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Manual

Compact Reader ARE I2

Installation Guide for Systems with a

Serial Interface (RS 232)

Manual

Page 2 / 33Revision 01

ARE I2 / RS 232 – Installation Guide

Contents

1

INTRODUCTION

5

2

SYSTEM OVERVIEW

5

3

START-UP PROCEDURE

6

4

INSTALLATION

7

4.1

Mounting of the Housing

7

4.2

Grounding of the Reader

7

4.3

Assemblage of the Line Connectors

7

 

4.3.1

Allowed Diameter of the Used Cables

8

 

4.3.2

Assembling of the Cable Pipe

8

 

4.3.3

Mounting of the Power Supply Cable

9

 

Assembling of the Power Supply and Data Cable (Single Cable Pipe)

10

 

4.3.5

Final Assembly of the Cable Pipe

11

 

4.3.6

Plug in of the SAB Cab

11

 

4.3.7

Using the Service Cable ID 70213

12

 

4.3.8

Using the Power Supply and Data Cable ID 70212

13

4.4

Power Supply

13

5

VISUAL SIGNAL LAMPS

14

6

SETTINGS OF THE READER / MOST IMPORTANT PARAMETERS

15

6.1

General

15

6.2

Error Codes

16

6.3

CID – Suppression of ID Codes

16

6.4

CN – Suppression of No Reads

17

6.5

NIDFailure Protection

17

6.6

ECEcho

19

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ARE I2 / RS 232 – Installation Guide

 

6.7

BDBaudrate

 

19

6.8

TOR – Maximum Reading Time

20

6.9

VSShow Parameter

 

20

6.10

VSAVE – Save Parameter

20

7 OPERATING MODES OF THE READER

21

7.1

Mode 2 – Triggered by an Software Command

21

7.1.1

Settings of the Reader / Most Used Parameters

22

7.1.2

Basic Data Exchange Process

23

7.1.3

ReadOnly-Transponder

23

7.1.4

R / W –Transponder

23

 

7.1.4.1

Standard Read Process / Serial Number of the Transponder GT

23

 

7.1.4.2

Selective Read

RD

24

 

7.1.4.3

Writing Process

WD

24

7.2

Operating Mode 0 - Continuous Reading

26

7.2.1

Settings of the Reader / Most Used Parameters

26

8

INSTRUCTIONS

 

28

8.1

General Instructions

 

28

8.2

Special Instructions for Using a Read / Write System

29

9

HOTLINE

 

30

10

REFERENCE DOCUMENTATION

30

11

REVISIONS

 

30

12

APPENDIX

 

31

12.1

Best Orientation for an F-Type -Reader

31

12.2

Best Orientation for an L-Type -Reader

32

12.3

Assembling of the SAB Cab

33

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Manual

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ARE I2 / RS 232 – Installation Guide

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Manual

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ARE I2 / RS 232 – Installation Guide

1 Introduction

This document will describe the components of the Compact Reader System ARE I2 / RS 232 and the procedure how to do the first set up of the reader.

The main features of the reader are listed below:

the antenna is placed inside of the housing (base version)

there are algorithm available to read nearly all 125 kHz-transponders on market

the serial RS 232-Interface is placed inside of the housing, allowed baud rate are up to 19200 Bit/s

the allowed supply voltage is 9 to 30VDC

low power consumption of reader < 1.2 Watt

high reliability for reading and writing within an industrial environment.

compact housing of the reader with multiple ways for mounting.

the cabling concept of the reader is optimised to service demands.

the protection class of the housing is IP65

there is a set of external antennas available to meet special application demands ( X-tended version)

2 System Overview

In the base version all electronic components of the reader is placed inside of a small plastic housing.

24VDC

Transponder

Reader with

 

Integrated Antenna

 

 

 

(9-Pin SubD) RS232

ARE I2

Figure 2-1: Concept of the Reading System

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ARE I2 / RS 232 – Installation Guide

The connection of the cables (power supply and data transfer) is done inside of the connection cab (SAB Cab). Together with an sealing element a protection classification of IP 65 is guaranteed.

By means of the integrated antenna the reader generates an alternating magnetic field, which powers the transponder. Coded signals sent back from the transponder are received and decoded by the reader

The reader is fully controlled by an Master with RS 232 data port, while using the integrated serial RS 232 Interface of the reader.

The side of the housing showing the antenna symbol must not be brought next to a metal surface. This could lead to a significant change of the properties of the antenna circuit, which in turn reduces the reading range considerably.

Environmental electromagnetic noise may also reduce the specified reading performance.

Special hints to overcome these problems are documented in Chapter 8.

3 Start-up Procedure

The start-up procedure of the reader system is split up to following steps:

mounting of the reader and pin connection (cabling), see Chapter 4

operational instructions, see Chapter 7

To get a feeling how the IdentSystem will work, first start the reader controlled by the serial interface (RS 232) of an isolated PC.

The next step is to integrate the reader to the operating network.

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ARE I2 / RS 232 – Installation Guide

4 Installation

To get the specified reading performance it is necessary to do the installation carefully step by step as it is described in the following Chapters. All the work must be done by well educated people.

4.1Mounting of the Housing

The reader can be mounted to any other mechanic construction. It is recommended to protect the housing against heavy mechanical interactions.

Attention!

The side of the housing showing the antenna symbol must not be brought next to a metal surface. This could lead to a significant change of the properties of the antenna circuit, which in turn reduces the reading range considerably.

With the help of the plastic bars, the reader can mounted or screwed on to the most fastening elements without open the housing of the device.

4.2Grounding of the Reader

To get reliable reading results, the reader must be grounded. The connector is place at the side of the housing (6.35 mm flat contact).

To avoid EMV-problems, the cable to ground ought to be very short with low impedance.

Attention! The topology of the ground wires must be done in the right way (according state of art).

4.3Assemblage of the Line Connectors

The connection of the power supply and data transfer cables are done by using the connectors of the SAB Cab. The Assemblage inside of the SAB Cab is described in Chapter 4.3.1 to 4.3.7.

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ARE I2 / RS 232 – Installation Guide

Inside of the SAB Cap there are the pins of following connections:

power supply

data link to the serial interface RS232

The codes to order the SAB Cabs and preassembled cables are listed below:

ID 70212

SAB-Cab incl. one PG9 cable pipe and 5 wire cable (standard cable)

ID 70213

SAB-Cab incl. one PG9 cable pipe and 5 wire cable / Sub D 9 Connector

 

(Service Cable)

ID 70221

SAB-Cab incl. one PG9 cable pipe

ID 70215

SAB-Cab incl. two PG9 cable pipes

ID 70219

SAB Cab without any cable pipe. The cabling is done by the customer himself.

4.3.1 Allowed Diameter of the Used Cables

The allowed diameters of the cables used for data link and power supply must be in the range from 3,5 to 8mm. For this case, IP 65 is reached.

4.3.2 Assembling of the Cable Pipe

If no preassembled SAB Cab are used (Best-Nr. ID 70214), the assembling must be done in following way:

Breakthrough the prepared areas at the surface of the SAB Cabs. There are two prepared areas seen at the SAB Cab: central and at one side of the cab.

The sealing must be done in the correct way O-Ring (3) at the cable pipe (4) (see also Figure 4-1.

2

4

 

 

3

1

Figure 4-1:Assembling oft the Cable Pipe

Bring the nut (2) of the cable pipe inside of the SAB Cab (1).

To fasten the nut please use the right tool (17mm)..

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4.3.3 Mounting of the Power Supply Cable

The power supply cable must be mounted in following steps:

Remove all inner parts from the cable pipe at the SAB Cab (1) ( nut (5), pipe(4) and cable fastener (3)) (see Figure 4-2)

Put all the removed parts ( nut (5), pipe (4), cable fastener (3)) and the cable pipe of the SAB Cab as well (1 to 4) to the cable.

 

5

 

4

3

Cable

6

1

7

Figure 4-2: Arranged Parts for Mounting

Remove the outer isolation of the cable at a length of 6cm .

Remove the isolation of the wires at a length of 6 [mm] and stick a covering hull to the litz wire.

Put the cable to the cable pipe. The length of the cable coming out the SAB Cab must long enough to do all further installation steps in an easy way.

Stick the pipe (4) into the cable fastener (3).

Stick the cable fastener (3) into the cable pipe.

Connect the power supply cable into the right places of the MINI-COMBICON-Connector (see Figure 4-2 Part (6)).

The pin assignment is shown in the figure below.

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ARE I2 / RS 232 – Installation Guide

green black

B

A

 

+US

C

-

-US

D

L

E

+

UL

V+DC

 

NC

 

RXD

shielding

TXD

 

GND (0V)

 

+9..30V

NC

DC

 

ARE I2

4.3.4 Assembling of the Power Supply and Data Cable (Single Cable Pipe)

The connection of the cable is also done inside of the SAB Cab. Instead of an 2-wire power supply cable there is now an 5-wire data cable needed. The diameter of the inner wires must be big enough to keep the voltage drop in the specified range.

The steps to mount the cable is decried in Chapter 4.3.3.

green black

shielding

RxD (reader)

 

B

 

 

 

 

TxD (reader)

A

-

+US

GND

C

L

D

 

-US

E

+

U L

V+DC

 

NC

 

RXD

shielding

TXD

 

GND (0V)

 

+9..30V

NC

DC

 

ARE I2

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ARE I2 / RS 232 – Installation Guide

4.3.5Final Assembly of the Cable Pipe

Pull by and by all the cable back, until the isolation of the cables are near to beginning of the cable pipes.

Fasten nuts (5) of the cable pipes with the right tool (17mm).

Do this carefully, to ensure the tightness of the protection class of IP 65..

Plug the finished assembled MINI-COMBICON-Connector to the SAB Cab. Take care of the correct coding ((7) in Figure 4-2) of the connectors.

4.3.6Plug in of the SAB Cab

Attention:

Before plugging the SAB Cab to the connectors of the reader, make sure that the grounding of the device is well done. Otherwise the electronic may be destroyed by electrostatic discharge (ESD).

1

B

A 2

Figure 4-3: Plug on the SAB Cab

Put on the sealing 2 to the SAB Cab (A).

Plug in the SAB Cab to the connector at the bottom of the reader device (B).

There is only one way to plug in the SAB Cab to the connector rim of the reader.

Fasten the SAB Cab with the help of the screws.

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4.3.7 Using the Service Cable ID 70213

Using the Service Cable, no special assembly work inside of the SAB Cab has be done by the customer. After making the link to a power supply and plug in the Sub D 9 Connector to the Com Data Port of an PC, the reader is ready to work.

:

 

 

power supply:

brown =

+ 9 ...30 Volt

 

white =

Ground

RS232

 

 

 

( 9 Pins Sub-D female)

 

 

 

1

 

 

 

2

TxD (reader)

RXD

shielding

TXD

 

3

RxD (reader)

GND (0V)

 

V+ (+24V)

 

 

 

 

4

 

 

 

5

GND

 

ARE I2

6

 

 

 

7

 

green

black

8

 

B

 

9

 

A

+US1

D

 

-US1

 

C

+US2

E

-US2

V+DC

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4.3.8 Using the Power Supply and Data Cable ID 70212

Using the Power Supply and Data Cable, no special assembly work inside of the SAB Cab has be done by the customer. After making the link to a power supply and to the connector block of Serial Data Port, the reader is ready to work.

power supply:

brown =

+ 9 ...30 Volt

 

white =

Ground

serial Interface:

green =

RxD ( reader receives data‘s )

RS 232

yellow =

TxD ( reader sends data‘s )

 

grey =

ground

4.4Power Supply

The device is designed for DC Current with an voltage in the range between 9. to .30VDC. The minimum power of the power supply is 1.2 Watt. There no need to use special cable to supply the device.

Attention!

The minimum voltage at the at the readers input mustn’t be lower then 9V.

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ARE I2 / RS 232 – Installation Guide

5 Visual Signal Lamps

To show the operational state or results there are 5 LED at the side of the housing.

L1:

twinkles, if the processor works.

L2:

lit, if the latest reading process was successful

L3:

lit, if the latest reading process was a NoRead

L4:

lit, if the reader receives data’s at the serial data

 

port ( Rx )

L5:

lit, if the reader sends data’s at the serial data port

 

( Tx )

BFH ID

Moderne elektronische

Objekterkennung und Verfolgung

ARE I2

L 1

L2

L3

L4

L5

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6 Settings of the Reader / Most Important Parameters

The default value of the operating mode parameter is 2..

MD 2 triggered by an software command – default value

MD 0 continuos mode

6.1General

The command set described below defines the transfer of data on the serial interface.

The commands consist of a command code and optionally of a parameter value. Commands are terminated by the control character <CR> (13h). The control character serves as command line terminator.

Command codes and parameters, that means all letters and numerical values, are principally transmitted as a sequence of ASCII characters (the value 255 (decimal) consequently as 32H, 35H, 35H; the command RST as 52H, 53H, 54H).

The protocol format is as follows

command <SP> parameter <CR>

The space character <SP> separates commands from parameters and the <CR> character acts as command line terminator.

For commands without parameter values (e.g. GT ) the <SP> character and parameter values are omitted. The command line is as short as this:

command <CR>.

Generally, every input terminated by <CR> is acknowledged by the reader. The following response protocols are different:

Generally, every input terminated by <CR> is acknowledged by the reader. The following response protocols are different:

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After entering a valid command together with a parameter value, the system answers by sending the parameter value and <CR>. Example:

Command:

MD <SP> 2 <CR>

Output:

2 <CR>

After entering an invalid parameter value, the system answers with the corresponding error code

Parameter settings can be queried by sending the command without adding an parameter value. Example:

Command:

MD <CR>

Output:

1 <CR>

If a single <CR> is input, the reader answers with a single <CR>. Example:

Command: <CR>

Output: <CR>

Please note: If echo mode is active, a single <CR> forces the reader to output <CR> <CR> (echo plus output).

6.2Error Codes

If a command is not entered correctly, the reader sends one of the following error codes:

Wrong command: <NAK> #00 <CR>

Wrong parameter: <NAK> #02 <CR>

6.3CID – Suppression of ID Codes

With CID=1 only the first of in succession identical transponder numbers is output on the serial interface. The possibly following identical transponder numbers are suppressed, as long as no new valid transponder number is received, processed and output. NoReads do not influence the data filtering.

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Input format:

CID <SP> parameter <CR>

Parameter:

 

 

 

 

 

 

Value

Function

 

0

no filter function , (default value)

 

1

suppression of repeatedly read IDs

Please note: The CID parameter is only active, if the GT-Command is applied or the reader is in the Continuos Reading Mode. In the MD 2 anyway a <CR> is sent to the master.

6.4CN – Suppression of No Reads

Through the setting CN=1 all NoRead results are suppressed on the serial interface..

Input format:

CN <SP> parameter <CR>

Parameter:

 

 

 

 

 

 

Value

Function

 

0

 

issue NoReads on serial interface; (default value)

 

1

 

suppress NoReads on interface

Output (example):

0 <CR>

Please note: The CN parameter is only active, if the GT-Command is applied or the reader is in the Continuos Reading Mode. In the MD 2 any way a <CR> is sent to the master.

6.5NIDFailure Protection

NID specifies the number of identical transponder numbers, which have to appear for the result “successful reading“ within a reading cycle. In the setting NID = 1, two successive readings have to show the same transponder number.

Input format:

NID <SP> parameter <CR>

 

Parameter:

 

 

 

 

 

 

 

 

Value

 

Function

 

 

 

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0one out of one (no effect)

1two out of two ; (default value)

Output (example):

1 <CR>

 

 

 

 

 

Sequence of readings

 

Length of the reading cycle

Result of the reading cycle

NoRead

 

1 reading

NoRead

0000125ED1, 0000125ED1

 

2 readings

0000125ED1

0000125ED1, 0000126ED1

 

2 readings

NoRead

Schedule 6-: example for a reading cycle with NID=1

Example: A, B, C are specific different transponder numbers, N is NoRead:

Sequence of reading cycles

Output sequence after

Output sequence after

 

filtering with CN=0 and

filtering with CN=1 and

 

CID=1

CID=1

N, N, ......,N, A, A, A, ....A, N,N, .........

N, N, ......,N, A, N, N,

A

 

.......

 

N. N, N, A, A, A, N, A, A, B, A, C, C, C, .......

N. N, N, A, N, B, A, C,

A, B, A, C

 

.....

 

N, N, B, B, B, B, B, N, N, N, B, B, B, B, N,

N, N, B, N, N, N, N, N,...

B

N,...

 

 

N, N, N, B, B, B, B, B, N, B, B, B, B, N, N, N,

N, N, N, B, N, N, N, N,

B

....

....

 

Table 6-: example for the effect of the CID function

Annotation:

The internal reference number is deleted in the following conditions:

 

after a cold start

 

after a warm start

 

after entering the command line CID <SP> 1 <CR>

 

This causes that the next transponder code is output definitely.

Caution:

The filter function CID picks up the results of the complete reading

 

cycles, while the parameter NID proceeds from the results of single

 

readings! The filter function CID has effect on the serial interface

 

only.

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6.6ECEcho

The command EC changes of the echo function setting.

Input format:

EC <SP> parameter <CR>

Parameter:

 

 

 

 

 

 

 

 

 

 

 

 

v

 

Function

 

 

 

0

 

echo on

 

 

 

1

 

echo off

 

Output (example):

0 <CR>

 

 

Note:

The default value of the parameter EC depends on the particular

 

 

reader.

 

 

6.7BDBaudrate

The command BD enables the change of the baud rate. The settings are effective after a warm start using the RST command.

Input format: BD <SP> parameter <CR>

Parameter:

 

Parame-

Function

 

ter

 

 

 

 

 

 

 

0

 

4800 baud

 

1

 

9600 baud

 

2

 

19200 baud

Output (example):

2 <CR>

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6.8TOR – Maximum Reading Time

Timeout for the reader. TOR is used in operation mode 2 as maximum gating time for a reading process . The length of the maximum gating time results from the equation gating_time = TOR * TB.

The time constant TB (Time Base) has always the default value 100ms.

Input format:

TOR <SP> parameter <CR>

Parameter:

 

 

 

 

 

 

 

 

Function

 

0

 

limits the reading process duration to exactly one reading cycle

 

1

 

limits the reading process duration to maximum 1 times TB

 

2

 

limits the reading process duration to maximum 2 times TB

 

...

 

 

 

255

 

limits the reading process duration to maximum 256 times TB

Output (example):

2 <CR>

6.9VSShow Parameter

The command VS lists all current parameter settings.

Input format:

VS <CR>

Output (example):

EC <SP> 0 <CR>

 

BD <SP> 2 <CR>

MD <SP> 2 <CR>

 

6.10 VSAVE – Save Parameter

All operating parameters temporarily stored are saved permanently using VSAVE.

Input format:

VSAVE <CR>

Output:

ok <CR>

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7

Operating Modes of the Reader

 

There are two operational modes defined:

 

Mode 2

The reading process is triggered by an software command coming

 

 

 

from the serial interface.

 

Mode 0

Continuos read.

 

 

 

If there is an read/write transponder used, the serial number of

 

 

.

the transponder is always read.

7.1Mode 2 – Triggered by an Software Command

In operating mode 2, the exciter is always turned off. Triggered by the software command (GT; RD ; WD), the exciter is activated. After successful reading or writing of a transponder number the exciter is turned off automatically.

exciter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

processor

 

 

 

reading cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interface

 

GT

 

 

 

ID

 

 

 

 

 

 

 

 

 

Figure 7.1.1- Software triggered reading operation

If the first reading cycle yields no result (NoRead), the on-time of the exciter is limited by the parameter TOR (time out reader): Reading cycles are continuously started until either a transponder is read successfully or the time span corresponding to the value of the parameter TOR has expired. The reader will not interrupt the last running readout cycle. If no transponder number has been read, a NoRead is output.

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exciter

 

 

 

 

TOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

processor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reading cycle

reading cycle

 

reading cycle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

interface

GT

NoRead

reading process

Figure 7.1.2 : Software triggered reading operation with TOR>0

Please note: The TOR parameter is only active, if the GT-Command is applied. Within the time span defined by the value of TOR no NoRead will be output on the interface!

7.1.1 Settings of the Reader / Most Used Parameters

The default operation mode is changed by sending a software command to the reader.

In combination with an R / W transponder, the serial number of the transponder device is read out only.

MD 2 - triggerd by an software command

most used parameters.

 

CID 0 -

no suppression of repeatedly read Ids

CN 0 -

no suppression of NoReads

NID 1

failure protection.; selection guide 2 out 2 transponder codes

TOR XYZ

maximum reading time after the standard read command

 

 

is applied to the reader. The chosen value must match the

 

 

timing demands of the production process.

 

TOR 5

Default value

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7.1.2 Basic Data Exchange Process

The master has to send an software command to start an read or write process of the reader. After doing all the necessary work at the readers site, the result of the reading or writing process or an failure code is sent back to the master.

If there is used an read/write transponder, only the serial number of the transponder will be read if the basic read command „Get Tag“ („GT <CR>“) is applied.

The data exchange of the whole memory can only be done, if the reader is set to the Mode 2 ( „selective Read (RD) “ and „write (WD)“).

7.1.3ReadOnly-Transponder

Start the reader with the command GT (plus <CR>)

Wait for the answer( max. time to wait is given by the value of TOR Parameter)

Analyse the received answer:10 characters plus <CR>

The reading result may also been judged according the LED’s.

LED L2 lit, if there was a successful read.

LED L3 lit, if there was a No Read.

7.1.4R / W –Transponder

7.1.4.1 Standard Read Process / Serial Number of the Transponder GT

Start the reader with the command GT (plus <CR>)

Wait for the answer( max. time to wait is given by the value of TOR Parameter)

Analyse the received answer: 8 characters plus <CR>

The reading result may also been judged according the LED’s.

LED L2 lit, if there was a successful read.

LED L3 lit, if there was a No Read.

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7.1.4.2 Selective Read RD

Start the reader with the command RD plus Parameters ( plus <CR>). see example below.

- You can read out one block of the transponders memory, if the address of only one

. block is sent to the reader.

– You can read out several blocks, if the first and the last block to read is sent to the reader. So it’s also possible to read out the whole memory of the transponder.

Wait for the answer

Analyse the received answer: 8 characters plus <CR>. Allowed characters 0 to F. The NoRead Code is set to ( „XXXXXXXX“) ..

The result of the reading process may also be seen at the LED’s.

LED L2 lit, if there was a successful read.

LED L3 lit, if there was a No Read.

Example

RD <SP> 20

<CR>

read block 20

 

 

RD <SP> 16

<SP> 33 <CR>

read all blocks from 16 to 33

Allowed Values (block numbers of the transponder IC):

 

ALGO 9 (1kBit Memory)

 

3 .... 33

 

Serial Number

block

32

ALGO 6 (2kBit Memory)

 

16 ... 63

 

Serial Number

block

1

7.1.4.3 Writing Process WD

The memory of the transponder is organised in blocks, containing 32 bits. The data’s of every single block must be changed separately.

Start the reader with the command WD plus Parameters ( plus <CR>). See also example below.

The sent parameter consists of the block address and writing data’s (8 ASCII characters).

Note! There must be a blank between the block address and the writing data’s..

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Wait for the answer

Analyse the received answer: 3 characters plus <CR>.

<ACK> <CR>

Writing process was successful

<NAK> <CR>

Writing process was not successful.

<NOT> <CR>

The response of the transponder was not readable.

The result of the writing process may also seen at the LED’s.

LED L2 lit, if there was a successful write

LED L3 lit, if there was no successful write.

Example

WD <SP> 20 <SP> < 0 1 2 7 A C D F > <CR>

Write to block 20

Allowed Values (block numbers of the transponder IC):

ALGO 9 (1kBit Memory)

3 .... 31

ALGO 6 (2kBit Memory)

16 ... 63

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7.2Operating Mode 0 - Continuous Reading

When operating continuously the exciter is switched on permanently. The reading cycles are initiated periodically.

After an accomplished reading cycle the reading information is evaluated. After that data (either transponder number or NoRead code) is output to the serial interface

exciter

 

 

 

 

 

 

 

 

 

 

 

 

 

processor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reading cycle

 

 

 

reading cycle

 

reading cycle

 

interface

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ID

 

 

 

ID

 

 

 

ID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 7.2: continuous operation

7.2.1 Settings of the Reader / Most Used Parameters

The default operation mode is changed by sending a software command to the reader.

In combination with an R / W transponder, the serial number of the transponder device is read out only.

MD 0 - continuos read

most used parameters.

 

CID 0 -

no suppression of repeatedly read Ids

CN 0 -

no suppression of NoReads

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NID 1

failure protection.; selection guide 2 out 2 transponder codes

The result of the reading process may also seen at the LED’s.

LED L2 lit, if there was a successful read

LED L3 lit, if there was an NoRead

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8 Instructions

8.1General Instructions

To avoid any reduction of the reading distance of the reader, the housing must not be brought next to a metal surface. This could lead to a significant change of the properties of the antenna circuit, which in turn reduces the reading range considerably!

To get reliable readings, the distance between reader and transponder must be within the specified reading volume.

The reading characteristic in front of the reader is not isotropic. It depends also strongly on the orientation between Reader and Transponder. To get the maximum reading distance, the orientation between reader and transponder must be well suited. The best orientation depends on the type of antenna inside of the housing ( ferrite – type or plane coil type) and the applied transponder (disc or glass transponder)

To get a reliable readings or writings, the time of transponder while crossing the sensitive area of the antenna must be co-ordinated to the data transfer characteristics of transponder

In general the time depends on the speed of the transponder, the size of the transponder and the way the transponder is mounted on the vehicle and must be verified by field tests.

Environmental electromagnetic noise may also reduce the read and write range considerably.

Arrangement to eliminate such troubles must be done specific to the application by the help of engineers of the manufacturer.

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8.2Special Instructions for Using a Read / Write System

To transfer the data to the transponder or to control the selective read process, all standard transponder types uses a 100%-pulse-gap-modulation technique.

The modulation of the magnetic field comming from the transponder and the write pattern done by the base station, shows a lot of similarities. Therefore, read write systems may interfere each other.

The minimum distance between two antennas mounted next to each other and the size of the interference must be determined for each application itself.

Below there are listed several parameters that will influence the size of the interaction:

size of the antennas

orientation of the antennas (f.e. parallel or rectangular to each other)

size of transponder; distance between transponder and antenna

the chronological orders for reading or writing.

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9 Hotline

If there are questions or suggestions please be so free an phone:

Fax:

++49 (0)731-933-1855

e-mail:

info@aegid.de

http:\

www.aegid.de

10 Reference Documentation

[1]: Manual: ASB 1.0 (AEG ID standard operating system)

11

Revisions

 

 

 

 

 

 

 

The initial English Edition is based on Revision 1 of the German Manual

 

 

 

 

 

 

 

 

 

 

Edition Nr

 

-

-

 

 

 

 

date

 

19.12.2001

09.09.03

 

 

 

 

Revision

 

00

01

02

 

03

 

Changes:

Rev. 00 Initial Edition.

 

 

 

 

 

Rev. 01 Chapter 8.2 added

 

 

 

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12 Appendix

12.1 Best Orientation for an F-Type -Reader

F-Typ-Reading Coil-

 

 

 

 

 

 

 

Best Orientation

 

 

 

 

 

 

 

8 0

3 0

2 0

1 0

1 0

2 0

3 0

30

Rod

 

 

 

 

 

 

25

Transponder

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 0

 

 

 

 

 

 

 

1 5

 

 

 

 

 

 

 

1 0

 

 

 

 

 

 

 

5

Disc

Transponder

Compact Reader ARE I2 1

Internal Antenna F-Typ

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ARE I2 / RS 232 – Installation Guide

12.2 Best Orientation for an L-Type -Reader

L-Typ-Reader Coil-

 

 

 

 

 

 

 

Best Orientation

 

 

 

 

 

 

 

8 0

3 0

2 0

1 0

1 0

2 0

3 0

30

 

 

 

 

 

 

 

25

Rod Transponder

 

 

 

 

 

 

DiscTransponder

 

 

 

 

 

2

0

 

 

 

 

 

 

 

 

 

 

 

 

1

5

 

 

 

 

 

 

1

0

 

 

 

 

 

 

5

Bauteilname

Compact Reader ARE I2 1

Internal Antenna L-Typ

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12.3Assembling of the SAB Cab

AEG

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