A927Z User Manual
Contents
1. A927Z UHF Semi Passive Logger Tag R easy log Technical Information Manual Revision n 02 25 03 2013 CAENAFID Scope of Manual The goal of this manual is to provide the basic information to work with the A927Z UHF Semi Passive Logger Tag Change Document Record 13Aug10 01 Initial release Added MM bit in the 8 Control register passive tag and A927Z5Y 39 al AN Options table 25 2013 2 ma J Changed Fig 1 2 easy2log A927ZET UHF Semi Passive Logger Tag 7 with external probe Modified General Information paragraph Modified Tab 4 1 A927Z Technical Specifications Added warning Symbols abbreviated terms and notation DR FT TRcal XXXXb XXXXh Tari CRC RFID RFU Word Divide ratio Frequency tolerance Tag to Interrogator calibration symbol Binary notation Hexadecimal notation Reference time interval for a data 0 in Interrogator to Tag signaling The mnemonic Tari derives from the ISO IEC 18000 6 part A specification in which Tari is an abbreviation for Type A Reference Interval Cyclic Redundancy Check Radio Frequency IDentification Reserved for Future Use 16 bit Reference Document RD1 RD2 RD3 RD4 EPCglobal EPC Radio Frequency Identity Protocols Class 1 Generation 2 UHF RFID Protocol for Communications at 860 MHz 960 MHz Version 1 2 0 October 23 2008 G S D s r l Report CE mark A927Z Temperature logger UHF sem2. 15 0 O1FF EPC N N 15 2F PC 15 00 1F CRC 16 15 00 OF 01F0 01FF User Area 5 Fx Access Passwd 15 00 3F Access Passwd 31 16 2Fn Kill Passwd 15 00 1F Kill Passwd 31 16 OF The figures describing the A927Z memory bank configuration show the Memory bank bit address not restricted to word boundaries The register or memory location detailed descriptions show the Memory bank word address restricted to word boundaries 16 A927Z Technical Information Manual CAENAFID Reserved Memory This bank contains the 32 bit Kill password and the 32 bit Access password according to the EPC Class 1 Gen 2 standard plus an User memory area of 432 bit Initial Data 01FO O1FF all 0000 50 User area SF Tab 3 3 Bank 00 Reserved Memory EPC Memory This bank contains a CRC 16 at memory address OOh to OFh a Protocol Control PC at memory address 10h to 1Fh PC initial value 3000h and the EPC code 01FO O1FF Zero Fill Area 80 8F 70 EPC Tag Encoding 7Fn 10 PC 15 00 Es 00 CRC 16 15 00 OF Tab 3 4 Bank 01 EPC Memory 20 EPC Tag Encoding 2F A927Z Technical Information Manual 17 CAENAFID EPC TAG Encoding EPC TAG Encoding 95 00 EPC Bank 01b Word addr 2h R W 95 88 87 80 63 56 55 48 A927Z Serial Number 15 00 47 40 39 32 0000h as u sj aj ujio o s 7 e s aj3j2 j1 o TID Memory TID Memory bank contains e Company ID e
3. C to 65 5 C 25 C 40 5 C as shown in the figure below 70 gt 5 50 EF Q T90 20 min Q 40 E E so 20 RSS ESBS ae See Sas aeser av I EEEE Nw orto annwMmnaoonvWwiwedaoanwtrtneomWwoeeoe Rh SAUVO OP 0O rr 0xnyyo oO O Oro T osoo0oOoOosoNy rr Tr TS STS SK SK TK NN NU NN NNN NN MM Mm Time sec Fig 4 2 A927Z Response Time A927Z Technical Information Manual CAENAFID Accuracy The typical tag accuracy over the operating temperature range from 30 C to 70 C has an accuracy error curve At high temperatures the magnitude of error slightly increases The tag accuracy is of 0 1 C typical and 0 75 C max TEMPERATURE ERROR vs TEMPERATURE 0 500 0 375 0 250 0 125 0 125 Temperature Error C 0 250 0 375 0 500 50 35 tS amp 25 45 65 85 105 125 130 Temperature C Fig 4 3 Temperature error vs Temperature The following figure shows the A927Z accuracy at room temperature 25 C amp o amp oa oa e OW oS oa fs O fs 3s amp amp O Q OQ O DC FF A 7 OG F A H FTF H oO ge UU G uo O E lt A po Temperature Error C Fig 4 4 Accuracy at 25 C Theoretical read range The read range depends on the frequency as shown in figure below 20 19 dl JN IN EEN AN AS AAA AN 7 pp SS SSE h O N 09 A Read range
4. m an dh d lt N Ww o 860 870 880 890 900 910 920 930 Frequency MHz Fig 4 5 A927Z Theoretical read range at 2W ERP A927Z Technical Information Manual 35 36 CAENAFID A927Z Regulatory Compliance This Chapter gives information on the A927Z UHF Semi Passive Logger Tag Regulatory Compliance It contains these topics FCC Compliance CE Compliance EN 12830 Compliance Enclosure degree of protection RoHS EU Directive CE Declaration of Conformity EN 12830 Declaration of Conformity A927Z Technical Information Manual CAENAFID FCC Compliance Not Required for UHF Semipassive Tag CE Compliance Reference standard CEI EN 60950 1 2004 CEI EN 55022 2009 CEI EN 61000 6 3 2007 CEI EN 61000 6 1 2007 ETSI EN 301 489 1 V 1 8 1 2008 ETSI EN 301 489 3 V 1 4 1 2002 ETSI EN 302 208 1 V 1 2 1 2008 CEI EN 50364 2002 Reference document Test report n 29346A RD2 See CE Declaration of Conformity pag 38 for the A927Z CE Compliance Certificate EN 12830 Compliance Reference standard EN 12830 1999 Temperature recorders for transport storage and distribution of deep frozen quick frozen food and ice cream Tests performance and suitability Reference document A927Z EN1230 Test report RD3 See EN 12830 Declaration of Conformity pag 39 for the A927Z EN 12830 Compliance Certificate Enclosure degree of protection Reference standard CEI EN EN 60529 Reference document TesLa
5. Jun 2010 07 00 data need to be converted in Unix time stamp format Tue 15 Jun 2010 07 00 00 GMT 1276585200 4C1724F0 h Now configure the Control Register Turn on the limit monitoring by setting LHM Limit High Monitoring and LLM Limit Low Monitoring bits 1 in the Temperature Control Register in the USER memory Bank 11b Word address Eh In this way LLV Limit Low Violation Flag and LHV Limit High Violation Flag in the Status register bits go to 1 when the value of temperature measured by the sensor is below above the defined values for the Low High Threshold In this example we consider a continuous sampling operation mode so set the bit L 1 and bit M 0 in the Temperature Control Register in the USER memory Bank 11b Word address Eh Then define the storing operating mode Time stamped data in this example setting Control register bit D 1 bit TL 1 Set SD bit 1 SD has to be set after saving the Start Time Set reset bit RST 1 this bit has to be set when starting the new log The control register is now set as follows 15 11 10 9 25432 eee SSS UN HHan SF w In this example the sensor is logging with a sampling interval of 15 minutes It is possible to verify temperature limits violation simply by reading LLV and LHV bits in the Status register without the need of reading the whole logged memory 30 A927Z Technical Information Manual CAENAFID A927Z Specification This Chapter contains these topic
6. link frequencies as specified in the following table BA 200 usec 40 kHz FMO 64 3 66 6 usec 320 kHz Miller M 4 64 3 83 3 usec 256 kHz Miller M 4 64 3 85 3 usec 250 kHz Miller M 4 e Session Session S1 has an infinite persistence time so have the S2 and S3 sessions e Commands all the EPC C1G2 mandatory commands are supported as well as the optional Access command TRcal Tag to Interrogator calibration symbol A927Z Technical Information Manual 33 CAEN FID Typical Characteristics 34 A927Z Battery Life The A927Z battery life depends on the working temperature range and on the sampling interval as follows Sampling interval 8s E Sampling interval 32s Sampling interval 64s Sampling interval 128s Sampling interval 16s Sampling interval gt 256s Battery life years 30 10 10 30 50 70 Temperature C Fig 4 1 A927Z Battery life typ Response Time In the following figure the A927Z temperature response times is shown T90 value is the time measured in seconds needed by the tag to reach 90 of the change in temperature If the tag s temperature is plotted against time an exponential graph will result initially changing quickly then flattening out in the final stages If the tag at 25 C is placed into an environment at 70 C then the temperature change is 45 C 70 C 25 C 90 of 45 C is 40 5 C so the T90 value will be the time taken for the tag to go from 25
7. only as pis jasa fur piopofef7jojsjaf3f2j1j0 Low Limit 15 00 Low Limit 15 00 FFECh 20 C 2 2V A927Z Technical Information Manual CAENAFID High Limit High Limit is the maximum measurable value of applied parameter It is expressed in twos complement format Temperature High Limit 15 00 User Bank 11b Word addr Ch R only Battery High Limit 15 00 User Bank 11b Word addr 201Ch R only as pijas pujiwojpofef7z je sjaf3af2ajijo High Limit 15 00 High Limit 15 00 46h 70 C 4 4V A927Z Sensor Configuration Description For each sensor this section contains e Status e Control e Start Time e Samples e Sample Time e High Threshold Low Threshold e Last Sample Value e Last Sample Address Status Status register is read only register containing the status flags memory full upper limit violation and lower limit violation flags and Hardware status failure code Temperature Status Register 15 00 User Bank 11b Word addr Dh R only Battery Status Register 15 00 User Bank 11b Word addr 201Dh R only RFU Reserved for Future Use HVF Hardware Failure A927Z general HW failure code 0 No failure 7 Battery Low Voltage lt 2V 6 Temperature measurement error other values generic failure LLV LHV Limit Low High Violation Flag LLV and LHV bits are used as flags of limit violations Flags are cleared automatically when tag is reset LLV LHV if enabled Control registrer LLM LH
8. 08 14 UTC GMT 2147483648 8000 0000 December 13 1901 20 45 52 UTC GMT 2147483 647 7FFF FFFF January 19 2038 03 14 07 UTC GMT Samples Samples register is a read only register which gives the amount of data records in the memory This register is incremented by the tag every time a data record is stored into memory Samples is cleared by the tag during reset Temperature Samples 15 00 User Bank 11b Word addr 11h R only Battery Samples 15 00 User Bank 11b Word addr 2021h R only as uj j ujio o s 7 e s5s aj3j2j1 o Samples 15 00 Sample Time Sample Time register is used to define the Sampling Time of the sensor expressed in seconds At the same time it is the resolution of logging feature The Number should be a multiple of 8 minimum sampling time The maximum sampling time is 65535 sec 18 hours This register can be written only when logging is turned off Temperature Sample Time 15 00 User Bank 11b Word addr 12h R W Battery Sample Time 15 00 User Bank 11b Word addr 2022h R W as uj sj j ujiojo s 7 e s5s 4j3j2j1 jo Sample Time 15 00 A927Z Technical Information Manual 27 CAENAFID High Threshold Low Threshold HighThreshold LowThreshold registers define the allowed or normal range of sensor value Sensor can be configured to monitor when sensor value is inside outside these limits see Fig 3 1 A927Z High Low Threshold monitoring Temperature Low Threshold 15 00 User B
9. 98 Fax 39 0584 388 959 Mail info caenrfid com Web site www caenrfid com herewith declare under our own responsibility that the product Code WA927ZAAAAAA Description A927Z Temperature logger UHF semi passive tag EPC C1G2 Std corresponds in the submitted version to the following standards EN 12830 1999 Temperature recorders for transport storage and distribution of deep frozen quick frozen food and ice cream Tests performance and suitability According to the EN 12830 1999 standard the classification of the devices is the following Climatic environment D Logger type device with internal sensor to be used inside cold room Temperature measurement operating range 30 C to 70 C Temperature measurement absolute range 40 C to 70 C Storage temperature range 40 C to 85 C Accuracy class 1 ia V traia 1 Date 10 03 2010 5049 VIAREGGI TALY VAT IT 02032050466 Adriano Bigongiari Chief Executive Officer CAEN FID EN 12830 Compliance Matrix Requirement Compliance Note The means used by the themometer must be independent of any temperature measurement which is used to control the refrigeration system The measurement range of the sensors must be lt 25 C gt 15 C with minimum span of 50 C The time and date of the beginning shall be readable and any settings which configure the recording shall be protected against un authorised or accidental modification n At least the time and tem
10. HF Semi Passive Logger Tag It contains these topics e General Information e Ordering Options o Accessories e Installation Notice 6 A927Z Technical Information Manual CAENAFID General Information CAEN RFID easy2log A927Z is a low cost ruggedized semipassive UHF logger tag that allows to monitor temperature sensitive products like perishable foods and pharmaceuticals during transportation and storage The combination of the high resolution sensor the large memory size and the standard RFID interface permits to realize effective track and trace solutions for the cold chain The A927Z can be used with standard UHF RFID readers available on the market without requiring any additional equipment thanks to its compatibility with the EPCGlobal C1G2 and ISO18000 6C standards The tag can be configured to store temperature samples in intervals from 8 second to 18 hours in the internal memory that can contain up to 8 000 samples The user can define alarms for high and low temperature thresholds for an accurate control of the temperature excursions The rugged enclosure of this logger make it the perfect choice for the cold chain monitoring in harsh environment or in presence of strong vibration The A927Z RFID logger can be used for multiple shipments thanks to the long battery life and the reset function thus allowing to reduce the total cost of the solution and anticipate the ROI Fig 1 1 easy2log A927Z UHF Semi Passive L
11. M 1 go to 1 when Sensor measured value is below above the Low High Threshold values A927Z Technical Information Manual 25 26 CAENAFID Low word addr 13h LLM bit word addr Dh Low word addr 2023h LLM bit word addr 201Dh High word addr 14h LHM bit word addr Dh High word addr 2024h LhM bit word addr 201Dh F Memory Full Flag F bit is raised by A927Z when Sensor data logging memory is full Temperature memory size 8192 words Battery memory size 256 words Control Control register is the main configuration register The behaviour of the sensor is mainly dependent on this register Also resetting of sensor is done through one specific bit of this register Temperature Control Register 15 00 User Bank 11b Word addr Eh R W Battery Control Register 15 00 User Bank 11b Word addr 201Eh R W ds a 13 12 11 10 9 8 7 6 5 4 3 2 111 0 RFU s ale E gt Y MM Memory Management MM bit is used to control the tag behaviour in case of full memory If this bit is clear when the memory is full the tag starts overwriting the memory the tag retains the newer samples It this bit is set when the memory is full the tag stops its logging activity the tag retains the older samples Default value is 0 SD Set Date SD bit has to be set after saving the StartTime Default value is O RST Reset This bit has to be set when starting the new log After
12. O180006C tag Previous logging results are readable from memory Control register bit L 0 e Continuous mode Tag is continuously logging the measured value with interval defined by Sample Time register All measured data is saved into memory If desired High or Low limit monitoring LHM and LLM bits of control register can also be switched on Violation of limits will raise an alert so that it can be discovered quickly without the need of reading the whole logged memory Control register bit L 1 bit M 0 e Event mode Tag is continuously measuring the sensor value with an interval defined by Sample Time register If this value is violating either lower or higher limit the value will be logged Control register bit L 1 bit M 1 OK Sampling Off a es a E Continuous Mode Event Mode Tab 2 1 Sampling Operating Modes Acquisition Window LHV FLAG LLV FLAG High threshold Low threshold Normal Continuous High Low mode Event mode Low High limit mode ON Event mode High limit mode ON Stored data Event mode Low limit mode ON Fig 2 1 A927Z Sampling Operating Modes A927Z Technical Information Manual CAENAFID Storing operating Modes In Continuous and Event mode the Tag continuously measures the sensor value When the sensor value must be stored A927Z can be programmed to work in four different operating modes e Sensor Data only Tag stores only the sensor data Control register bi
13. SAM Pointer it allows to access to Sensor Address Map SAM which includes the information about the onboard sensor number and allocated memory area for each sensor e A927Z Firmware FW release A927Z Serial Number 00 Company ID 31 16 Tab 3 5 Bank 10 TID Memory Company ID Company ID 31 00 TID Bank 10b Word addr Oh R only 15 14 13 12 11 10 9 8 7 e si4 3 2 1 0 18 A927Z Technical Information Manual CAENAFID SAM Pointer SAM pointer allows interrogator to find A927Z Sensor Address Map Sensor Address Map contains the information about the number of available sensors and memory area definitions for each sensor Each sensor has its own SAM entry in Sensor Address Map This link chain is clarified in the Tab 3 6 SAM Pointer 31 00 TID Bank 10b Word addr 2h R only 15 14 13 12 1 10 9 8 7 6 5 4 3 2 1 07 SAM Address 15 00 RFU Reserved for Future Use MBS Memory Bank selector value 3 SAM Address value O USER Battery data re logging area 256 configuration Battery sensor characteristics Temperature data logging area 8 92 sensor configuration characteristics 20170 ords TID SAM Pointer 15 00 30 Temp SAM Entry 15 00 SAM Pointer 31 16 Temp SAM Entry 31 16 o Tab 3 6 SAM Pointer and SAM Entry link chain A927Z Firmware release FW The Firmware release register contains the revision number of the A927Z f
14. ank 11b Word addr 13h R W Battery Low Threshold 15 00 User Bank 11b Word addr 2023h R W asp jasa fur piopofe 7 ojsjaf3 2 130 Low Threshold 15 00 Temperature High Threshold 15 00 User Bank 11b Word addr 14h R W Battery High Threshold 15 00 User Bank 11b Word addr 2024h R W asjisjaspapujiwojpofe 7jejsjsafa3afzajijo High Threshold 15 00 Low Threshold o HighThreshold o Oo Low Se o Allowed 0 O High 0 Temperature 5 Time Fig 3 1 A927Z High Low Threshold monitoring Last Sampled Value Last Sampled Value is the last sensor value measured the logging decision is done after measurement and depends on the Tag storing mode See Tab 3 8 and Tab 3 9 pag 29 for more information about battery and temperature data format Temperature Last Sampled Value 15 00 User Bank 11b Word addr 15h R only Battery Last Sampled Value 15 00 User Bank 11b Word addr 2025h R only 15 14 13129109 8 7 6 5 4 3 2 1j0 Last Sampled Value 15 00 Last Sampled Address Last Sampled Address is the memory address of the last stored data value A927Z Technical Information Manual CAENAFID A927Z Data Logging area description i Typical A data record is composed by a time stamp and or sensor value Both are not required so one record can also be either one of these alone Data record composition is defined by Control register Time stamped Data is a 32 bit data ex
15. b 09B204A RD4 ROHS EU Directive easy2log A927Z Temperature logger UHF semi passive tag is compliant with the EU Directive 2002 95 EC on the Restriction of the Use of certain Hazardous Substances in Electrical and Electronic Equipment RoHS A927Z Technical Information Manual 37 R CAENRFID CE Declaration of Conformity CAEN RFID Srl Via Vetraia 11 55049 Viareggio LU Italy Tel 39 0584 388 398 Fax 39 0584 388 959 Mail info caenrfid com Web site www caenrfid com herewith declare under our own responsibility that the product Code WA927ZAAAAAA Description A927Z Temperature logger UHF semi passive tag EPC C1G2 Std corresponds in the submitted version to the following standards CEI EN 60950 1 2004 CEI EN 55022 2009 CEI EN 61000 6 3 2007 CEI EN 61000 6 1 2007 ETSI EN 301 489 1 V 1 8 1 2008 ETSI EN 301 489 3 V 1 4 1 2002 ETSI EN 302 208 2 V 1 2 1 2008 CEI EN 50364 2002 The present document declares that the specified product complies with the reported standards and satisfies the essential requirements of the European regulation R amp TTE Directive 99 5 EC Vu i traia 1 Date 12 08 2010 5049 VIAREGGI TALY VAT IT 02032050466 Adriano Bigongiari Chief Executive Officer On the basis of this declaration this product will bear the following mark C O R CAEN3FID EN 12830 Declaration of Conformity CAEN RFID Srl Via Vetraia 11 55049 Viareggio LU Italy Tel 39 0584 388 3
16. d to turn on off the limit monitoring This can be done even in continuous logging mode In this case the limit violation flags in Status register are raised during logging if limits are violated It is fast to check the flags to determine if limits have been violated without need to read the whole memory Default value is O A927Z Technical Information Manual CAENAFID Start Time Start Time register is the starting time of current log Format of this register is Unix time stamp format Register can be written only when logging is not ongoing Content of the register is totally dependent on the user since tag is not required to validate the value Calculating the real time of logged data records is based on this time stamp Temperature Start Time 31 00 User Bank 11b Word addr Fh R W Battery Start Time 31 00 User Bank 11b Word addr 201Fh R W Start Time 31 16 15 14 13 12 1 10 9 8 7 6 5 4 3 2 1 07 Unix time stamp format or Unix time or POSIX time or Unix epoch is the number of seconds that have elapsed since January 1 1970 midnight UTC GMT not counting leap seconds The epoch timestamp O can be written in ISO 8601 format as 1970 01 01T00 00 00Z One epoch hour is 3600 seconds one epoch day is 86400 seconds long leap seconds are not calculated The following table shows example values of Start Time register O 00000000 January 1 1970 midnight UTC GMT 1197396494 475E D20E December 11 2007 18
17. ee test report j 4 1 4 2 4 3 4 1 4 2 4 5 4 6 8 5 D 10 S S S S S S S S S S S S S S S S S Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye Ye e A927Z Technical Information Manual
18. eeeeeeeeeeeeeees 28 AEA ZE O E EE E are eee ere ere 34 Az ASIL ROTON E WW sn O ca 34 4 3 Temperature error VS TEMS ae sass cars areseracauasaraceravasasoonsevagevanasaenue tenceaadasseasnesuass EE ESUS EEEE 35 UR bay Val ot 6 ec Nae Po E Merete tren Te Mer cum T rrr ere tre erry mre r erce tn Merri ernrren race y ereryet Maren tran ttt 35 4 5 A9272 Theoretical read range at 2 W ERP caviar tar 35 List of Tables Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab Tab A927Z Technical Information Manual 21 Sampling Operating Modes PP Eme E CO one nore casts RN ats nn bene EE ETE Se eae 12 22 SUOMI Dek ALIN LOG Pat 13 2 3 Data Logging Area Allocation in the different storing modes ccccsseeccccsssccecceececceeeecceceeeseeeesueeceessuaecessaueeessuaeeeeesaeeeeeees 13 A o o o E truce st aeeese 16 al Memory Bank Conte ON oo 16 3 3 Bank 00 Reserved M MOS ccccccssseccccessecceceeseccecaeseceesaeeccesaeeeeesaeseceeeaesseeesseseeeeeaeneeessenseeessuaseeessuaecesseesecessuaeeeessageeetes 17 3A Bank OL EPC MSN aia 17 SiS Ban LO UD Memo siria os 18 3 6 SAM Pointer and SAM Entry link chain ic nico 19 37 Bank 11 USER Memory ERA UN U0ONN PPP e e ONE O O E i Ea NEEE En A 21 38 Temperature data TOMA Cansaramsnatradan daa datos 29 SAS Batenidata TOM aaa cod 29 41 A9272 Technical SpeciicaciOn Sissi aa iia ici 32 CAENAFID Introduction This Chapter gives general information about the A927Z U
19. ereeee 10 ADPIC Odia dica 10 Communicator Protocol Features sais A A A AA A O A 10 Reading Pertonmahces iaa 10 On board Temperature Sensor naaa 11 A a A E 11 sampline operatine ModS conca 12 Stotine Operatine MOdES ANN 13 Data Loss M8 Are ara OCIO A AAA AS AA A AAA ASIA 13 Battery Measurement ana DENAVIOUN aaa A EI 14 3 AIZ7Z Memory DESGCHIDTION esse A A a O 15 Address SACO Ni A AAA A AA AAA AA T 16 Reserved AAA on R E A T E melee aries 17 EPG MEMO Vs ERA eS 17 EPC VAG ENCON a NA NN is vacetetasauueiua valeuetetacsen ay anaee 18 WOMEN O Vasteras as Swan vied wesc as arenes NA SS ean a es rw es eee 18 COMPADRE A A A AS 18 O O II O E IN II O daden e tatees 19 A9272 Firmware release EI ion 19 ASTIESE ANUN A ica 20 User MOMO VA AAA AEREA ARA AAA 20 ASZIZ NOS QESD UON cora 22 AIZLIESANMEEDUY DESC ON ornina E A ETE E EEA E OEE E OROA 22 A9272 Sensor Characteristics Descrip cerrar ione a aN a A do AAN AA AN NANNA R 23 Sensor Atributo pensada 23 ResoluLiIOn ChemMmiCal SUDStANCe el e eee ade eso dl 23 Precision Data TYDE adi diia PE iris 24 ONSE Re ete vee mri ete Av PEDROS Te Viera an AE nen rere vent ave ere everett Ten vere ae Te neve torent a avr 24 LOWER odo 24 Hiei ENN Cheer espera AE AE AAA AS 25 A9277 Sensor Configuration DESCI a AA AA A AAA AA 25 MUS A E AAA ee eS 25 CU e taper ter rere 26 SA EIN reuse ace etetent Seiko sta aha A ida 27 A O RO 27 A SA A A A A A 27 High Threshold y Low resha dereire tail 28 ta
20. erval is fully and 60m for durations longer than 7 days For storage the programmable from 8s to 18hours recording interval shall be 60m The manufacturer shall specify the recording capacity as either 4 9 23 duration at a given interval or as a number of readings The maximum relative timing error shall be better that 0 2 for 4 9 2 4 up to 31 days and 0 1 for durations gt 31 days Response Time shall have a maximum response time of 60 min 4 9 2 5 90 o oe The standard operating range is 30 to 70 C operationally and Tab A 3 40 to 85 C for storage The equipment shall withstand vibration from 5Hz to 8 6 Hz 8 The equipment shall withstand shocks with the following 4 9 3 3 characteristics acceleration 10g duration 10ms number of See test report shocks 1 All data inside memory can be 4 The data shall be protected against alteration Y password protected according to EPC Class1 Gen2 standard gt TesLab s r l Environmental Test Report A927Z UHF Semi Passive Logger Tag Ref TesLab 09B204A GSD s r l CE Test Report A927Z UHF Semi Passive Logger Tag Ref 29346A 7 CAEN RFID s r l internal test report A927Z EN 12830 Test Report 01 03 2010 GSD s r l Vibration Test Report A927Z UHF Semi Passive Logger Tag Ref 29340 The recording capacity is 8k samples temperature only or 2k samples temperature and timestamp The maximum timing error is 0 01 The response time is 20min S
21. gree Celsius Resolution Chemical Substance Temperature Resolution Chemical Substance 15 00 User Bank 11b Word addr 8h R only Battery Resolution Chemical Substance 15 00 User Bank 11b Word addr 2018h R only ds a 13 12 19 109 8 76 s 2a 3 2 10 Chemical Substance 7 0 Resolution 7 0 Resolution 7 0 Chemical Substance 7 0 A927Z Technical Information Manual CAENAFID Precision Data Type Precision represents the sensor accuracy expressed in tenth of the sensor base unit e Temperature 0 1 C e Battery 0 1 V Temperature Precision Data Type 15 00 User Bank 11b Word addr 9h R only Battery Precision Data Type 15 00 User Bank 11b Word addr 2019h R only ds a 93 192 1010 98 7 6 5232130 Data Type 7 0 Precision 7 0 Battery Precision 7 0 Data Type 7 0 Offset To obtain the effective value of the physical parameter the Offset Value has to be added to the Sensor data value stored in the sensor data logging area Temperature Offset 15 00 User Bank 11b Word addr Ah R only Battery Offset 15 00 User Bank 11b Word addr 201Ah R only asp jaspuapujiwjofea 7jejsjafa3af2aj ajo Offset 15 00 Offset 15 00 a OA Low Limit Low Limit is the minimum measurable value of applied parameter It is expressed in twos complement format Temperature Low Limit 15 00 User Bank 11b Word addr Bh R only Battery Low Limit 15 00 User Bank 11b Word addr 201Bh R
22. i passive tag Test report n 29346A Rev 01 11 February 2010 A927Z EN12830 Test Report 1 March 2010 TesLab s r l Environmental Test Report A927Z Temperature logger UHF semi passive tag ref TesLab 09B204A 10 December 2009 CAEN RFID srl Via Vetraia 11 55049 Viareggio LU ITALY Tel 39 0584 388 398 Fax 39 0584 388 959 info caenrfid com www caenrfid com CAEN RFID srl 2013 Disclaimer No part of this manual may be reproduced in any form or by any means electronic mechanical recording or otherwise without the prior written permission of CAEN RFID The information contained herein has been carefully checked and is believed to be accurate however no responsibility is assumed for inaccuracies CAEN RFID reserves the right to modify its products specifications without giving any notice for up to date information please visit www caenrfid com CE O FE E g oHs Index SCODE Or Mantatoisdar rada A N aA 2 Chanee Document RECORG umena aa aaa a aaa aa a a 2 Symbols abpreviated terms and nota AA AAA A A 2 Reference DOC UAL sai AAASA AA av acto alee dn a 2 DINGO RR RL 4 DUS EOF PIS A e seeks aa ae a a a acetuseausedecnvedssewenetsaes 5 O A A E A A AA 5 1 Mtrod ctioN arar 6 General IMtormatOR ereraa raen TENE AE EOE a GT 7 Orderin e OPTIONS A A A AN 8 ACCESOS a ias 8 Installation Not ceca rosarina io asii 8 2 A9272 Functional DEScCHOtION Icaro 9 Maltea UES aorar E E E E ramen ean anenee onmenm
23. ilk based products e Frozen food e Chemical pharmaceutical products o Vaccine cold chain Communication Protocol Features e Compatible with EPC C1G2 I5018000 6C protocol o Reader to Tag link DSB ASK SSB ASK PR ASK 40 Kbit s e Tag To Reader link FMO 40Kbit s Miller M 4 250 256 KHz e 512 bit Reserved Memory e 512 bit EPC Memory e 208 bit TID Memory e 17Kbyte USER Memory e Frequency range 860 MHz 930 MHz Reading Performances e 10m in air 2 5m on metal 2W ERP e Data Logging Download Time 25 sec 8K samples 10 A927Z Technical Information Manual CAENAFID On board Temperature Sensor e Temperature range from 20 C to 70 C e Resolution 16 bit e Accuracy from 30 C to 70 C Typ 0 1 C Max 0 75 C e Minimum Sampling Time 8 seconds e Maximum Sampling Time 18 hours e Logging Memory Size 8192 samples Battery e 3 years battery life e Battery status monitor 0 1V accuracy over 2V 3 6V e Minimum Sampling Time 8 seconds e Maximum Sampling Time 18 hours e Logging memory size 256 samples 1 The activation electrical field for the tag is 0 5V m in the range from 800MHz up to 1GHz Users must avoid tags exposure to such an electrical field value for long time since it may seriously reduce battery life A927Z Technical Information Manual 11 CAEN FID Sampling operating Modes 12 A927Z supports three programmable Sampling Operating modes e Sampling Off Tag is working as normal IS
24. irmware Firmware revision are denoted using a standard duplet of integers Major and Minor A927Z Firmware release FW 15 00 TID Bank 10b Word addr 4h R only 1514 13 12 1 2 9 et7 e si4 3 2 4 o Major 7 0 Major 7 0 Minor 7 0 A927Z Technical Information Manual 19 A927Z Serial Number A927Z Serial Number 127 00 TID 127 Bank 10b Word addr 5h 120 119 CAENAFID R only 112 111 0000h 104 103 96 95 0000h 0000h 79 64 63 0000h 48 47 31 0000h Year 15 00 30 29 28 27 26 25 24 23 22 21 Month 7 0 20 19 Day 7 0 18 32 17 16 15 14 13 12 1 i o st7 eoe sia 3 2 1jo A927Z Serial Number 15 00 User Memory USER Memory bank contains 20 NoS Number of available on board sensors SAM entries for each sensor Each SAM entry contains the pointer to the beginning of the allocated memory and memory range for that specific sensor Sensors memory mapped registers for Sensor descriptions This section stores sensor identification sensor resolution correction data and measurement range Temperature Sensor Characteristics Battery Sensor Characteristics Sensor memory mapped register for Sensor operation Temperature Sensor Configuration Battery Sensor Configuration Sensor memory data record composed of time stamps if time stamp storage is enabled and sensor value Temperature data logging a
25. mo tags WA528DKEUXAA A528DKEU Development kit with A528 reader antenna cable demo software and demo tags ETSI WA528DKUSXAA A528DKUS Development kit with A528 reader antenna cable demo software and demo tags FCC Accessories Check for the supplied accessories below No 2 small screws Installation Notice The A927Z can be easily fixed using the 2 screws supplied All measurements are in mm 28 38 Fig 1 3 A927Z Technical drawings 8 A927Z Technical Information Manual CAENAFID A927Z Functional Description This Chapter introduces the A927Z UHF Semi Passive Logger Tag It contains these topics e Main Features e Sampling operating Modes e Storing operating Modes e Battery measurement and behaviour A927Z Technical Information Manual CAENAFID Main Features e EPC C1G2 IS018000 6C Compatible e Long range solution e 3 years battery life e Battery status monitor e Temperature range from 30 C to 70 C e Excellent accuracy 0 1 C typ e No calibration required e Programmable sampling time e Programmable high low temperature limit e 8000 samples 16kbyte Logging Memory e Time stamps storage e Limit Violation Flags e Continuous Event logging Application Temperature recording during transport storage and distribution of temperature sensitive products e Fresh food fruit vegetables e Seafood e Meat and poultry e M
26. nterval The tag stores the sensor data and you have a complete history of the battery behaviour A927Z Technical Information Manual CAENAFID A927Z Memory Description This Chapter describes the memory map of the A927Z UHF Semi Passive Logger Tag lt contains these topics e Address space e Reserved Memory e EPC Memory e TID Memory e User Memory e Registers use example A927Z Technical Information Manual 15 Address space CAENAFID The general memory layout of the A927Z tag agrees to the EPCglobal C1G2 specification see 8 RD1 The tag memory is logically subdivided into four distinct banks Each bank is organized into 16 bit words Tab 3 1 Memory banks 22260 User area 5 21270 256 word 21260 Battery data logging area 20270 256 words 20260 Battery sensor configuration 201D0 201C0 Battery sensor characteristics 20170 20160 Temperature data logging area 170 160 Temperature sensor configuration DO CO Temperature sensor characteristics 70 60 Battery SAM Entry 40 30 Temperature SAM Entry 10 00 NoS gig2 word 2027F 2026F 201DF 201CF OF Tab 3 2 Memory Bank Configuration Bank 11 17484 byte 208 bit 512 bit 512 bit 208 bit 512 bit 512 bit A927Z Serial Number CF A927Z Serial Number 5Fh SAM Pointer 3Fh SAM Pointer 2Fh Company ID 1Fh Company ID OF EPC
27. ogger Tag In addition to the A927Z the easy2log family also includes A927ZET tag In the Mod A927ZET an additional sensor is placed on an external probe so it is possible to measure temperature even inside a shielded box where the RFID field cannot get through e Mod A927ZET a semipassive tag of the easy2log Family with external probe for double temperature measurement in a single device Fig 1 2 Fig 1 2 easy2log A927ZET UHF Semi Passive Logger Tag with external probe The A927Z tag is included in all our RFID Reader Development Kits RFID Reader Development Kits allow to get acquainted with reader performances from simple testing of RFID features to full implementation of middleware and custom applications These Kits include Reader Antenna Tags Software Documentation and Cabling Everything you need to get started on UHF RFID Click here for more info on RFID Reader Development Kits A927Z Technical Information Manual 7 CAENAFID Ordering Options KN WA927ZAAAAAA Deserip Temperature logger UHF semi passive tag EPC C1G2 Std Tag A927ZET Temperature logger with external probe UHF semi passive WR1230CBDKEU R1230CBDK Development kit with Quark reader antenna tags Development WA941DKEUXAA A941DKEU Development kit with A941 ETSI IP65 reader antenna k cable demo software and demo tags Kit WA941DKUSXAA A941DKUS Development kit with A941 FCC IP65 reader antenna cable demo software and de
28. perature shall be recorded The place of measurement has to be indicated Independent stand alone self powered loggers operating range is 30 C to 70 C All data inside memory can be password protected according to EPC Class1 Gen2 standard Time and temperature are recorded The user memory of the tag 54 byte can be used to store the place of measurement All records are identified and stored on the users system indefinitely The recommended operating range is reported on the user manual The battery charge status can be detected through RFID interface The degree of protection shall be at least IP20 IP55 or IP65 for oe 5 Degree of protection is IP 67 different environments recorded data Records shall be available for at least one year Devices with an autonomous power supply shall be marked as such with an indication of the temperature range An indication of battery life is desirable Electrical power disturbances and susceptible to radiated electromagnetic field Under rated operating conditions the recorder shall have a 4 9 2 1 maximum error of 1 C and a resolution of better than 0 5 C The maximum recording interval for transport shall be 5m for 4 9 22 recording durations shorter than 24 Hrs and 15m for 1 7 days It shall be possible to identify and consult the charts and the See test report Resolution is 0 1 C Temperature accuracy is 0 1 C typical 0 75 C worst case The recording int
29. pressed in Unix time stamp format It is the calculated real time of logged data record Sensors data value type is defined in the Sensor Characteristic section of the User memory 2 0 V Data format for temperature and battery are summarized in the following tables Tab 3 9 Battery data format A927Z Technical Information Manual 29 CAENAFID Registers use example Suppose that the user wants to monitor the temperature trend for frozen food as follows 20 15 continuous enabled Yes Yes 15 Mode With this configuration the tag is continuously logging the measured data with an interval of 15 minutes The tag stores the sensor data and the corresponding time stamp Violation of defined limits will raise an alert First of all let s set the low and high threshold value of temperature The data need to be converted in hex format Low Threshold High Threshold Then set the Low High Threshold registers e Temperature Low Threshold set FF38h value in the USER memory Bank 11b Word address 13h e Temperature High Threshold set FF6Ah value in the USER memory Bank 11b Word address 14h The sampling interval time expressed in minutes must be converted in seconds for the correct setting of the Sample Time register in User Memory Bank 11b Word address 12h _ Sample Time 15 900 0384h Set the temperature start time register in the User memory bank 11b word address Fh Suppose the date 15
30. rea 8192 words Battery data logging area 256 words A927Z Technical Information Manual CAENAFID Temperature Battery Sensor Temperature Sensor Sensor Characteristics Battery Sensor Configuration Characteristics Configuration 22260 2226F User area 21270 2127F 21260 2126F 20270 796 words 2027F 20260 t Sar 2026F 20250 2025F 20240 2024F 20230 2023F 20220 2022F 20210 2021F 20200 2020F 201F0y 201FF 201E0 201EF 201D0 201DF 201C0 201CF 201B0 201BF 201A0 201 AF 20190 2019F 20180 2018F 20170 2017F 20160 2016F Temperature data logging area gr92 words 160p Last Samples Address 16F 150 Last Samples Value 15F BO Low Limit BF AO AF 90 Fh 30 Fh 70 7F 6F 30 Temperature SAM Entry 15 00 3F 20 Temperature SAM Entry 31 16 2F 10 Temperature SAM Entry 47 32 1F Tab 3 7 Bank 11 USER Memory A927Z Technical Information Manual 21 CAENAFID A927Z NoS description NoS Number of available sensors 15 00 User Bank 11b Word addr Oh R only as pis jasa pujiwojofef7zjejsjaf3afzajijo Number of Sensors 15 00 Number of sensors 15 00 value 2 Temperature Battery monitor A927Z SAM Entry description Number of available sensors NoS is stored first followed by SAM entries for each sensor NoS is stored as 16bit unsigned integer value Each SAM entry contains
31. s e Technical Specifications Table e Air Link Protocol Characteristic e Typical Characteristics A927Z Technical Information Manual 31 CAENAFID Technical Specifications Table UHF EPC Class1 Gen2 ISO User configurable high temperature and low temperature alarms 3 years typical depending on usage and operating B Lif temperature Li MnO2 Model Renata Battery Type CR 2450N Weight 8B Tab 4 1 A927Z Technical Specifications MN Warnings Do not incinerate the product contains lithium battery The activation electric field for the tag is 0 5 V m in the range from 800 MHz up to 1 GHz Prolonged exposure to electric fields greater than this value must be avoided in order to preserve the battery life 32 A927Z Technical Information Manual CAENAFID Air Link Protocol Characteristic Physical Layer The A927Z tag in general satisfies the EPCglobal C1G2 physical layer protocol specification see RD1 with exception of the following points e Reader to tag data rates interrogator shall communicate using Tari value of 25 usec only Tari values of 12 5 usec and 6 25 usec are not supported e Tag to reader encoding the encoding format selected in response to interrogator commands can be either FMO or Miller M 4 as specified in RD1 chapter 6 3 1 3 2 Miller data encoding with M 2 and M 8 are currently not supported e Tag to reader data rates the A927Z tag supports tag to interrogator data rates and
32. stsampled Vau eia a io abia 28 Last Sampled Address ts AAA E A ARA E 28 A927 Data Logging area descubras 29 Registers Use p 1011 dias 30 4 A9272 Specifica tlom dida dai 31 MECH MIG SOSCINICATIONS alisar 32 Ait Link Protocol Character S Caern io 33 PUY SI CaN ay En a ASIA NAS A AA A A 33 Typical ON AAC SOS EE AAE AA AAA AA E 34 ATI BEN Me ami tneica N O 34 RESPONSE TIME A A A AAA ERA ASAS SAA ASS 34 CAENAFID PMC A E tous eau A 35 WSO OTe Ae AC aS A O AI 35 A9272 REGUlAtOry COMPA iaa 36 FECC MPA Caos 37 CECOMPIAN CE ear pl oa 37 EN 12830 COPIA ati 37 Enclosure degree Of protection ccccessccccssssccccsesseeceeeeccesseeeceeseeeeceeseeeeeeeseeeeeeseeseceesaeseceesaeaeeeesaaseeeesauseeeesuaasecessaaneceesagaeeeesages 37 ROHS EMITEN add RN Ra deans 37 CE Declaration of CORT OILY sn NAAA A aN E aTa Ee Seer 38 EN 12830 Declarationor CONTO FMI 39 EN 12830 Compliance Md ido oia saca 40 List of Figures Fig Fig Fig Fig Fig Fig Fig Fig Fig Fig 1 1 easy2log A9272 UAF Sami Passive Logger TIE cinta RAS AAA ARANA ARA 7 1 2 easy2log A927ZET UHF Semi Passive Logger Tag with external probe ooccccccoocccnnnonoconnnonaconnnonanonononanonnnonanonononanonnnonanonnnonos 7 13272 lechnical Ce Wy WAG miei 8 2 1 A9272 Sampling Operating MOE obio 12 3 1 A927Z High Low Threshold monitoring ccccccccccccccccceccecceecececceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
33. t D 1 bit TL 0 e Time stamped Data Tag stores the sensor data and the corresponding time stamp Control register bit D 1 bit TL 1 e Time stamp only Tag stores only the time stamps data Control register bit D 0 bit TL 1 e No storage Control register bit D O bit TL 0 stored notstored O notstored stored notstored notstored OO Tab 2 2 Storing Operating Modes Data Logging Area Allocation The following figure shows the data allocation used in the different storing modes described above Time stamped Data 1A0 Time 15 00 n1 190 Time 31 16 n1 Time stamp only 180 Time 15 00 n 170 Time 31 16 Tab 2 3 Data Logging Area Allocation in the different storing modes Sensor Data Only A927Z Technical Information Manual 13 CAENAFID Battery measurement and behaviour 14 There are several options to verify the battery status To verify if the battery level is low just read the failure code in the control register the code 7 identifies a Battery Low Status lt 2 V To verify the level of the battery you have to enable the battery logging and then to read the last sample value If you want to monitor the battery behaviour for example during thermal stress enable the battery logging with both continuous sampling mode and sensor data or time stamped data storing mode with this configuration the tag is continuously logging the measured data with the defined i
34. tag receives a new configuration record with RST bit activated it will reset the Samples register and do all the necessary operations to start a new log It is automatically cleared by the tag when the required operation has been completed Default value is O L Sensor Monitoring activated L bit is used to control the sensor monitoring If this bit is zero the actual sensor value is never read This bit turns on the system If bit is activated the sensor value is measured with interval defined in Sample Time register Logging decision is done after measurement and it is dependent on the D TL bit configuration Default value is O D Data Logging activated D bit is used to define if sensor value is stored into memory in case of data record is created In most cases this bit needs to be set If the time stamp of specific event is the only concern this bit can be left cleared Default value is 0 TL Time stamp activated TL bit is used to define if time stamp is stored into memory when a data record is created Default value is 0 M Mode M bit is used for operating mode Zero means continuous logging Data record is created and logged always when sensor value is read defined by Sample Time register Bit one means that data record is created and logged only when limits are violated and limit monitoring is turned on Default value is O LHM Limit High Monitoring on off LLM Limit Low Monitoring on off LHM and LLM bits are use
35. the pointer to the beginning of the allocated memory and memory range of that specific sensor All the information related to this sensor is in the range declared into SAM entry field including characteristics configuration and data registers Each sensor has its own SAM entry in Sensor Address Map Temperature SAM Entry 47 00 User Bank 11b Word addr 1h R only Battery SAM Entry 47 00 User Bank 11b Word addr 4h R only AN RFU Sensor Address 23 16 Sensor Address 15 00 1514 13 12 1 i otst7 e sia 3 2i1jo 7h A927Z Technical Information Manual CAENAFID A927Z Sensor Characteristics Description This section contains the description of sensors parameters e sensor type code compliant to IEEE 1451 e sensor data resolution e sensor accuracy e offset and measurement ranges Sensor Attribute Type Temperature Sensor Attribute Type 15 00 User Bank 11b Word addr 7h R only Battery Sensor Attribute Type 15 00 User Bank 11b Word addr 2017h R only 15 14 13 12 1 i o sat7 e si4 3 2 1jo Sensor Type 7 0 Sensor Attribute 7 0 Battery Sensor Attribute 7 0 29h Celsi Sensor Type 7 0 eo 22h Voltage Sensor attribute 1 Time stamp Sensor Allows time stamps Unix representation storage The sensor type codes are compliant to the rules specified in IEEE 1451 22h Electrical potential potential Volt Y difference electromotive force Celsius Temperature de
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