L-A210 User manual
Contents
1. This functionality is supported by ACURA s Analyser first connect the L A210 to the PC over the USB and open Analyser Analyser will automatically connect and detect the reader type The RS232 connectivity can be turned ON or OFF by ticking the option in the Ser Protocol tab as below File Options Help E WAVETREND Active RFID Analyzer Serial Port Connection DP Tag Data Reader Selection Address Network Reader Node L Rx210 o o ALE x Reader Commands parameters 1 set Protocol Legacy E PW Disabled Total Tags Seen 0 TaglD Filter Alarm Tags Only Timeout s Manual Pol amp 100ms v Current Tags 0 Site Filter pen 3 r Command Sent Response Date Time a 2012 14 01 58 Get Tag 01 10 2012 14 05 5015 e 1 241 PID 01 STS 008 S N 19088743 LOC 0 01 10 2012 16 00 1 241 PID O1 STS 008 S N 19088743 LOC O 01 10 2012 16 00 01 10 2012 16 00 SCH 16 00 26 2 Get Info 2 16 00 49 Set Protocol Heartbeat Message Unavailable Enable Heartbeat on RX210 RX202 or RX211 to view Dee PR x Reader Response Tag 2 14 05 03 Enable AutoPoll t Info 01 10 2012 16 00 54 RX210 User Manual Page 32 of 35 ACURA s 7 3 Connections The L A210 has 2X RJ45 connectors and a 2 5mm Power socket on the back The RJ45 s are configured as follows L A210 Left Port Hight Port 1 E 3 Min H Nin Vin 1 Samm2. 00 Network Receiver Node ID 0x02 Checksum Response 0x5 0x00 Network Receiver Node ID 0x02 Checksum Ping Reader Command The Ping Command is simply used to check if a reader is on the network and responding correctly It can be used to read back Network ID s Reader ID s and Node ID s Inserted into the response from a Ping Command is and Error Number This number refers to the last error the respective reader has experienced Once read this number is cleared To clear all the errors on all the readers simply broadcast a Ping Command Command OxA 0x00 Network Receiver Node ID 0x03 Checksum Response 0x5 0x01 Network Receiver Node ID 0x03 Error Checksum Error Numbers are as follows No errors encountered Unknown reader command received Tag Table underflow error Command Packet checksum error HF Module Unknown command response RF Module Unknown general response RF Module Re sync failure RF Module Command response failure RF Module Receive response failure No response packet received from polled reader c co JO Om SS Go bi A CH RX210 User Manual Page 22 of 35 ACURA s Set Network ID Command The function of this command is to assign the Network ID as well as commit it to the Data EEPROM Command OXA 0x01 Network Receiver Node li 0x04 New Network Checksum Response 0X5 0x00 Network Receiver Node ID 0x04 Checksum Reader ID Command The function of this command is to assign the Reader ID as we
3. 50 kHz 80 The L A210 has been tested and certified to meet FCC Part 15 1 01 for unintentional radiators C The L A210 is produced in the USA to ROHS standards and contains no Lead RX210 User Manual Page 36 of 35
4. A s Set Receiver Gain Command This command will set the RF Module into its 2 different gain levels Command OxA 0x01 Network Receiver Node 0x0B Gain Checksum Gain 0 Low Gain Mode Short range reader Gain 21 High Gain Mode Long range reader Response 0x5 0x00 Network Receiver Node ID 0OxOB Checksum Get Receiver Gain Command This command will return the Receiver Gain Mode Command OxA 0x00 Network Receiver Node OxOC Checksum Response 0x5 0x0 Network Receiver Node 0x0 Gain Checksum Gain 0 Low Gain Mode Short range reader Gain 21 High Gain Mode Long range reader Set Alarm Tag Filter Status Command This command will filter out tags with a specific Alarm condition Command OxA 0x01 Network Receiver Node OxOD Status Checksum Status 0 Report all tags Status 1 Report only tags with an Alarm condition Status 2 Report only tags without any Alarm condition Response 0x5 0x00 Network Receiver Node ID OxOD Checksum Get Alarm Tag Filter Status Command This command will return the current Alarm tag filtering status Command OxA 0x00 Network Receiver Node OxOE Checksum Response RX210 User Manual Page 26 of 35 ACURA s 0x5 0x0 Network Receiver Node 0x0 Statu Checksum Status 0 Report all tags Status 1 Report only tags with an Alarm condition Status 2 Report only tags without any Alarm condition Get Invalid Tag Count This command will return the number of Invalid Ta
5. AcuraGlobal The Identification Company L A210 User manual Document Reference L A210 V1 6 Serial Reader User Manual Date 19 March 2012 This document is copyright and is supplied Internally in strict confidence It must not be reproduced nor shown to third parties either in part or in its entirety without ACURA s written consent ABBREVIATIONS ae erem EE vo pain Do Identity 71 7 0 000 0 0 0 000 0 LF lmFed 0 0 m Mee 0 20 0 mm Miimere NO No Connection PC Personal Computer 1 1 RF Radio Frequency RFID Radio Frequency Identification Rx Peer Printed Circuit Board UC LF m mm NC PC HF Rx OM X This document is copyright and is supplied Internally in strict confidence It must not be reproduced nor shown to third parties either in part or in its entirety without ACURA s written consent 1 2 3 4 Product COMPAID INNY scicca EE 5 SNL 6 The Reader comprises the following functionality and properties 6 2 1 New Generation reader Properties sees 7 2 2 Funcional DIGQT AM E 8 Hardware Configurations ccccccsssssseeeseessseesceeeseeeesoesseeeseoeesseeseoes 9 Afin folu glo WE 10 4 1 Single Network SUCIU E esee nnns 10 4 2 Basic Network Operation 11 4 3 Establishing Node ID Addressing automatic assignment 12 qu Packer Ee EE 13 S MEE oy PO
6. NO E 15 Protocols and Addressing E 17 51 Command Faokels unes eto usa M eu MOI ted asap n MC 17 D2 TICSOONSC Pa6KOlS utc eta ce dee 17 5 9 AGOLESSING Teohnnigues iii cue ev Des E Iren tabes dead dee podus 18 OO ANS d sentes ut das Sore A SEIS 20 Ee BR eegent Beie CT 20 6 2 ele e RR EE 21 Reset Network Commande 21 Start Enabling Polling Mode Command 21 Disable Auto Polling Commande 22 Ping Header Command ME 22 Set Network ID Commande 23 Reader ID Command ee ee EE 23 Get Tag Packet Commande 23 Set RSSI Value Command oL eres wees eae 25 Get RSSI Value Commande 25 Set Site Code Command WEE 25 Get Site Code Gommand REENEN 25 Set Receiver Gain Commande 26 Get Receiver Gain Commande 26 Set Alarm Tag Filter Status Command 26 Get Alarm Tag Filter Status Command 26 Get invald Tag COUNT uoto IIo oed idi aie tentat ad bot nodos 27 Get Power Supply Voltage sseeeeseeeeeeeeeenrnnn 27 Start Environmental Noise Level Value Calculation 27 Get Environmental Noise Level Value 28 Reset Network Baud Rate Commande 28 Get Receiver Version Information Command 28 Set PrOLIOGOD 5 1 uoi rnuibe Ne tod echte atentos iie edle toS pA needed 29 Get Protocol Imm IrRretRtRmRmRmem
7. URA s 2 Overview The L A210 Serial reader is the latest incarnation of the classic RS232 RS485 type network and part of the new generation of patch lead friendly products including the L A211 and IPSU The Reader is used in the system to perform the following functions Receive decode and validate data from ACURA s L Output relevant tag data via USB or via the Reader Network The Reader comprises the following functionality and properties RF Module RF Receiver and Demodulator Micro controller LED indicators on the output connectors Micro USB socket 2 5mm Power plug The L A210 Reader can be used with the following ACURA s Antennas AN 100 200 300 400 and any other 433MHz antenna that has a 50 Ohm termination resistance RX210 User Manual Page 6 of 35 ACURA s 2 1 New Generation reader Properties The L A202 L A210 and L A211 family are significantly different from there predecessor the L A201 These differences are summarized here and explained in more detail throughout the manual Front End Filtering The L A202 L A210 L A211 utilize front end RF filtering allowing them to work extremely effectively in noisy RF environments including in direct proximity to other 433MHZ emitters including TETRA band RSSI Response The L A202 L A210 L A211 have a linear calibrated response which includes operation at both High and Low gain modes The sensitivity of the new readers is vastly superior to th
8. X Orang Green Orang Green RX210 User Manual Reader identified as Master reader Not used Reader identified as Slave reader Start up break characters transmitting Page 34 of 35 ACURA s 9 Specifications Environmental Operating temperature Storage temperature Humidity Physical Size Weight unit Colour Material Connections Radio Frequency Receive Frequency Modulation Sensitivity HF Input Electrical Supply Voltage Max current consumption Protocol Specification Standard Data Rate nterface RX210 User Manual 40 C to 85 C 20 C to 70 C 596 to 9096 non condensing 105 mm x 58mm x 28mm 118 grams Aluminium Grey Aluminium 2 X RJ45 socket 1 Mini USB type socket 2 5mm Power socket 433 92 MHz ASK 94 dB 50 Ohm BNC 7V 16Vdc 20 ma 9 600 115 200 baud rate RJ45 connectors Page 35 of 35 ACURA s 10 Certification The following standards applied in accordance with Article 5 of the directive 1999 5 EC EN 300 220 1 V1 2 1 1997 11 ETS 300 683 1997 03 Summary of tests Test Type Effective radiated power 25 MHz 4 GHz EN55022 Radiated emissions 30 MHz 1 GHz EN55022 Conducted emissions 150 kHz 30 EN61000 4 3 Radiated immunity 80 MHz 1 GHz excl 433 92 MHz 20MHz EN61000 4 4 Electrical fast transients EN61000 4 2 Electrostatic discharge EN61000 4 6 Conducted immunity 1
9. abled with the appropriate command RX210 User Manual Page 15 of 35 ACURA s Auto Polling sequences start with a complete system communications reset to ensure that the network is seen correctly This happens each time the auto polling is switched on even at power up RX210 User Manual Page 16 of 35 ACURA s 5 Protocols and Addressing As mentioned earlier data flowing on this network have a specific packet format This format is defined as follows 5 1 Command Packets OxA Data Network Receiver Node Command Data Checksum All bytes are HEX Values 1 Header 1 Byte OxAA 2 Length 1 Byte Number of Bytes in data section 3 Network ID 1 Byte 4 Receiver ID 1 Byte 5 Node ID 1 Byte 6 Command 1 Byte 7 Data Up to 64 Bytes of Data 8 Checksum 1 Byte CHECKSUM z Length XOR Receiver ID XOR Token ID XOR Command ID XOR Data XOR Data 5 2 Response Packets 0x5 Data Network Heceiver Node Command Data Checksum All bytes are HEX values 9 Header 1 Byte 0x55 70 Length 1 Byte Number of Bytes in data section 11 Network ID 1 Byte 12 Receiver ID 1 Byte 13 Node ID 1 Byte 14 Command 1 Byte 15 Data Up to 64 Bytes of Data 16 Checksum 1 Byte XOR from Length to Last Data Byte CHECKSUM z Length XOR Receiver ID XOR Token ID XOR Command ID XOR Data XOR Data Command and Response packets are essentially identical except for the header character This different header charact
10. alue and commit it to the Data EEPROM It also Initiates an RF Module reset and writes the new value to the RF Module Broadcasts here are useful to set all the readers to their most sensitive etc The RSSI Value ranges from 0 to 255 0 being the most sensitive Command OxA 0x01 Network Receiver Node ID 0x07 New RSSI Checksum Response 0x5 0x00 Network Receiver Node ID 0x07 Checksum Get RSSI Value Command This command will return the RSSI value it is currently using and defined in the Data EEPROM Command OxA 0x00 Network Receiver Node ID 0x08 Checksum Response OX5 0x01 Network Receiver Node ID 0x08 RSSI Checksum Set Site Code Command The Site Code or Site Code is a group of 3 bytes assigned to each tag Its function is to enable the reader to filter out any tags that it receives that is not part of the site it is monitoring These values are committed to the Data EEPROM When a Site Code of 0 value is assigned then all the tags read are reported Entering a separate code will result in any tags other than those meeting this code to be rejected by the reader Command OxA 0x03 Network Receiver Node 0x0 Site Site2 Site3 Checksum Response 0x5 0x00 Network Receiver Node ID 0x09 Checksum Get Site Code Command This command will return the active Site Codes Command OxA 0x00 Network Receiver Node 0x0A Checksum Response 0x5 0x0 Network Receiver Node 0x0 Site Site2 Site3 Checksum RX210 User Manual Page 25 of 35 ACUR
11. asa ELR o lei Thi sie PC De wira 2 wire 2 wire 2 wire 2 wire RS485 3948 RS485 RS485 HS48 ES pM M Es Es 1 2 3 4 5 8 Although the Reader 1 only sends the NODE ID 1 out for 500ms the rest of the network remains in this receive add 1 transmit mode for a full second This prevents any erroneous data from Reader 1 corrupting the whole network assignment 9 There is now a further 1 second delay before the whole network is now ready and active Reader 1 actually waits a further 2 seconds after its 500ms timeout before it becomes active making it active 500ms after the others 4 4 Packet Control As explained earlier data is passed up and down this network in a specific packet format It would be too slow for a reader to receive a complete packet before transmitting it on to the next reader Because of this the packet is transmitted byte for byte as it is received The reader at the opposite end of the network would therefore have its packet delayed by the time taken to transmit a single byte down the length of the network This is a relation of the baud rate and the number of readers on the network After start up the readers are all set into the idle condition waiting for either a command or response packet Here they will wait until they receive a command from the PC or a response packet from another reader The IDLE OK status LED will be on at this stage Command packets Left to Right are transmitted across the entire length
12. ays respond back with a full or empty tag packet as its ACK TTL TTL is not supported by the L A202 L A210 L A211 Readers RX210 User Manual Page 7 of 35 ACURA s 2 2 Functional Diagram The L A210 Reader has the following functional structure Controller RS232 Port Left RS485 Right RS485 USB Port This receiver consists of a microprocessor controller with onboard firmware that communicates directly with the RF Receiver module and connects to the outside world via 3 serial interfaces or the USB port Data can be sent independently to and from the 2 RS485 ports and will be simultaneously represented on the RS232 port All connections are done via 2 RJ45 connectors and are protected against EMI and ESD noise Connection to the USB port is made via a standard USB mini type B plug It should be noted that the operation of the RS232 port is controlled by software and the default setting for all L A210s is for the RS232 Port to be switched ON When L A210s are being deployed in a network where RS232 is being used to connect to the first reader the RS232 should be turned off on all other readers If the Network is being driven from an IPSU the first reader should be connected over RS485 and the RS232 should be turned off on all readers Failure to turn the RS232 can cause additional noise in the network which over long cable runs 100m plus will reduce the efficiency of the network causing the readers to loose tag packets The meth
13. ch include GPS In order to harmonize the software interface between the serial readers and the GPS enabled units RX910 RX1010 RX1310 the command allows the user to set the following fields 1 Latitude 4 bytes 2 Longitude 4bytes 3 User Data 10 bytes OxAA 0x12 Network ID Reader ID Node ID OxFO Data Checksum Data 18 bytes Location Latitude 4 bytes Longitude 4 bytes User Data 10 bytes Hesponse 0x55 0x00 Network ID Reader ID Node ID OxFO Checksum Get Info Returns the Set Info settings as well as the following values Model number 1 byte 12 L A210 2 L A211 3 L A202 Reader serial number 4bytes Location Latitude 4bytes Longitude 4bytes User Data 10bytes OxAA 0x00 Network ID Reader ID Node ID OxF 1 Checksum Hesponse 0x55 0x17 Network ID Reader ID Node ID OxF 1 Data Checksum Data 57 bytes Model number 1 byte 12 L A210 2 L A211 3 L A202 Status bit 0 Not used bit 1 Not used bit 2 Autopol setting bit 3 Gain setting bit 4 Not used bit 5 Not used bit 6 RS232 enable setting bit 7 Not used serial number 4 bytes RX210 User Manual Page 30 of 35 ACURA s Location Latitude 4 bytes Longitude 4 bytes User Data 10 bytes RSSI threshold 1 byte Site code filter 3 byte Alarm filter 1 byte Network Voltage 1 byte Not used 21 bytes Protoco
14. ch the packet will be passed back to the PC m n ciel Iris TTL Ges PC En zone Si 2 2 wire 2 wire 2 wire RS485 RS485 RS485 RS485 3 a E RX210 User Manual Page 14 of 35 ACURA s Each time a valid packet is received the Packet RX LED will flash This can be used to determine whether valid communications is taking place Response packets are now sent back exactly the same way as the command packet but in the opposite direction Each reader would assemble the packet as it passed through to determine when the response is complete Once it has received a complete response the reader will switch into the idle mode ready for the next Command packet RS232 2 wire RS485 4 5 Auto Polling The onboard firmware carries routines to allow this system to be auto polled and free running When reader 1 has the auto polling enabled it will automatically determine the number of readers connected to its network and sequentially send commands out to receive the tag data from each reader using the Gei Tag Packet Command 0x06 These tag packets pass through reader 1 and onto the PC In this mode the PC will receive a continuous stream of tag packets without the need for its own polling system This can be used on systems that have no ability to send data out to the network or need only monitor the tag data as it appears making it a very simple system without complicated polling routines Where no tag data is available an empty re
15. e 4 Sragi Through 5 Straight Through bk Straight Through 6 Gnd BG RS485 JdAZ y A RS485 8 RS485 B X nRS405 O Please Note that unless RS232 has been turned ON its default is OFF otandard Cat 5 cabling must be used for connecting the L A210 7 4 USB Connection The USB port can be found on the top of the reader it accepts a standard USB B micro plug Before accessing the reader via the port the user must pre install the latest FTDI drivers for their operating system These can be downloaded from the following URL www ftdichip com RX210 User Manual Page 33 of 35 ACURA s 8 Diagnostics 8 1 Diagnostic LEDS The 4 LED s on the RJ45 connectors indicate functions of the system and are used entirely for diagnostic purposes Their assignments are as follows from left to right 8 1 1 Normal Mode Poll Packet RX Tag RX oystem Orang Green Orang Green LL Successful Poll of current reader Valid Packet Received From either direction Valid Tag received from the RF Module Indicates that the system communications are Idle and OK 8 1 2 Auto Poll Mode Master reader only Poll Packet RX Tag RX Cmd Orang Green Orang Green Successful Poll of current reader Valid Packet Received Return packet only Valid Tag received from the RF Module Command request packet sent 8 1 8 Communications Reset Start up Master Slave Break R
16. e Command The function of this command is to set Reader 1 into an Automatic Polling sequence It sets the Auto Polling flag in the Data EEPROM to enable Auto Polling after power up It will establish the size of the network by sending out tag requests until such time that it gets no response This will determine the number of readers on the network Once this has been established it will sequentially poll each reader indefinitely Data responses from the readers pass through reader 1 and onto the PC Readers without a valid tag will respond with an empty packet of data This will enable the monitoring software to determine if any readers are no longer responding This command can be addressed directly to reader 1 or on a broadcast basis When broadcasting any reader that is not Reader 1 will disable its Auto Polling flag in its Data EEPROM to avoid any problems in the future because of incorrect parameters This command is used to restart the Auto Polling if it has been stopped by a break character See Auto Polling section Command OxA 0x00 Network Receiver Node ID 0x01 Checksum Response 0x5 0x00 Network Receiver Node ID 0x01 Checksum RX210 User Manual Page 21 of 35 ACURA s Disable Auto Polling Command The function of this command is to disable future Auto Polling after power up by resetting the Auto Polling flag in the Data EEPROM This command can be addressed directly to reader 1 or on a broadcast basis Command OxA 0x
17. e L A201 and allows both greater read range at large distances and also RSSI granularity allowing readers to use for reading tags as close up as 10cm This close reading ability has obsoleted the requirement for PROX readers in the new product range instead the user may simply apply a suitable RSSI filter Buffer Size The L A202 L A210 and L A211 have a larger buffer size of 9 tags compared to the L A201 which was 5 Tags RJ45 Connection In the event that a user connected up an L A201 incorrectly there was a high chance that the damage could be caused to the reader All of the RJ45 connections on the L A202 L A210 and L A211 are protected by self resetting fuses In the event that the user makes a mistake and miss connects the reader these fuses will set and the reader will appear to be dead Check the connection then allow the reader 2 seconds to reset USB Connection All the new generation of readers support configuration over USB Before you get excited and plug it in please install the FTDI drivers first as detailed later in the manual This connection can be used for standalone applications No Nulls One of the criticisms of the L A201 network configuration was that in auto poll the system always reported NULL TAG packets when a reader that had an empty tag buffer was polled There is now an option to turn this off in the Protocol setting Please note this option is only available for autopoll a manually polled reader will alw
18. e readers in that network Node ID addresses take priority over Receiver ID addresses That is a valid Node ID address will be accepted before a valid Receiver ID When commands are broadcast there is no response packet generated The only exception for this is the Reset Network Command Network N Network ID 2 255 lt ID 0 A simple flow diagram for this logic would be as follows Ignore Command N RX210 User Manual Page 18 of 35 ACURA s Some examples would be as follows 0 0 0 12 0 0 0 12 1 0 1 4 1 0 255 12 255 0 255 255 255 0 0 255 RX210 User Manual ONO OA Om OC C2 A On 255 255 Invalid will have no response Access Reader with Reader ID 12 Access Reader 5 on the network Access Reader 5 on the network Reader ID address is ignored Invalid will have no response Access Reader with Reader ID 4 on Network 1 Access Reader 123 on the Network 1 Access all Readers with Reader ID 12 on all the networks Access Reader 45 on all the Networks Access all possible readers Access all possible readers Access all possible readers Etc Page 19 of 35 ACURA s 6 Commands 6 1 Command shortlist Shortlist of commands and requests Command ID s 0x00 Reset Network Reply Packet 0x01 Start Enable Auto Polling Continuous 0x02 Disable Auto Polling Reply Packet 0x03 Ping Reader Reply Packet Error 0x04 Set Network ID Reply Packet 0x05 Set Reader ID Reply Pac
19. emeremememereri era aiia iaa 29 i i atio MERE TREES 30 GOT uh Le ERROREM 30 Ee ee 31 7 interfaces and CONNECTIONS cccccececececcecccecscsceeececececscncncecaceeaeneneeenss 32 7 1 IO ACO So ohana eae ps setae poe 32 Tee SN REPRISE coca Sate ie kare at ee fat es OE 32 ee GE eet dee 33 74 AISB CONNECCION i Eb oes ex i oe EE Rd d e keeled eet 33 EMI PIT po nio SUC S RR T 34 61 Dagos E RE 34 8 1 1 Normal MOGG EE 34 8 1 2 A Auto Poll Mode Master reader only 34 8 1 3 Communications Reset Start up eeeesseeesssssss 34 SSC IT CATON oie oed odo Ud duoi eed ee eee 35 10 EES 36 1 Product Compatibility The L A210 L A211 and IPSU are cat5 Patch lead friendly products The Cat5 patch lead family of products are not in any way compatible with the legacy wiring loom products and can cause them damage The L A210 should only ever be used with the L A211 and IPSU and must be connected using standard cat5 patch cable Never mix or try to connect L A210 L A211 IPSU with legacy wiring or legacy readers Failure to comply with this statement will damage the products and will not be covered by the terms of the warranty If you are in any doubt please contact your local ACURA s representative For clarity the products are clearly identified below Legacy Wiring Family PSU300 Cat5 Patch Lead Friendly Family Cy ds L A210 RX210 User Manual Page 5 of 36 AC
20. er enables equipment receiving all the data to differentiate between command and response packets Since the RS232 port presents all the data at all times it will be necessary here to be able to differentiate between these packets RX210 User Manual Page 17 of 35 ACURA s 5 3 Addressing Techniques The addressing system for these networks has been made as flexible as possible This will allow for various configurations and keep the system open for later expansion etc When addressing a reader there are 3 addresses to take into account 1 Network ID Identifies the network used in multi network configurations 2 Reader ID User defined address for a specific reader Permanent address defined by the user 3 Node ID Hardware address This address is defined by the readers position on the network All three of these bytes are settable in the header bytes of the command packet If a zero is placed into any of these positions it is an indication to the firmware to ignore this parameter and only use the remaining addresses to determine the reader being addressed If a value of 255 is placed into any of these addresses it is an indication to the reader that this command is being broadcast to that appropriate level A 255 value in the Network ID byte means that the command is being broadcast over all the networks Whereas a 255 in either the Receiver ID bytes or Node ID bytes means that the command is being broadcast to all th
21. gs received by the RF module since the last read This data is calculated by the RF Module and is a direct interpretation of tag collisions or read failures This is a 2 byte value Command OxA 0x00 Network Receiver Node OxOF Checksum Response 0x5 0x0 Network Receiver Node 0x0 Count Count Checksum Count H Counter High Byte Count_L Counter Low Byte Get Power Supply Voltage This command will return the voltage of the power supply at this reader It is a single byte and represents the power in 0 1 voltage increments Eg Value 131 13 1 Volts Returns the voltage that the reader is receiving via either its RJ45 ports or via the 2 5mm power socket It will not return the voltage that it is receiving via the USB socket if this option is being used Command OxA 0x00 Network Receiver Node 0x10 Checksum Response 0x5 0x0 Network Receiver Node 0x1 Voltage Checksum Start Environmental Noise Level Value Calculation This command will set the reader into an evaluation mode in order to calculate the environmental white noise level at 433 92 MHZ The unit will remain in evaluation mode for a time period of 40 seconds During this period no tag transmissions will be decoded Once the calculation has been completed the reader will resume normal operation Command OxA 0x00 Network Receiver Node 0x11 Checksum Response 0x5 0x00 Network Receiver Node 0x11 Checksum RX210 User Manual Page 27 of 35 ACURA s Get Environmental N
22. he L A210 is for diagnostic and demo purposes when connected over the USB the RJ45 sockets are isolated Therefore you cannot drive the network over the USB interface of the first reader This network need not necessarily connect to a PC but can be some other device such as a buffer or handheld computer etc RS232 or 2 wire RS485 Power Data Flow Power is also carried to each reader on the cable running between them Since each RS485 connection between readers is theoretically a separate network distances between them can be up to 1 2 km 0 74 miles according to the RS485 standard depending on the quality of the cable used In reality copper wiring is not a perfect conductor and over long cable lengths significant voltage drop can occur The L A210 readers can be powered independently through the regulated 6 28V 2 5 mm jack connector it is recommended for cable runs over 100m to use this option This network operates at speeds of up to 115200 baud and down as low as 9600 baud These baud rates can be altered using the application software by means of the predefined commands referred to in section 4 of this document Data communication to and from the PC must be at the same baud rate The reader net may be supplied with power from multiple points within the network It is recommended that the network is powered via the ACURA s IPSU RX210 User Manual Page 10 of 35 ACURA s 4 2 Basic Network Operation Data passed up a
23. ket 0x06 Get Tag Packet Tag Packet 0x07 Get RSSI Value Reply Packet RSSI 0x08 Set RSSI Value Reply Packet 0x09 Set Site Code Reply Packet OxOA Get Site Code Reply Packet Site Code OxOB Set Receiver Gain Reply Packet OxOC Get Receiver Gain Reply Packet Gain OxOD Set Alarm Filter Reply Packet OxOE Get Alarm Filter Reply Packet Status OxOF Get Number of invalid Tags Reply Packet Counter 0x10 Get Supply Voltage Reply Packet Voltage Ox11 Start RF white noise Reply Packet 0x12 Get RF white noise result Reply Packet Result OxFE Set Baud Rate No Reply Broadcast only OxFF Get Version Information Reply Packet Version Command Shortlist RX210 User Manual Page 20 of 35 ACURA s 6 2 Command Details Reset Network Command The function of this command is to reset the entire network and re establish the NODE ID addresses The NODE ID address in the command packet should hold a 255 broadcast value to ensure that the entire network enters into the reset sequence Only reader 1 will respond with the reply packet This is the only condition under which a response is sent from a broadcast command Note receiving a reset network reply packet at any point where no reset command was sent will imply that a spontaneous reset has occurred This would probably be as the result of a power problem Command OxA 0x0 0x00 0x00 OxFF 0x00 Checksum Response 0x5 0x00 Network Receiver 0x01 0x00 Checksum Start Enabling Polling Mod
24. l 1 byte 0 legacy 1 no nulls 2 L Plus Controller Firmware Version 1 byte HF Module Firmware Version 1 byte Controller Hardware Version 1 byte RF Module Hardware Version 1 byte Status The Status tab command shows the user all of the reader settings in response to the Get Info command displayed below in ACURA s Analyser ES Reader Status a Header Model L RX211 Mame 4 S N 19088743 Ver CF 01 0 RF 03 0 CH 01 0 RH 03 0 Location Mode Settings Security Z Database Relay 17 0 Settings 10 0 Mode IO 0 On Time s IO 0 Off Time s IL D delay trgr Latitude 0100 0005 DA Enabled Longitude 00100 000E Logged In 5 Autopoll Off Database Mode Dam High DB records Protocol Legacy DB Maximum RSSI Threshold DB CRC Network Voltage Heartbeat Interval Weigand Setting Tag Timeout 10 1 Made IO On Time s 10 1 Off Time s IO 1 delay trgr Alarm Filter All Tags Site Code Filter o Tag Life wo EXE NM 30 o RX210 User Manual Page 31 of 35 ACURA s 7 Interfaces and Connections 7 1 Interfaces The interface standards are as follows Interface Serial RS232 RS485 Baud 115 kB s 57 6 kB s 38 4 kB s 19 2 kB s 9 6 kB s Selectable via program port Parity None Start bit 1 Stop 1 Data Bits 8 7 2 RS232 The Default setting for RS232 is ON in the event that it has been turned off the reader must be first connected up using either 485 or the USB port
25. l Page 28 of 35 ACURA s RFV RF Module Firmware Version CHV Controller Hardware Version RHV RF Module Hardware Version Set Protocol The L A202 L A210 and L A211 support the L series protocol as well as the existing L series protocol The Set Protocol has 3 options Command OxAA 0x02 Network ID Reader ID Node ID 0x40 Data Checksum Data 2 bytes Protocol 0 legacy 1 no nulls 2 L Plus RS 232 enable 0 OFF 1 ON Hesponse 0x55 0x00 Network ID Reader ID Node ID 0x40 Checksum 1 Legacy the reader will receive standard L series tag packets and will generate Null tag packets in the event that no tags are within range Null packets are empty tag packets that some Legacy software uses as a form of heartbeat to check the network is operating 2 No Nulls the reader will receive standard L series tag packets No Nulls will be generated 3 L Series the reader will receive both L series and L series tag packets No nulls will be generated Get Protocol Returns the Protocol setting Command OxAA 0x00 Network ID Reader ID Node ID 0x41 Checksum Response 0x55 0x02 Network ID Reader ID Node ID 0x41 Protocol Checksum Data 2 bytes Protocol 0 legacy 1 no nulls 2 L Plus RS 232 enable 0 OFF 1 ON RX210 User Manual Page 29 of 35 ACURA s Set Info The serial readers are part of the larger ACURA s Reader family some of whi
26. ll as commit it to the Data EEPROM Command OXA 0x01 Network Receiver NodelD 0x05 New Reader ID Checksum Response 0x5 0x00 Network Receiver Node ID 0x05 Checksum Get Tag Packet Command This will be the most used command on any system Its function to request a Tag from the reader if there is one ready for sending A tag is removed from the tag buffer and returned with this command making room for a new tag New tags from the RF Module are written over existing tags in the Tag Buffer in order to keep the data fresh Should no tag be ready for sending and empty packet is sent back That is no data in the Data field Command OXA 0x00 Network Receiver NodelD 0x06 Checksum Response empty Ox5 0x00 Network Receiver Node ID 0x06 Checksum Response Tag Packet 0x5 Data Length Network Receiver Node 0x06 Dat Checksum Next Page RX210 User Manual Page 23 of 35 ACURA s The Data Field would have this format o N OO P WN CO Interval Reed Switch Counter Firmware version B C Movement switch counter Age byte MSB Age byte Age byte Age byte LSB Site code MSB Site code Site code LSB Tag ID MSB Tag ID Tag ID Tag ID LSB Type of tag flag Reader ID RSSI signal strength Checksum 20H reserved Alarm byte Node ID Network ID Reader Set RSSI Value Firmware Version LF CR RX210 User Manual Page 24 of 35 ACURA s Set RSSI Value Command This command will set the RSSI v
27. methods Because this system is able to determine data direction it is possible to establish which reader is number 1 and from there the consecutive addresses can be established As mentioned earlier there are 2 distinct methods of addressing a reader when sending out a command The first address is called the NODE ID This is the electrical address of the reader and is defined automatically by its position in the network The first reader very left would be assigned NODE ID 1 and increment consecutively to the right until a maximum of 254 The second address is called the READER ID This address is defined by the user and is written to the non volatile memory of each reader and can be from 1 to 254 If a reader is removed from the network or simply bypassed the NODE ID s will naturally change The function of the READER ID is therefore to allow a consistent and permanent address assignment to each reader Logically one would use NODE ID addresses in a command packet to assign a READER ID to a specific reader NODE ID s provide a failsafe method of always accessing the correct reader if the network structure is known 4 3 Establishing Node ID Addressing automatic assignment At power up the NODE ID s are automatically established from the readers connection position on the network Basically how this works is that Reader 1 needs to be established From there each subsequent reader can be assigned its NODE ID This whole process takes ab
28. nd down this network is arranged in a packet format Explained later Each reader can be individually addressed via 2 address techniques or the entire network can be broadcast to by assigning the destination address as value 255 These addressing techniques will also be explained later Data transmitted from the right port of a reader would be received in the left port of the receiver to the right of it and vice versa With this kind of configuration it is possible for the reader to control the direction that the data is flowing and handle it accordingly The complete network would look as follows RS232 or 2 wire RS485 Data Flow This network works on a Command Response type operation That is a command is sent down to a specific reader in a left to right direction while the response is sent back from right to left Simply commands run left to right while responses run from right to left RS232 or 2 wire RS485 Command Data Response Data RX210 User Manual Page 11 of 35 ACURA s Each Command and Response is formatted into a specific packet of data with error checking etc included in the protocol format Data can only flow in one direction at a time since the hardware is using a single serial port to control all this serial data In order to make the installation of this system easier it was necessary to stop the need of having to give each reader and individual address via a dipswitch or other plug in computer
29. od for turning the RS232 port on and off is detailed later in this manual RX210 User Manual Page 8 of 35 ACURA s 3 Hardware Configurations ACURA s recommend the following configuration methods Single reader for Demo Purposes The L A210 when used as a standalone unit can draw power over the USB USB lead L A210 Reader Network USB Host to RS485 The IPSU supports USB RS232 and RS485 allowing it power up to 8 readers over RS485 Dependent on cable lengths In order to power longer cable runs with more readers an IPSU can be added in line to provide extra power or individual readers can be powered through their 2 5mm Jack plugs USB lead Cat 5 Patch IPSU RS485 L A210 L A210 Reader Network USB Host to RS485 with L A211 An L A211 can be deployed on its own or on the end of a network of L A210 s USB lead Cat 5 Patch IPSU RS485 L A210 L A211 RX210 User Manual Page 9 of 35 ACURA s 4 Networking 4 1 Single Network structure The L A210 readers are connected together in a daisy chain type format That is Reader 1 is connected to Reader 2 is connected to Reader 3 etc The network can handle a maximum of 254 readers because of addressing constraints Communications between readers is done via a 2 wire RS485 connection Connections from reader 1 to the PC can be done via the RS232 or Left RS485 ports Please note that for USB connection over the network an IPSU should be used the USB connector in t
30. of the network RX210 User Manual Page 13 of 35 ACURA s RS232 2 wire RS485 In the idle mode data can be received from either direction Since there is only one serial port on the microprocessor the header byte received will determine from which direction the packet is being received Once this byte has been received the communication drivers are immediately set up to flow the data in the correct direction They will stay in this direction until the entire packet has been received or the communications has timed out whereby the reader will go back into the idle mode While this data is being transmitted down the network each reader assembles the packet in its memory for analysis when completed Once a complete command packet is received the contents are analysed for errors and addressing Should this be a Command packet the addressed reader s will then respond After receiving a complete packet each reader will immediately switch back into the idle mode Receive from both directions In this mode the next packet should there be any will automatically be passed in the correct direction Should there be a break of more than 25ms between any bytes of the data packet each reader will automatically switch back into the idle mode and ignore that packet In this way any communications failure will not result in the network locking up Should a spontaneous response packet be initiated e g Network Reset as a result of a power glit
31. oise Level Value This command will retrieve the calculated value between 0 and 255 of the environmental white noise level Take note that this command can only follow after the Start Environmental Noise Level Value Calculation f a command is send down to the unit while still in evaluation mode the reader will cancel the calculation process reset and continue normal operation Command OxA 0x00 Network Receiver Node 0x12 Checksum Response 0x5 0x0 Network Receiver Node Ox1 Noise Checksum Reset Network Baud Rate Command This command will reset the network Baud Rate It will only accept a broadcast command and there is no response sent Changes are immediate will result in communications loss if the PC does not change its baud rate accordingly Command OxA 0x01 OxFF OxFF OxFF OxFF Hate Checksum Hate 0 2 115200 baud Hate 1 2 57600 baud Rate 2 38800 baud Rate 3 19200 baud Rate 4 9600 baud Get Receiver Version Information Command This command will return the Receiver Version Information These include Controller Firmware Version RF Module Firmware Version Controller Hardware Version RF Module Hardware Version RF Module versions are read directly from the module itself This data is in the following format Value 13 Version 1 3 Command OxA 0x00 Network Receiver Node OxFF Checksum Response 0x5 0x0 Network Receiver Node OxF CFV RFV CH RH Checksum CFV Controller Firmware Version RX210 User Manua
32. out 3 5 seconds at power up and consists of the following sequences 1 Each reader powers up and sets its data flow in a right hand direction 2 Each reader then continuously sends s out of their right hand RS485 ports and prepares to receive this character in their left hand RS485 ports This character is sent out in single bursts every 25ms This avoids any framing errors should a reader not be able to lock onto the data stream in the correct position from start up 3 If an is received in the left RS485 port the TAG LED slave indicator is illuminated to indicate this Each reader except Reader 1 will therefore receive this character on its left hand RS485 port 4 Reader 1 has now been established 5 This process of sending out the right hand RS485 port lasts for 1 second RS232 or P 2 wire RS485 RX210 User Manual Page 12 of 35 ACURA s 6 Once Reader 1 has been established it will start continuously sending its NODE ID out of the right hand RS485 port This will be a continuous 1 and lasts for o00ms 7 Each remaining reader on receiving a byte assumes it to be the NODE ID of the reader to the left of it adds 1 to this value and assigns it as its own NODE ID This new NODE ID is passed again to the right This continuous sending of NODE ID s to the right has a ripple down effect on the network until every receiver has been assigned its NODE ID and the network has stabilised i enz po ELR g
33. ply packet will be sent back This enables the monitoring software to determine if there are any readers on the network that are not responding and suggest the appropriate action Since this data is being received on a continuous basis a mechanism has been put into place to enable the PC to stop this process so that commands can be sent out to the network This can be achieved by sending a break character in this case to reader 1 Should Reader 1 receive this character it will stop sending Get Tag Packet commands until such time that it is instructed to go back into Auto Polling mode OR the system is switched off and powered up again Since the network cannot see the PC while it is passing a packet from right to left ie to the PC it will be necessary to time this character to when the data packets are flowing left to right This can be tricky so the suggested method is to simply send a large number of characters 400 500 to the network In this manner the network will always see these characters To guarantee a break occurring send 400 x ASCII 255 characters The ASCII 255 character will ensure that there is no possibility of a framing error occurring and the break character not being seen _OxF 400 X Breaking the polling sequence does not alter the Auto Polling Flag in the Data EEPROM but only suspends polling After a physical reset this system will start polling again unless the auto polling is dis
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