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A927ZET Technical Information Manual 

16 

3

 

A927ZET 
Memory Description  

 

 

 

 

 

This  Chapter  describes  the  memory  map  of 

A927ZET  UHF  Semi-Passive  Logger  Tag

.  It 

contains these

 

topics: 

 

Address space 

 

Reserved Memory 

 

EPC Memory 

 

TID Memory 

 

User Memory 

 

Registers use example 

 

Содержание Easy2log A927ZET

Страница 1: ...A927ZET UHF Semi Passive Logger Tag with external probe Technical Information Manual Revision n 02 27 03 2013 ...

Страница 2: ...cal Tag to Interrogator calibration symbol XXXXb Binary notation XXXXh Hexadecimal notation Tari 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 CRC Cyclic Redundancy Check RFID Radio Frequency IDentification RFU Reserved for Future Use Word 1...

Страница 3: ...orm 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 cae...

Страница 4: ... 19 EPC Memory 19 EPC TAG Encoding 20 TID Memory 20 Company ID 20 SAM Pointer 21 A927ZET Firmware release FW 22 A927ZET Serial Number 22 User Memory 23 A927ZET NoS description 25 A927ZET SAM Entry description 25 A927ZET Sensor Characteristics Description 26 Sensor Attribute Type 26 Resolution Chemical Substance 26 Precision Data Type 27 Offset 27 Low Limit 27 High Limit 28 A927ZET Sensor Configura...

Страница 5: ...ng Modes 13 Fig 3 1 A927ZET High Low Threshold monitoring 33 Fig 4 1 A927ZET Battery life typ 39 Fig 4 2 A927ZET Response Time 39 Fig 4 3 Temperature error vs Temperature 40 Fig 4 4 Accuracy at 25 C 40 Fig 4 5 A927ZET Theoretical read range at 2W ERP 40 List of Tables Tab 2 1 Sampling Operating Modes 13 Tab 2 2 Storing Operating Modes 14 Tab 2 3 Data Logging Area Allocation in the different storin...

Страница 6: ...hnical Information Manual 6 1 Introduction This Chapter gives general information about the A927ZET UHF Semi Passive Logger Tag It contains these topics General Information Ordering Accessories Installation Notice ...

Страница 7: ... 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 while the external sensor probe allows to monitor the internal and the external temperature of a box The A927ZET RFID logger can be used for multiple shipments thanks to the long battery life and the reset functi...

Страница 8: ...AAA WR1260I Slate KIT WR1230CBDKEU R1230CBDK Development kit with Quark reader antenna tags WA941DKEUXAA A941DKEU Development kit with A941 ETSI IP65 reader antenna cable demo software and demo tags WA941DKUSXAA A941DKUS Development kit with A941 FCC IP65 reader antenna cable demo software and demo tags WA528DKEUXAA A528DKEU Development kit with A528 reader antenna cable demo software and demo tag...

Страница 9: ...ET Technical Information Manual 9 Installation Notice The A927ZET can be easily fixed using the 2 screws supplied All measurements are in mm Fig 1 3 A927ZET Technical drawings Fig 1 4 A927ZET External probe ...

Страница 10: ...n Manual 10 2 A927ZET Functional Description This Chapter introduces the A927ZET UHF Semi Passive Logger Tag It contains these topics Main Features Sampling operating Modes Storing operating Modes Battery measurement and behaviour ...

Страница 11: ...n Flags Continuous Event logging Application Temperature recording during transport storage and distribution of temperature sensitive products Fresh food fruit vegetables Seafood Meat and poultry Milk based products Frozen food Chemical pharmaceutical products Vaccine cold chain Communication Protocol Features Compatible with EPC C1G2 ISO18000 6C protocol Reader to Tag link DSB ASK SSB ASK PR ASK ...

Страница 12: ...Sampling Time 8 seconds Maximum Sampling Time 18 hours Logging Memory Size 8192 samples Battery 3 years battery life 1 Battery status monitor 0 1V accuracy over 2V 3 6V Minimum Sampling Time 8 seconds Maximum Sampling Time 18 hours 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 el...

Страница 13: ... 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 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 th...

Страница 14: ...ister bit D 0 bit TL 0 Sensor Data Time stamp D Data logging activated TL Time stamp activated stored stored 1 1 stored not stored 1 0 not stored stored 0 1 not stored not stored 0 0 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 1A0h Sensor Datan 3 Sensor Data Only 190h Sensor Datan 2 ...

Страница 15: ...e 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 interval The tag ...

Страница 16: ...on Manual 16 3 A927ZET Memory Description This Chapter describes the memory map of A927ZET UHF Semi Passive Logger Tag It contains these topics Address space Reserved Memory EPC Memory TID Memory User Memory Registers use example ...

Страница 17: ...d into 16 bit words Name Bank Size User Memory 11b 17522 byte TID Tag identification Data 10b 208 bit EPC Electronic Product Code 01b 512 bit Reserved Memory 00b 512 bit Tab 3 1 Memory banks 2 The figures describing the A927ZET 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...

Страница 18: ...020Fh 10h Company ID 1Fh 101F0h 101FFh 00h Company ID 0Fh Temperature sensor characteristics ext Bank 01 EPC 101A0h 101AFh 512 bit 01F0 h EPC 15 0 01FFh 10190h 1019Fh Temperature data logging area int Bank 00 Reserved 1A0h 1AFh 20h EPC N N 15 2Fh 190h Temperature sensor configuration int 19Fh 512 bit 10h PC 15 00 1Fh 00h CRC 16 15 00 0Fh 100h 10Fh F0h Temperature sensor characteristics int FFh 01F...

Страница 19: ...h 0000h 30h Access Passwd 15 00 3Fh 0000h 20h Access Passwd 31 16 2Fh 0000h 10h Kill Passwd 15 00 1Fh 0000h 00h Kill Passwd 31 16 0Fh 0000h Tab 3 3 Bank 00 Reserved Memory EPC Memory This bank contains a CRC 16 at memory address 00h to 0Fh a Protocol Control PC at memory address 10h to 1Fh PC initial value 3000h and the EPC code 01F0h Zero Fill Area 01FFh 80h 8Fh 70h EPC Tag Encoding 7Fh 20h EPC T...

Страница 20: ...er 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 A927ZET Firmware FW release A927ZET Serial Number C0h A927ZET Serial Number CFh 50h A927ZET Serial Number 5Fh 40h FW release 4Fh 30h SAM Pointer 15 00 3Fh 20h SAM Pointer 31 16 2Fh 10h Company ID 15 00 1Fh 00h Company ID 31 16 0Fh Tab 3 5 Bank 10...

Страница 21: ... Future Use MBS Memory Bank selector value 3 SAM Address value 0 USER Battery data logging area Battery sensor configuration 202A0h Battery sensor characteristics Temperature data logging area ext Temperature sensor configuration ext 101A0h Temperature sensor characteristics ext Temperature data logging area int Temperature sensor configuration int A0h Temperature sensor characteristics int 90h Ba...

Страница 22: ...ware release FW 15 00 TID Bank 10b Word addr 4h R only 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Major 7 0 Minor 7 0 A927ZET Serial Number A927ZET Serial Number 127 00 TID Bank 10b Word addr 5h R only 127 120 119 112 0000h 111 104 103 96 0000h 95 88 87 80 0000h 79 72 71 64 0000h 63 56 55 48 0000h 47 40 39 32 Year 15 00 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 Month 7 0 Day 7 0 15 14 13 12 11 10...

Страница 23: ...tification sensor resolution correction data and measurement range Temperature Sensor Characteristics int Temperature Sensor Characteristics ext Battery Sensor Characteristics Sensor memory mapped register for Sensor operation Temperature Sensor Configuration int Temperature Sensor Configuration ext Battery Sensor Configuration Sensor memory data record composed of time stamps if time stamp storag...

Страница 24: ...31 16 1022Fh 10210h Control 1021Fh 10200h Status 1020Fh Temperature Sensor Characteristics ext 101F0h High Limit 101FFh 101E0h Low Limit 101EFh 101D0h Offset 101DFh 101C0h Precision Date Type 101CFh 101B0h Resolution Chem Substance 101BFh 101A0h Sensor Attribute Sensor Type 101AFh 10190h Temperature data logging area int 1019Fh 1A0h 1AFh Temperature Sensor Configuration int 190h Last Samples Addre...

Страница 25: ...sor 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 int 47 00 User Bank 11b Word addr 1h R only Temperature SAM Entry ext 47 00 User Bank 11b Word addr 4h R only Battery SAM Entry 47 00 User Bank 11b Word addr 7h R only 47...

Страница 26: ...bute 7 0 1 1 Sensor Type 7 0 29h Celsius Temperature 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 Code Base of Derived Value Special Name Symbol 22h Electrical potential potential difference electromotive force Volt V 29h Celsius Temperature degree Celsius C Resolution Chemica...

Страница 27: ...r the Offset Value has to be added to the Sensor data value stored in the sensor data logging area Temperature Offset int 15 00 User Bank 11b Word addr Dh R only Temperature Offset ext 15 00 User Bank 11b Word addr 101Dh R only Battery Offset 15 00 User Bank 11b Word addr 202Dh R only 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Offset 15 00 Temperature Battery Offset 15 00 0 0 Low Limit Low Limit is the...

Страница 28: ... in twos complement format Temperature High Limit int 15 00 User Bank 11b Word addr Fh R only Temperature High Limit ext 15 00 User Bank 11b Word addr 101Fh R only Battery High Limit 15 00 User Bank 11b Word addr 202Fh R only 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 High Limit 15 00 Temperature Battery High Limit 15 00 46h 70 C 4 4V ...

Страница 29: ...27ZET general HW failure code 0 No failure 7 Battery Low Voltage 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 LHM 1 go to 1 when Sensor measured value is below above the Low High Threshold values T...

Страница 30: ... been completed Default value is 0 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...

Страница 31: ...sed since January 1 1970 midnight UTC GMT not counting leap seconds The epoch timestamp 0 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 dec hex Meaning 0 0000 0000 January 1 1970 midnight UTC GMT 1197396494 475E D20E December...

Страница 32: ... 2 1 0 Sample Time 15 00 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 A927ZET High Low Threshold monitoring Temperature Low Threshold int 15 00 User Bank 11b Word addr 16h R W Temperature Low Threshold ext 15 00 User Bank 11b Word ...

Страница 33: ...Tab 3 9 pag 34 for more information about battery and temperature data format Temperature Last Sampled Value int 15 00 User Bank 11b Word addr 18h R only Temperature Last Sampled Value ext 15 00 User Bank 11b Word addr 1028h R only Battery Last Sampled Value 15 00 User Bank 11b Word addr 2038h R only 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Last Sampled Value 15 00 Last Sampled Address Last Sampled A...

Страница 34: ...ture Battery Sensor Attribute 1 Allows time stamps storage 1 Allows time stamps storage Sensor Type 41 Celsius Temperature 34 Voltage Resolution 16 bit 16 bit Precision 0 1 C 3 0 1 V Offset 0 C 0 V Low Limit 20 C 2 0 V High Limit 70 C 4 V Data format for temperature and battery are summarized in the following tables Temperature C Digital output decimal Digital output HEX 70 0 700 02BCh 60 1 601 02...

Страница 35: ... time register in the User memory bank 11b word address 12h internal sensor and Word address 1022h external sensor Suppose the date 15 Jun 2010 07 00 data need to be converted in Unix time stamp format Human time dec hex 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 Monitorin...

Страница 36: ...A927ZET Technical Information Manual 36 4 A927ZET Specification This Chapter contains these topics Technical Specifications Table Air Link Protocol Characteristic Typical Characteristics ...

Страница 37: ...nding on usage and operating temperature Battery Type Li MnO2 Model Renata CR 2450N Operating temperature int 30 C to 70 C Storage temperature int 40 C to 85 C Absolute temperature range int 40 C to 70 C Operating temperature ext 20 C to 70 C Storage temperature ext 40 C to 85 C Absolute temperature range ext 20 C to 70 C Temp Resolution 0 1 C IP Rating IP67 Dimensions L W H 130 4 x 23 4 x 12 7 mm...

Страница 38: ...ither FM0 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 Tag to reader data rates the A927ZET tag supports tag to interrogator data rates and link frequencies as specified in the following table DR Divide Ratio TRcal 4 LF Link Frequency Encoding Type 8 200 µsec 40 kHz FM0 64 3 66 6 µsec 320 kHz Miller M 4 64 3 83 3 µsec 256 kHz...

Страница 39: ...alue 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 ti...

Страница 40: ...ures the magnitude of error slightly increases The tag accuracy is of 0 1 C typical and 0 75 C max Fig 4 3 Temperature error vs Temperature The following figure shows the A927ZET accuracy at room temperature 25 C Fig 4 4 Accuracy at 25 C Theoretical read range The read range depends on the frequency as shown in figure below Fig 4 5 A927ZET Theoretical read range at 2W ERP ...

Страница 41: ... Chapter gives information on the A927ZET 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 ...

Страница 42: ...mpliance 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 44 for the A927ZET EN 12830 Compliance Certificate Enclosure degree of protection Reference standard CEI EN EN 60529 Referenc...

Страница 43: ...ted 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 TTE ...

Страница 44: ...ollowing 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 ...

Страница 45: ...ing conditions the recorder shall have a maximum error of 1 C and a resolution of better than 0 5 C Yes Resolution is 0 1 C Temperature accuracy is 0 1 C typical 0 75 C worst case 7 4 9 2 2 The maximum recording interval for transport shall be 5m for recording durations shorter than 24 Hrs and 15m for 1 7 days and 60m for durations longer than 7 days For storage the recording interval shall be 60m...

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