erminator 03H Field Co ntent Field Con ...

  • Escort LRP2000 - page 131

    RFID Communications LRP2000 Passive Reader/Writer 126 6.6 ABx ASCII Protocol The ABx ASCII Protocol is based on the ABx Fast pr otocol. It uses the same headers and termina tor (already ASCII ch aracters) an d convert s the hex value of command and dat a bytes to print able ASCII ( two- digit hexade cimal notation). In another word s, the hex v alu ...

  • Escort LRP2000 - page 132

    RFID Communications 127 LRP2000 Passive Reader/Writer If the controller encounters a fault, it resp onds with the following: Most RF operations also require additional parameters and data that will be included in the command stream between the command code or echo and the te rminator . The header and te rm ina to r ar e alw ay s STX and ETX re spec ...

  • Escort LRP2000 - page 133

    RFID Communications LRP2000 Passive Reader/Writer 128 The ASCII character string for a fill of 32 bytes, from address 0 with 55H value, timeout 5 sec., follows: Command from Host Response from Controll er Field ASCII Hex Va l u e ASCII String Field ASCII Hex Va l u e ASCII String Header 02H STX Header 02H STX <STX><STX> 02H STX <STX& ...

  • Escort LRP2000 - page 134

    RFID Communications 129 LRP2000 Passive Reader/Writer 6.7 ABx Error Codes 6.7.1 Multi-t ag Error Codes The LRP2000 returns an error if it encounters a fault during operation. The table below lists the po ssible error codes in hexadecima l format. Additionally there are in ternal DSP errors, F1 H throu gh F5H, fo r use by Escort Memory Systems techn ...

  • Escort LRP2000 - page 135

    RFID Communications LRP2000 Passive Reader/Writer 130 6.7.3 ABx Fast Error Codes The format of the error response is shown in th e table below . Example A Block Write fail erro r me ssage would appear as: 0202 0002 FF06 F803H. 6.7.4 ABx ASCII Error Codes The format of the er ro r re sp on se is shown bel ow . A Block Write fail erro r me ssage woul ...

  • Escort LRP2000 - page 136

    131 LRP2000 Passive Reader/Writer 6.7.5 Multi-t ag Command Error Code When the mult i-tag commands encounter a fault conditio n, they indic ate the er ror in a ST A TUS byte returned in th e response . If any of the flag bits of the S tatus byte are set, then an erro r has occurred during command execution. In all other ways, the format of the resp ...

  • Escort LRP2000 - page 137

    132 LRP820 Passive Reader/Writer Appendix A S pecifications A.1 Electrical Supply V oltage: 28-30 Vdc Power Consumption: 56W (2.0 A @ 28Vdc) A.2 Communication RF Interface: ISO/IEC 15693 Pas sive RFID System Bus Interface: Ethernet TCP/IP (Option) COM1: RS232/RS422 COM2: RS232 Inputs: Fo ur industrial-level input s , 4.5-30 Vdc (25mA max) Output: F ...

  • Escort LRP2000 - page 138

    LRP2000 Passive Reader/Writer 133 Appendix B Models and Accessories B.1 A vailable Models B.2 Options B.3 Accessories B.4 T ags Part Number Description LRP2000-26 Long range, passive controller; RS232, RS 422 and RS485 communications, 4 digital inputs and 4 digital outputs; IEC/ISO 15693 RF protocol; Antenna, 6' ht; receive/transmit cable 1 1m ...

  • Escort LRP2000 - page 139

    134 LRP2000 Passive Reader/Writer Appendix C ASCII Chart Decimal Hex Character Decimal Hex Charact er 000 00 NUL 032 20 (SP ACE) 001 01 SOH 033 21 ! 002 02 STX 034 22 " 003 03 ETX 035 23 # 004 04 EDT 036 24 $ 005 05 ENQ 037 25 % 006 06 ACK 038 26 & 007 07 BEL 039 27 ’ 008 08 BS 040 28 ( 009 09 HT 041 29 ) 010 0A LF 042 2A * 01 1 0B VT 04 ...

  • Escort LRP2000 - page 140

    ASCII Chart 135 LRP2000 Passive Reader/Writer 064 40 @ 096 5F • 065 41 A 097 60 a 066 42 B 098 61 b 067 43 C 099 62 c 068 44 D 100 63 d 069 45 E 101 64 e 070 46 F 102 65 f 071 47 G 103 66 g 072 48 H 104 67 h 073 49 I 105 68 i 074 4A J 106 69 j 075 4B K 107 6A k 076 4C L 108 6B l 077 4D M 109 6C m 078 4E N 1 10 6D n 079 4F O 1 1 1 6F o 080 50 P 1 ...

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