Operating instructions RFID UHF Sensor Mid Range DTE820
Contents
1. 11 9 3 Drilling template x soo xoi er ddp dut ac ee eS Sob ent de e RO E d a 11 9 4 Connections and Status indication x 245259 RR Es 12 9 5 GPIO and RS 232 connection aa paso CRT EORR OCHO nns 13 9 6 Ethernet and current supply connection 14 10 Typical app HOS i o aca og i weeds CEE e ERG olea Eoo ia do n 15 10 1 Access SVSBBIIIS cs ii ira er edema dua ae he QU ses d El 15 10 2 Automation industry ces dores aa aaae 15 10 3 Further applications 1 a3 o 3 3 acide dandis des A dom ee ada ed pd 15 11 Abbreviations ene idea eui ER Pa Qo abe kei a o d ode oe i RU Jo ma 16 12 Maintenance repair and disposal 0 00 c eee eee eens 16 RFID UHF Sensor 1 Preliminary note This document is intended for specialists These specialists are people vvho are qualified by their appropriate training and their experience to see risks and to avoid possible hazards that may be caused during operation or maintenance of the device The document contains information about the correct handling of the device Read this document before use to familiarise yourself with operating conditions installation and operation Keep this document during the entire duration of use of the device UR 1 1 Symbols used Instructions Reaction result Designation of keys buttons or indications Cross reference Important note Non compliance may result in malfunction or interference IA 4 Information Supplementary no2. sheet must not be exceeded max 16 cm 12 cm max 16 cm Figure 1 Distance to all sides min 70 cm Figure 2 Distance Figure 3 between device and Metal surface with metal surface max 16 cm x 16 cm exactly 12 cm If the installation instructions are not adhered to the antenna characteristics change The DETE820 must be newly assessed at the mounting location RFID UHF Sensor 9 2 Laying of cables Observe the follovving notes vvhen laying the cables e Lay the cables vertically and straight avvay from the sensor see figure on the right e Avoid cable loops around and on the sensor see figure on the left Figure Incorrectly laid cable Figure Correctly laid cable 9 3 Drilling template The DTE820 is fixed to the ground using 4 screws The bore hole distances are indicated in the following drawing A fixture allowing installation on a mast is available as accessory 11 RFID UHF Sensor 9 4 Connections and status indication The DTE820 is controlled and evaluated via tvvo connections and a status indication The follovving sections describe the connections and the status indication 1 GPIO and RS 232 connection M12 female 12 poles 2 Status indication 2 colour LED red green 3 Ethernet and current supply connection M12 female 4 poles D coded Load digital inputs and outputs with max 0 5 A Load all digital inputs and outputs used with max 1 5 A in total When
3. unscreened cables is susceptible to interference 9 7 LED The operating states of the DTE820 are indicated via a 2 colour LED The following table explains possible operating states Lights permanently Flashes approx every 8 seconds Lights permanently Lights permanently Flashes approx every Lights permanently 8 seconds RFID UHF Sensor 10 Typical applications 10 1 Access systems Due to the large reading area of UHF antennas applications for access systems had been implemented via HF RFID so far The new UHF RFID devices from ifm now allow these applications as well For access systems such as ski lifts buses and trains the DTE820 with integrated mid range antenna is recommended That means that tickets can now be checked at medium distance UR 10 2 Automation industry The DTE820 can be used for RFID automation applications vvith a defined reading area and high selectivity Of great advantage is the possibility to detect far field tags vvith the ANT805 antenna individually and to read the same tags vvith DTE820 at other reading stations at larger distances in multi tag operation 10 3 Further applications Further typical applications for DTE820 e Logistics applications vvhen installed on autonomous industrial transport Systems e Conveyor technology applications e Gate applications for detecting goods e Bulk and single tag applications For use of the DTE820 note the effective national regulations and the
4. 20 is a mid range antenna which meets the requirements of many RFID applications Mid range antennas have been developed for applications in the near and far field Special attention was paid to a small design for integration in compact environments For dimensions of 156 x 126 reading ranges of more than 2 m are nevertheless possible Mid range antennas also have an increased selectivity at lower read distances as compared to conventional antennas That means that they are suitable for the transition range with various tags 6 1 Reading range and tag shape Reading range Tag shape loop shaped hybrid type dipole type 10 30 cm The correct combination of antenna and tag is essential for every RFID application This ensures a high reading rate and reliable system operation 2m DTE820 100 30 ERP 4m 2m 0 2m 4m Figure DTE820 reading range RFID UHF Sensor 7 Reading range and selectivity The reading range and the selectivity are the most important features of an RFID application The reading range describes the greatest distance at which a tag can be read The selectivity indicates the required minimum distance for clear distinction between two adjacent tags The system features depend considerably on the tag type used In general the UHF RFID tags can be divided into three groups average diameter of 2 cm that mostly couple with the antenna magnetically These tags have the smallest ranges since the magneti
5. c field decreases rapidly with the distance of the antenna The first group consists of small loop shaped tags near field tags with an ra The second group consists of hybrid type tags which are a mix of loop shaped and dipole type tags These tags can be activated by the antenna via the magnetic field the electric field or a combination of both The third group is made up of dipole type tags far field tags which mostly couple via the electric field Ranges of more than 10 m are possible Figure RFID UHF sensor detects tag at short Figure Illustration of reading range and selectivity distance RFID UHF Sensor 8 Conformity vvith standards Since the RFID systems are radio systems they are in the scope of the 1999 5 EC guideline of the European Commission Radio and Telecommunications Terminal Equipment R amp TTE As evidence of the conformity with the basic requirements of this guideline there is a number of harmonised standards that are published in the Official Journal of the European Union The ifm antennas have a passive antenna structure The system integrator is responsible for meeting the standards Therefore it is expressly recommended to acquire these standards Two important standards in connection with antennas are not exhaustive EN 302208 and EN 50364 The first one deals with radio spectrum matters and limits the maximally radiated power while EN 50364 deals with the limitation of human exposure to el
6. d 12 2014 706386 00 ifm electronic Operating instructions RFID UHF Sensor Mid Range efecckori90 DTE820 RFID UHF Sensor Content 1 Preliminary Note ps tes ace ee Sais EE EL 3 11 Symbols US Et ea se eb iris ne aa SEC E eee V UG Name ee E Sag 3 2 Safety instructions os orn ES DEU Es dar ee s wees es Edu KT E NE a E Rd 9 2 l TS cs esce eren ad abs eR Sed DENEN LI S RE Res M NR EEG Wa 3 Edi m 3 2 3 Electrical connection sx 25 2 3 572 3 sea PS wah a4 be JEN RUNDEN RO d 4 2 4 Tampering with the device llle 4 25 rui Mie ae H 4 2 6 Environmental CONDIIONG 2 6 EEES dia RE CES GE data 4 2 7 Radiated electromagnetic field strengths 4 3 Functions and IBallM BS EE p EECPRR REOR PC ESEOA ORO bees E OR Rs 5 4 Items supplied MTPRT c rec 5 5 Accessories Wahi uu s ora 4 Oa dee did ea IR QUA E DD dd a d iti LES lo am 9 6 Characteristics of the antenna Lu aa LL 6 6 1 Reading range and tag shape 4 444 4eaa aa 6 7 Reading range and selectivity ccc eee eee eee T 8 Conformity with SEM dards 4 owes dema Se eam eee oh eS See TENS ae en eae 8 aci Ge on teen aad OP SO 10 07 01 7 211 0 eee 10 9 1 Installation location 3 xa x et ET Bol anak wk gS ee Sy UR FE ER ag 10 9 2 Laying OF COU BS oes uc tec REN RUPEE diu da d op Nu JEDE RUE
7. ectromagnetic fields As evidence of the antenna conformity with the standard EN 50364 the specific absorption rate SAR is calculated numerically The determined SAR values are compared with the basic limit values of EN 50364 classified to occupational exposure exposure of the general public and local exposure of head and trunk and limbs The WiRa is in general used for applications with a reading area starting with 20 cm At this distance the values are significantly below the maximum SAR values permitted by law In case that use is intended for smaller distances the respective SAR values are numerically calculated The assumptions taken as basis such as operating mode of the RFID system and characteristics of the human tissue ensure a conservative estimate of the exposure worst case scenario The calculation was also made for the most sensitive constellation i e for the case that members of the general public stay permanently in direct vicinity of the antenna with their head or trunk If the distance between the person and the antenna is less than 3 cm the DTE820 ensures that the maximally allowed SAR is not reached with an antenna input power of up to 0 34 VV 25 31 dBm In all other cases the DTE820 can be operated with the maximally radiated power of 0 5 W ERP 27 dBm or an antenna input power of 0 653 W 28 15 dBm The table below shows the maximum input powers with which the antenna may be supplied to ensure that the basic
8. limit values of the SAR are not exceeded Two different types of exposure are differentiated RFID UHF Sensor Max input povver Distance person 1 cm s distance 7 cm s distance and DTE820 person and person and 1 cm DTE820 7 cm DTE820 General public Limit values head and trunk 2 W kg Pin 0 32 W Pin 1 84 W Limit values local limbs 4 Wikg Occupational exposure as mE Limit values head and trunk 10 W kg PICO M id n Occupational exposure 7 Limit values local limbs 20 W kg En TOM RFID UHF Sensor 9 Installation 9 1 Installation location The operating principle of the antenna is influenced by the type of installation and the environment Observe the following remarks for the selection of the installation location e Keep a distance of min 70 cm to metal surfaces and the ground see Figure 1 e When installed in front of a metal surface use a mounting bracket that establishes a distance of exactly 12 cm between the back of the device and the metal surface see Figure 2 e With direct installation on a metal surface e g a plate as part of a mounting bracket use a square shaped metal plate with the dimensions 16 x 16 cm see Figure 3 e Avoid conductive objects such as tanks with liquids in the vicinity of the installation location The objects influence the performance of the antenna e Ensure sufficient heat dissipation at the installation location The maximum operating temperature indicated in the data
9. nd writing active and passive RFID tags in the frequency range of 865 868 MHz The DTE820 has a PoE Ethernet interface and a serial interface In addition digital inputs and outputs GPIO are available The device can be supplied with voltage either via PoE or locally On delivery the device can read and write tags according to the EPC Gen2 standard Other protocols can be uploaded via software updates UR Knowledge of the EPCglobal GS1 standard is necessary for the configuration of the DTE820 In this standard the function of the interface between tag and reader is described Further information at www epcglobalinc org The DTE820 can be controlled and evaluated in various ways Software ReaderStart Supplied DLL Access to the reader protocol I Items supplied DTE820 RFID UHF sensor CD with demo software example programming DLL and documentation 5 Accessories The following accessories are available for the DTE820 If you have any questions about the accessories please contact our sales team e Connection cable for Ethernet and current connection PoE article no E11898 e Mast and wall fixture article no E80340 for mounting RFID antennas DTE readers and sensors up to a total weight of 6 0 kg e Connection cable for GPIO and RS 232 connection 12 poles article no for 1 5 m ZB0643 article no for 5 0 m ZB0656 RFID UHF Sensor 6 Characteristics of the antenna The RFID UHF antenna integrated in the DTE8
10. on the device must be sufficiently ventilated Install the device only in places where ventilation is ensured With insufficient ventilation there is a risk of fire 2 6 Environmental conditions Do not place the device in the vicinity of heaters do not expose it to direct sunlight and do not operate it in wet environments No objects with open flames must be placed onto the device Protect the device against moisture falling water drops and splashing water Observe the environmental conditions indicated in the technical data sheet There is a risk of fire in unsuitable environmental conditions 2 7 Radiated electromagnetic field strengths The device complies with the requirements to CE Brand name ifm electronic DTE820 RFID UHF sensor for Europe The DTE820 is designed for operation in accordance with EN 302208 During operation the human exposure regulations to EN50364 have to be observed Ensure a minimum distance of 23 cm between antenna and human bodies During operation cardiac pacemakers of people in the vicinity may be impaired In case of doubt persons concerned should consult the manufacturer of the pacemaker or their doctor Reduce the output power of your device depending on the antenna cable length and the antenna gain RFID UHF Sensor 3 Functions and features The DTE820 RFID UHF sensor integrates a mid range RFID UHF antenna and an RFID UHF reader to process the antenna signals The device is suited for reading a
11. standards and guidelines valid for the application location RFID UHF Sensor 11 Abbreviations Abbreviations used in the brief instructions European standard Effective Radiated Povver Radio Frequency Identification Specific Absorption Rate Ultra High Frequency 12 Maintenance repair and disposal The device does not contain any components that need to be maintained gt Do not open the device gt The device must only be repaired by the manufacturer gt Dispose of the device in accordance with the national environmental regulations
12. te ES ES 2 Safety instructions 2 1 General These instructions are an integral part of the device They contain texts and figures concerning the correct handling of the device and must be read before installation or use Observe the operating instructions Non observance of the instructions operation which is not in accordance with use as prescribed below wrong installation or incorrect handling can seriously affect the safety of operators and machinery 2 2 Target group These instructions are intended for authorised persons according to the EMC and low voltage directives The device must only be installed connected and put into operation by a qualified electrician RFID UHF Sensor 2 3 Electrical connection Disconnect the device externally before handling it The device can be damaged when the operating voltage is switched on and no LAN cable is connected Connect a LAN cable to the device before you switch on the operating voltage The connection pins may only be supplied with the signals indicated in the technical data and or on the device label and only the approved accessories of ifm may be connected 2 4 Tampering with the device In case of malfunctions or uncertainties please contact the manufacturer Any tampering with the device can seriously affect the safety of operators and machinery This is not permitted and leads to the exclusion of any liability and warranty claims 2 5 Ventilation During operati
13. using the auxiliary voltage 24 V DC pin7 load the digital inputs and outputs with max 1 1 A Load digital inputs and outputs with max 30 V DC Use LPS Limits Power Source or NEC class 2 power supplies as external voltage source Observe the additional notes in the data sheet RFID UHF Sensor 9 5 GPIO and RS 232 connection The 12 pole M12 socket of the DTE820 provides the digital inputs and outputs GPIO and the serial interface Pin Connection s kszo s Teroro s eoms The digital inputs are not electrically isolated from the operating voltage of the DTE820 The DTE820 is operated with its own voltage supply Up INPUT 1 LI Ll INPUT 2 ap INPUT 3 GND Non electrically isolated circuit of the inputs RFID UHF Sensor The digital outputs are not electrically isolated from the operating voltage of the DTE820 OUTPUT 1 gt I H OUTPUT 2 9 A OUTPUT 3 zd GND Non electrically isolated circuit of the outputs 9 6 Ethernet and current supply connection The DTE820 is connected to the Ethernet via the 4 pole M12 socket D coded and supplied with current The current is supplied with PoE Power over Ethernet Observe the following remarks e Use a power supply with power limitation for the operation The power supply must not exceed 100 W on the secondary side e Use screened cables Data transfer via Ethernet with
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