scemtec Transponder Technology SIR 2720 User Manual

Annex no. 5
Functional Description /
State: 2010-03-01
m. dudde hochfrequenz-technik Rottland 5a D-51429 Bergisch Gladbach/ Germany Tel. +49 2207-96890 Fax +49 2207 968920
Vers. no.: 1.10
Manual and Specification
2720 (13.56 MHz Midrange Reader)
SIR-
Project:
SIR-2720
Creation date
24 Nov. 2010
Last date printed
31 Jan. 2011 14
Path: p:\sir-2720\spezifikation (manual)\manual & specification\sir-2720_manual_engl._v.0.04.doc Document number
0000.0000.2720
Project manager
M. Radermacher Jürgen Kalbitzer Rudolf Schmitz
System version
Author
M. Radermacher
0.1.1 0.04
Revised
31 Jan. 2011
Number of pages
Author
M.Radermacher
Development manager
Managing director
Document version
© scemtec transponder technology GmbH · Gewerbeparkstr. 20 · D-51580 Reichshof
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
Table of Contents
1 Introduction___________________________________________________________________ 3
2 System Description ____________________________________________________________ 4
3 Block Diagram_________________________________________________________________ 5
4 Operating Modes ______________________________________________________________ 5
4.1 Self-Test (Diagnosis) and STAND-BY Operation_____________________________________ 5
4.2 Reading / Writing Tags_________________________________________________________ 6
4.3 EAS Antitheft ________________________________________________________________ 6
5 Hardware _____________________________________________________________________ 6
5.1 Voltage Supply _______________________________________________________________ 6
5.2 Safeguarding, fuse-requirements_________________________________________________ 6
5.3 HF Unit _____________________________________________________________________ 6
5.4 External Antenna _____________________________________________________________ 7
5.5 Digital Signal Processing _______________________________________________________ 7
5.5.1
Processor _______________________________________________________ 7
5.5.2
Memory_________________________________________________________ 7
5.6 Interfaces ___________________________________________________________________ 7
5.6.1
RS232__________________________________________________________ 7
5.6.2
Ethernet ________________________________________________________ 8
5.6.3
USB ___________________________________________________________ 8
5.7 Inputs / Outputs ______________________________________________________________ 8
5.7.1
Binary Inputs_____________________________________________________ 8
5.7.2
Binary outputs____________________________________________________ 9
6 Software_____________________________________________________________________ 10
6.1 Firmware for the SIR-2720 13.56 MHz Midrange Reader _____________________________ 10
6.2 STX / ETX Interface Protocol ___________________________________________________ 10
7 Diagnosis____________________________________________________________________ 11
7.1 Self-Test (POST) ____________________________________________________________ 11
7.2 LEDs______________________________________________________________________ 11
7.2.1
External Diagnosis LEDs __________________________________________ 11
7.3 Label / Type Plate____________________________________________________________ 11
8 Mechanical Data / Housing _____________________________________________________ 11
9 Electrical Data ________________________________________________________________ 12
10 Conformity___________________________________________________________________ 13
10.1 CE Conformity ______________________________________________________________ 13
10.2 FCC Conformity: Information for USA____________________________________________ 13
11 Delivery Scope / Optional Equipment and Accessories______________________________ 14
11.1 Manual, CD-ROM, Test Software, Protocol Description ______________________________ 14
11.2 Optional Accessories / External Antenna(s)________________________________________ 14
12 Datasheet____________________________________________________________________ 14
13 Related Documents / Document History __________________________________________ 14
13.1 Document History____________________________________________________________ 14
Document No. SIR-2720 Version: 0.04 Page 2 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
1 Introduction
As with all electronic systems, the system described hereafter may also not be used for any applications critical for maintaining safety. This means, the products may not used in life support applications or any other life critical applications that could involve potential risk of death, personal injury or severe property or environmental damage. The user/operator is solely responsible for any damages resulting from an improper or unintended utilization of the system.
scemtec Transponder Technology GmbH (STT) reserves the right to make changes or to discontinue its products or services at any time without notice. STT takes no responsibility for customer applications, products, or performance relating to systems or applications incorporating with STT products. STT assumes no liability and is not responsible for infringement of patents and/or any other intellectual or industrial property rights of third parties, which may result from assistance provided by STT.
The Windows® logo is a registered trademark of Microsoft Corp. All other products mentioned in this document might be brands or brand names of the different suppliers.
Copyright © 2007 scemtec Transponder Technology GmbH (STT)
General:
As this technology is based on radio frequency, one must exercise the following operational and mounting instructions to achieve best operation:
Metal affects radio signals. Normally the antenna has to be as far away as possible from any metal object and it’s damping influence on the magnetic field. Only this leads to the best distribution of the magnetic field in the reading range. Very important as well is not to have “short circuits”, in the vicinity of the antenna, damping the magnetic field. A “short circuit” is any metal near the antenna, building a “metallic ring”, so that currents introduced by the RF-field can flow, destroying the energy needed for the tag to operate.
Care must be exercised to reduce or eliminate unwanted signals (so called interference or noise) from external sources. The reading range may be reduced by following noise sources:
portable two way radio
cellular phones
switching power supplies
computer monitors
frequency converters (e.g. motor control systems)
The read range is depending upon
performance of the reader
size of the antenna
size of the tag (the bigger the better)
orientation of the tag antenna plane to the reader antenna plane
quality of the tag
matching of reader antenna size and tag (-antenna) size
environmental, electrical noise
If influence of metal can not be fully avoided a tuning of the antenna is required and will
improve reading range
Document No. SIR-2720 Version: 0.04 Page 3 of 14
2 System Description
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
The "SIR-2720 13.56 MHz Midrange Reader System" is hereafter referred to as "Reader."
This manual describes the SIR-2720 13.56 MHz Midrange Reader System, Reader for short.
This SIR-2720 Midrange Reader System is designed as a multi-tag system to read and write information stored on transponders (tags). The operating frequency of 13.56 MHz yields a relatively wide reading range of up to 700 mm depending on antenna system (mainly with larger externally attached antennas) and transponder -type and -size. This first generation of SIR-27xx Midrange Readers is based on the hardware developed by scemtec Transponder Technology featuring an RF transmitting power of max. 1.4W @ 50-load. The SIR-2720 13.56 MHz Midrange Reader System is the second product in the SIR-27xx product family. The transmission of data between the reader and a host computer via the asynchronous RS232 interface can be up to 115200 baud. A USB 2.0 full speed compatible interface and an Ethernet port is available as well.
The reader is compatible with standards ISO/IEC 15693- 2 and ISO18000-3 "A."
Document No. SIR-2720 Version: 0.04 Page 4 of 14
Power
Switching
Demod- Unit
Converter
Digital
Inputs
Outputs
USB
RS 232
Ethernet
18,432MHz
DSP
EEProm
Interface
Block - Diagramm SIR - 2720 13,56 MHz Midrange Reader System
Digital
3 Block Diagram
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
13.56 MHz Midrange Reader System:
external antenna (via BNC­connector)
Analog
FILTER
FILTER
MIXER
PA
Power supply 12 V =/DC
OSZ
13,56 MHz
Mod- Unit
Unit
A / D
18,432MHz
25MHz
4 Operating Modes
4.1 Self-Test (Diagnosis) and STAND-BY Operation
After the main power supply has been switched on, a green LED labeled POWER lights up, which also supplies power to the CPU unit. The reader is ready for operation after a short self-test. The reader carries out a short self-test each time it is switched on. This tests all key components and functions of the reader. Once the diagnosis routines have completed successfully, the software switches to IDLE mode, i.e. the program waits for input via one of the three described ports of the interface to switch to a different operating mode. At this time, the antenna does not yet transmit since the carrier is still switched off. The hardware is in STANDBY operating mode, the carrier is not active, and the energy consumption of the reader is minimal. The carrier is automatically switched on once the reader receives a command from the host sent across the interface, which the reader can only carry out with activated carrier. If there is no input for a longer period of time after executing the command, the carrier is switched off again and the hardware enters the STANDBY mode again as well. The time until the carrier is switched off can be set with the software. It is also possible to set the carrier to a stable on or off state using the software.
Document No. SIR-2720 Version: 0.04 Page 5 of 14
while operating(carrier on):@12 V / DC power supply
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
4.2 Reading / Writing Tags
Several tags in the field can be read or written simultaneously (anti-collision). The duration of the reading/writing process depends on the number of tags in the field. Generally, there is no max. number of tags that are permitted in the field at the same time.
4.3 EAS Antitheft
EAS is an abbreviation of Electronic Article Surveillance. This operating mode serves to monitor items or
articles electronically. The tags in the field are neither read nor written. The only thing determined is whether a tag is in the field with a set EAS mode flag. This mode allows for greater ranges than the read/write mode. When using an external antenna such as the scemtec SAT-A40-LR-O-13MHz with an edge length of 400 mm (available as optional equipment), the detection range can be expanded up to max. 700 mm.
Note: EAS mode is not supported by all silicon and transponder manufacturers.
5 Hardware
5.1 Voltage Supply
The standard version of the SIR-2720 reader in standard housing is designded for an input voltage range of 12 Volt / =DC and a tolerance of +/_ 1Volt . The following input voltage ranges are thus possible with the rated current consumptions in different operating modes:
Input voltage ranges:
= DC / direct current Input voltage - tolerance
Current consumption of the different operating modes: in STANDBY mode: @12 V / DC power supply
For the SIR-2720 reader system is a suitable wall plug 12 volt =DC / 1000mA power supply also as optional accessory available and contactable to the SIR-2720 over a 2.1-mm standard barrel connector.
5.2 Safeguarding, fuse-requirements
Regarding the safety requirements for the SIR-2720 a standard TR5-fuse T1A / 250V (slow blow fuse) is used to protect the complete electronics inside against short circuits or overcurrent .
It is required that this fuse should only be changed by trained technician or skilled personnel !
12 volt
+/_ 1 volt
150 mA 800 mA
5.3 HF Unit
The carrier frequency of 13.56 MHz is generated in the HF unit. The final stage generates an output of max. 1.4 watt on nominal ZF = 50 .
Document No. SIR-2720 Version: 0.04 Page 6 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
5.4 External Antenna
The reader is only operational with an external antenna. The operating frequency f0 amounts to
13.56MHz with a max. RF output of 1.4W on nominal ZF = 50 . Some key parameters of the reader such as range, for example, depend on the used antenna, the used transponder type and size and quality, and the resulting magnetic coupling between the transponder resonant circuit and the transmission/receiver antenna. Normaly only one external antenna can be connected with a BNC plug connection located on the front of the cable inlet side (see port labeled “Antenna out”). Optional the SIR-2720 reader system can be delivered in the max. increment with two external antenna ports and cyclically multiplexed via software (host-controlled or autarc in combi-mode). When operating with the external antenna, this antenna should be configured for the optimal resonance frequency of 13.56MHz with ohmic adjustment (nominal ZF = 50 ) to ensure the best possible adjustment to the SIR-2720 13.56MHz Midrange Reader System.
Recommended external antennas are scemtec antenna models:
SAT-A11-LR-O-13MHz 600 mm diameter Loop antenna SAT-A40-LR-O-13MHz 400 mm * 400 mm Loop antenna SAT-A4-LR-P-13MHz 200 mm * 200 mm Loop antenna
5.5 Digital Signal Processing
5.5.1 Processor
A Texas Instruments digital signal processor (DSP) is utilized.
5.5.2 Memory
The utilized memory consists of flash memory. The flash memory firmware can be updated at any time using one of the three interfaces to be activated. A serial EEPROM to store the configuration data is standard equipment.
5.6 Interfaces
Interface-connectors of the SIR-2720 13.56 MHz Mid-Range Reader System
5.6.1 RS232
The RS232 interface serves to connect the SIR-2720 13.56MHz Midrange Reader System with a host computer. The connection is made using the 9-terminal D-SUB plug labeled RS232. Each data transfer starts with a start bit followed by eight data bits and one stop bit. Parity is configured as no parity. Please consult the current scemtec STX/ETX protocol description and specification for additional information about the interface protocol. The speed at which the entire reader system and the host computer are working is significantly affected by the data transfer between reader and host. This data transfer rate is adjustable using the software of the SIR-2720 13.56MHz Midrange Reader System. This involves a standard RS232 interface cable.
Document No. SIR-2720 Version: 0.04 Page 7 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
Configurable Data Transfer Rates
1200 bits/sec 2400 bits/sec 4800 bits/sec
9600 bits/sec 19200 bits/sec 38400 bits/sec 57600 bits/sec
115200 bits/sec
5.6.2 Ethernet
The 13.56MHz Midrange Reader System SIR-2720 is equipped with a 10/100 T-Ethernet interface.
5.6.3 USB
The SIR-2720 13.56MHz Midrange Reader System is equipped with a USB 2.0 full speed (12 Mbits/sec) port.
Please consult the separate SEC-1500 interface-specification for additional details!
5.7 Inputs / Outputs
Inputs/outputs of the SIR-2720 13.56 MHz Mid-Range Reader System
5.7.1 Binary Inputs
Two binary inputs are available for customer-specific tasks. Both inputs are accessible with indirect­connected optoisolators and screw terminals (see terminal description below). Both inputs pins (photodiode) of the optoisolator are direct routed to the screw terminals. This means the input current should amount to at least 5 mA and max. 10 mA with a defined input voltage of up to max. 24 VDC using a suitable dropping resistor. For example, this results in a dropping resistor value of approx. 4.7 kOhm, which must be still terminated externally, for an input voltage of 24 VDC and a required input current of the photodiode of 5 mA. The state of both binary inputs must be imported unambiguously using the software; see software description STX/ETX protocol.
Document No. SIR-2720 Version: 0.04 Page 8 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
Terminal assignment:
Input designation: Terminal designation: Internal photodiode assignment:
I 1 + (A) Anode of the optoisolator input 1 Input 1 I 1 – (K) Cathode of the optoisolator input 1 I 2 + (A) Anode of the optoisolator input 2 Input 2 I 2 – (K) Cathode of the optoisolator input 2
All screw terminals are clearly marked with their specific terminal designation using a suitable label at the terminal. The screw terminals make possible contact via a wire cross section of max. 2.5mm².
Electrical data:
Parameter: Input: Symbol: Min. Typ. Max. Unit
Input voltage Input 1 I1 5 - 24
Input current Input 1 I1 5 7,5 10 mA
Input voltage Input 2 I2 5 - 24
Input current Input 2 I2 5 7,5 10 mA
5.7.2 Binary outputs
Two binary outputs in the form of potential-free contacts are available for customer-specific tasks. Both outputs are accessible with indirect-connected relays and screw terminals (see terminal description below). They are freely configurable with the software; see software description STX/ETX protocol. The following tables describes the terminal assignments and the electrical data (e.g. contact rating) of the individual contacts.
Terminal assignment:
Input designation: Terminal designation: Internal photodiode assignment: Output 1
Output 2
All screw terminals are clearly marked with their specific terminal designation using a suitable label at the terminal. The screw terminals make possible contact via a wire cross section of max. 2.5mm².
O 1 (no) Make contact output of the potential-free
contact of output 1
O 1(com) Ref. point for make contact output of the
potential-free contact output 1
O 2 (nc) Break contact output of the potential-free
contact of output 2
O 2(com) Ref. point for break contact output of the
potential-free contact output 2
Volt /
DC
Volt /
DC
Document No. SIR-2720 Version: 0.04 Page 9 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
Electrical data:
Parameter: Output: Symbol: Min. Typ. Max. Unit
Output
switching voltage
Output
switching current
Output
switching voltage
Output
switching current
Contact ratings of
the output contacts
Internal resistance
of the output
contacts
Connection options for binary inputs/outputs and HF antenna:
Output 1 O 1 - 24 40
Output 1 O 1 - 50 100 mA
Output 2 O 2 - 24 40
Output 2 O 2 - 50 100 mA
Output 1 / 2 O 1 / O 2 - 500 800 mWatt
Output 1 / 2 O 1 / O 2 - 25 35
BNC connector for external antenna
Volt
AC / DC
Volt
AC / DC
/Ohm
Binary outputs
Binary inputs
6 Software
6.1 Firmware for the SIR-2720 13.56 MHz Midrange Reader
The firmware for the SIR-2720 13.56 MHz Midrange Reader contains all basic functions for reading and writing of tags of different manufacturers (air protocol), numerous control functions, as well as different diagnosis routines. These routines are used to test the key components and functions of the reader. A demo software for Windows is included on the CD-ROM delivered together with the device.
6.2 STX / ETX Interface Protocol
A special transfer protocol is available for the SIR-2720 13.56 MHz Midrange Reader System documented in the scemtec STX / ETX protocol. The required STX/ETX protocol description is included on the CD-ROM delivered together with the device.
Document No. SIR-2720 Version: 0.04 Page 10 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
7 Diagnosis
7.1 Self-Test (POST)
A selftest POST (Power On Self Test) is carried out automatically after turning on or connecting to the mains power supply. This also includes testing the key components and functions of the reader. Should a malfunction occur while using the SIR-2720 13.56 MHz Midrange Reader System, simply load the POST diagnosis by turning the unit (or the mains power supply) off and then on again. The displayed error message then helps in solving the problem quickly and reliably. Numerous software commands for a targeted diagnosis are available as well.
7.2 LEDs
7.2.1 External Diagnosis LEDs
Three external LEDs provide users with a diagnosis of the most important monitoring functions "Power" , "Tag Detect" and “EAS”
Three external LEDs to indicate important operating states
LED Color Designation Description
1 GREEN Power The voltage supply for the CPU is ensured 2 YELLOW Tag Detect A read or write process for the transponders in the magn.
field has concluded successfully
3 RED EAS
EAS is an abbreviation of Electronic Article Surveillance
7.3 Label / Type Plate
The SIR-2720 13.56 MHz Midrange Reader System features a system label that provides information about the specific scemtec system number "220.2720" and the consecutive serial number (four digits), e.g. "0001" of the production lot.
8 Mechanical Data / Housing
An aluminum housing protection type IP 20 (in acc. with DIN EN 60529) is used. This housing is equipped with two lateral covers attached with screws. Four screw channels and two installed fastening rails (lugs) are used to mount the housing to the wall.
Case dimensions (exterior)
Length 185 mm Width 130 mm Height 44 mm Color Natural matte aluminum
The following chapter lists the exact housing dimensions and detailed installation information.
Document No. SIR-2720 Version: 0.04 Page 11 of 14
9 Electrical Data
No.
1 2 3 4 5
:
Max. current consumption / @12Volt DCin
Operating (ambient) temperature range
Storage temperature range
Parameter
Min. DC input voltage
Max. DC input voltage
Absolute Max. Parameters
General Parameters
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
Symbol
V
T
V
min
max
I
max
amb
T
stg
Value
11 Volt 13 Volt
850 mA
- 10 to 60
- 20 to 70
Unit
°C °C
No. Parameter
6
7
8
9
11
12
13
14
15
16
17
Operating frequency
RF output-
power 50
RF input
sensitivity
Current
consumption at
U
= 12 Volt
in
Current
consumption at
U
= 12 Volt
in
Transmission
rate
RS232 interface
Input current
binary inputs
I1/ I2
Input current binary inputs
I1/ I2
Output
switching voltage
binary outputs
O 1 / O 2
Output
switching
current
binary outputs
O 1 / O 2
Output
switching output
binary outputs
O 1 / O 2
Test
condition
Defined in
ISO document
Terminal
resistance 50
/25°C
P
1.4W
out =
T
amb = 25°C
RF
=1.4W
out
T
amb = 25°C
STANDBY mode
T
amb = 25°C
Defined in DIN
66020
U
=12 V/DC
in
T
amb = -10°C - 60°C
U
=24 V/DC
in
R
= 4.7k
ext.
T
amb = -10°C - 60°C
U
=24 V/DC
in
R
= 4.7k
ext.
T
amb = -10°C - 60°C
U
=24 V/DC
out
T
amb = -10°C - 60°C
Symbol Min. Typ.
F
RF
P
out
- tbd
I
in
I
in
1200 - 115200 bits/sec
I
in-High
I
in-Low
U
out
(AC/DC)
Max.
- 13.56 - MHz
- 1db 1400 + 1db
- 700 850 mA
- 120 150 mA
5 7.5 10 mA
- - 0,5 mA
- 24 40 V
- dBm
Unit
mW
Min / Max
values
X
X
X
(X)
(X)
X
X
X
X
Typ.
values
X
X
see
5.7.1
see
5.7.1
see
5.7.2
see
5.7.2
U
=24 V/DC
out
T
amb = -10°C - 60°C
I
out
- 50 100 mA
X
see
U
=24 V/DC
out
T
amb = -10°C - 60°C
P
out
- 500 800 mW
X
5.7.2
Document No. SIR-2720 Version: 0.04 Page 12 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
10 Conformity
10.1 CE Conformity
The company scemtec Transponder Technology GmbH declares that the product device type
13.56 MHz Mid Range Reader with the type designation
SIR-2720
complies with the basic requirements of Directive
1999/5/EC
of the European Council.
The following standards were used as the basis for this evaluation:
EN 300 330 (Part Radiated Spurious Emission)
Available soon: EN 301 489-1, -3
EN 60950
EN 50364
10.2 FCC Conformity: Information for USA
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including Interference that may cause undesired operation. Usually this is followed by the following FCC caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.
Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.
Professional Installation: To comply with FCC part 15 rules in the United States, the system must be professionally installed to ensure compliance with the Part 15 certification. It is the responsibility of the operator and professional installer to ensure that only certified systems are deployed in the United States. The use of the system in any other combination (such as co-located antennas transmitting the same information) is expressly forbidden.
Document No. SIR-2720 Version: 0.04 Page 13 of 14
Manual and Specification
SIR-2720 (13.56 MHz Midrange Reader)
11 Delivery Scope / Optional Equipment and Accessories
11.1 Manual, CD-ROM, Test Software, Protocol Description
11.2 Optional Accessories / External Antenna(s)
For the SIR-2720 reader system is a suitable wall plug 12 volt =DC / max.1000mA power supply as optional accessory available and contactable to the SIR-2720 over a 2.1-mm standard barrel connector.
Three standard antenna models are sold by scemtec: SAT-A40-LR-O-13MHz, SAT-A4-LR-P-13MHz, SAT-A11-LR-O-13MHz
12 Datasheet
See additional document : datasheet “ SIR-2720
13 Related Documents / Document History
[STXETX] STX/ETX Protocol description Scemtec's STX/ETX Protocol description is distributed with every Reader on the product CD
13.1 Document History
Version Date Changed by Description
0.01 26.11.2010 Radermacher Initial Version
0.02 01.12.2010 Radermacher added safeguarding/fuse-requirements (5.2)
0.03 17.01.2011 Radermacher added new block diagram, new safeguarding­information and new FCC conformity­information for Class A digital device
0.04 31.01.2011 Radermacher added professional installation-information
under chapter 10.2 FCC conformity
Document No. SIR-2720 Version: 0.04 Page 14 of 14
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