MOS 200 User Manual
Contents
1. RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 24 26 With the reader powered up and no beacon o Current drawn must be between 170mA and 300mA o Signal BF must be at 1 o Signal Pres125KHz must be at 1 The beacon is placed before the reader o Signal Pres6 78KHz becomes active 1 Move the beacon past the reader simulating the train movement o Signals S1 and S2 must behave as follows xi Pe yc S1 S2 a cant By connecting the serial link CDE TEST to a PC using an RS422 RS232 converter see connection diagram below the COM MOS program can be used to read the beacon identifier Converter RS422 232 READER CdeTest_RS422_TX CdeTest_RS422_TX CdeTest_RS422_RX CdeTest RS422 RX Signal DATA TX can be checked with an oscilloscope signal is present and data rate is 62 5 kbits s bit duration of 16ps 11 2 Verifying the operation of an installed reader If the connector can be removed the use of a long test cable will allow the tests described in the preceding section to be performed Similarly if individual access to certain wires is possible between the reader and the controller signals can be checked If the connector cannot be removed or if wires cannot be accessed individually then it is the user s responsibility to implement the necessary test functions in the controller BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 62. Separator 2 bits FMO 32yus Start of message preamble of 72bits at 1 encoded FMO 1152us Separator 2 bits FMO 32yus message as frame of 144bits FMO 2304us ete Incomplete frame due to beacon exiting the communication zone Indication of BF state after encountering beacon Due to beacon start up time the first frame received by the reader will be incomplete i e the first bits received will be somewhere in the middle of the frame BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 16 26 As long as the beacon remains within the communication zone the reader receives data from the beacon and transmits this continuously to the controller If the reader comes to rest above the beacon the controller will receive frames continuously until the reader moves past the beacon and leaves the communication zone The beacon transmits continuously At the end of a frame it immediately begins retransmitting the same frame from the beginning again A complete frame consists of 512 bits 8192us e 72 bits FMO at 1 1152us e 4 separators consisting of 2 bits each 4x 32us 128us e 3identifiers 144bits FMO 3x2304us 6912us e Total time 8192us These frames repeat endlessly and are all i
3. MOS 200 USER MANUAL Ref MU MOS 200 1 4 EN BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A a Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 1 26 TABLE OF CONTENTS 1 ORE W ORD cce MH 3 1 1 AIM OF THIS MANUALE 3 1 2 EE 3 1 3 D ST e VE 3 2 GENERAL INFORMA TION T 4 2 1 DESCRIPTION OF BRS LOCALISATION SYSTEM ccssccesssscecsessececseseeceeaeeecseaaeeceseeecscaeeesesaeeecseseeeeesaeeecseaeeesseeaees 4 2 2 SYSTEM OPERATION EE 5 2 3 SIMPLIFIED DESCRIPTION Eege EE A E E E ug 5 3 SAFETY RECOMMANDATIONS iiisvcccsescnssstessssatvscesdannccsecsssstevessensbessecesecoucceesansccsbesssdesvesssetecesccessacesoeecastccsoessess 6 3 1 ee E 6 3 2 ELECTRICA H 4 MECHANICAL SPECIFICATION RE 8 4 1 DIMENSI NS C 8 4 2 INSTALLATION DIAGRAMS 5 eis dite E deu NOR cca ie lads ounces n Eine qe no me a pu y deeds o Copie Dco Si iii 8 4 3 POSITIONING CONSTRAINTS FOR READER eese eene ener enne sn nenne rennen intern enne nn sse n tenes en nennen nnne n nnns 10 4 4 ENVIRONMENTAL CONSTRAINTS FOR READER usseeenerereeeeeeneneeeeenneeeeenneeeeneneeeenneeennnneeeense
4. bit 1 2 signal present on receiver B bit 2 reserved bit 3 125KHz transmitter error OFh 00 00 NAK Important notes The diagnostic command F2 briefly turns off the 125 KHz transmitter and briefly turns on a 6 78 MHz transmitter which consequently prevents detection of any beacon that is present The F8 command allows monitoring of all important functions without affecting reader BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 20 26 9 2 3 Messages sent automatically by the reader The following message is automatically sent at reader start up No reply should be sent by the controller STX Fn Di D2 CS e STX Start character 1 byte value 02H e Fn Function code 1 byte The different values that this byte can take on are shown in the table below e CS Checksum 1 byte value exclusive OR of preceding bytes The CS is the last byte Request Fn D1 D2 Description hexa R2 21h 00 DEF Diagnostic auto test DEF active 1 e bitO transmitter error e bit 1 receiver error e bit 2 processor error e all other bits 0 This message is automatically sent when the reader is powered up after performing the diagnosti
5. 200 1 4 EN p 19 26 9 2 2 Format of replies status messages The format of the replies sent by the reader to the controller is shown below If the reader receives a request Fn then it responds with the message Fn DATA DATA STX Fn D1 D2 CS e STX Start character 1 byte value 02H e Fn Function code 1 byte The different values that this byte can take on are shown in the table below e DATA Supplied by reader as in table below e CS Checksum 1 byte value exclusive OR of preceding bytes The CS is the last byte Request Fn D1 D2 Description hexa F1 20h Not used F2 21h 00 DEF Diagnostic auto test DEF active 1 e bitO transmitter error e bit 1 receiver error e bit 2 processor error e all other bits 0 F3 22h Not used F4 23h 00 00 F5 24h 00 00 F6 25h V1 V2 Firmware version e Vi major index e V2 minor index F7 26h Not used F8 28h BF1 BF2 Good operation status bits BF1 active 1 bit O 2 continuity error for receiving antenna A B 1 bit 1 2 continuity error for receiving antenna A bit 2 2 continuity error for receiving antenna A B 2 bit 3 2 continuity error for receiving antenna B bit 4 symmetry fault between antenna A and antenna B bit 5 reduced power for 125kHz transmitter due to current bit 6 reduced power for 125kHz transmitter due to voltage BF2 active 1 bit 0 signal present on receiver A
6. ER 23 10 3 CABLE TYPE pea aa a i ani Eed cages a a ae EES a E aae a ee AEREE 23 11 VERIFYING READER OPERATION sccsscsscsssssssscssscscssscsscscsesssccssssscsacensescsoncscescsosescesssenesasencssccssesesenseasens 24 11 1 TESTING IN WORKSHOP 24 11 2 VERIFYING THE OPERATION OF AN INSTALLED READER usines csneessnsecneessee ess eses eee 25 12 MAINTENANCE iiss M M 26 12 1 REGULAR MAINTENANCE in ni sieeve Suet ule tate aote e Sarees fe v ah ge 26 12 2 REPLACEMENT 5 5 eibi elis pede nee epe Pl evi pei Ed 26 12 3 IREGY eMh tarc I A PE 26 BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 2 26 1 FOREWORD 1 1 Aim of this manual This manual explains how to install and use the MOS200 reader Performance and other characteristics are shown in the relevant data sheet 1 2 Versions Version Index Date Modifications 1 4 14 07 2010 First English edition translated from 1 4 FR 1 3 Disclaimer BALOGH reserves the right to make changes to this manual without further notice BALOGH does not assume any liability arising out of errors oversight or misunderstanding of any information contai
7. OV reference is available on several pins of the connector pins F H K S T and U see 10 1 Although this interface is always available it is recommended not to send commands to the reader if a beacon is present The data rate is fixed at 19200bps 9 1 Character format 1 character 10 bits 1 start bit 8 data bits 1 stop bit For the data byte least significant bit is sent first Start Data 1 byte Stop 9 2 Messages sent to and received from reader 9 2 1 Format of commands status requests The format of the messages sent by the controller to the reader is as follows STX Fn CS e STX Start character 1 byte value 02H e Fn Function code 1 byte The different values that this byte can take on are shown in the table below e CS Checksum 1 byte value exclusive OR of preceding bytes The CS is the third and last byte in message Name Fn Description hexa F1 20h Not used F2 21h Diagnostic auto test request F3 22h Not used F4 23h Stop 125KHz transmitter F5 24h Start 125KHz transmitter F6 25h Read firmware version F7 26h Not used F8 28h Good operation request BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS
8. has no current display A 2 channel oscilloscope If not available either two voltmeters or a circuit with LEDS for visualising the digital outputs can be used An OMS 201 reference beacon centrally mounted on a metallic plate of dimensions 260mm x 180mm A metallic plate of dimensions 385mm x 296mm on which the reader under test is to be fixed 11 1 2 Tests to be performed The MOS 200 reader is connected to the 110VDC power supply When powered up the outputs are as follows b 4 i Activation 125 KHz BF Undetermined iN EM Test BF ok Data Tx gt I Sms Undetermined k 1500ms y Stable output guaranteed after 1s o A 100ms pulse is generated on the 3 digital outputs BF Pres6 78MHZ and Pres125 kHz o Automatic emission of a test pattern that appears on the Data Tx output This test pattern is in fact a 62 5 KHz square wave of duration 1 ms sent by the microcontroller to the 6 78 MHz transmitter which is then detected by the 6 78 MHz receiver and sent to this output During this time the 125 KHz transmitter is turned off so as not to receive and data from a beacon that may be present o Emission of a status message on the output cde test see 89 2 3 BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000
9. is fixed The output Pres6 78MHz is digital binary 0 OV inactive 1 24Vdc 19V 40mA max BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 17 26 8 3 Output BF The output BF S5 indicates correct operation of the reader Good operation it comprises the results of tests on the different reader parts localisation reception and emission This signal also incorporates the results of the following tests e antenna continuity e 125 KHz transmitter operation Pres125KHz This signal is at 1 when the reader is operating correctly at 0 otherwise The output BF is digital binary 0 OV inactive 1 24Vdc 19V 40mA max Note the Data TX signal also carries this Good operation information see previous chapter 8 4 Summary of reader states mensa ee E Pres6 78MHz E E BF BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 18 26 9 SERVICE PORT Cde Test This is a standard half duplex serial link on a RS422 differential pair A
10. web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 26 26
11. 4 2 Installation diagrams 4 2 1 Perspective BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 8 26 4 2 2 Bottom view 600mm approx depending on cable type 470mm 385mm 37 5mm 155mm 155mm D Di E MSS or ET aaa aE T 29mm 126mm 184mm i 163 5mm 221 5mm 4 2 3 Side view 385mm 37 5mm 155mm 155mm E uw en c E vo c ddl 171 Elle m oo No Z x ud 600mm approx depending on cable type 4 2 4 End view 256mm 68mm BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 p 9 26 R f MU MOS 200 1 4 EN 4 3 Positioning constraints for reader e The reader must be installed longitudinally long side of reader parallel to track e The reference axis for localisation is engraved on the casing and is 29 mm off centre opposite side to connector e By taking this offset into account the reader can be installed with the connector end pointed either to the front or the back of the train e The vertical se
12. 5 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 25 26 12 MAINTENANCE 12 1 Regular maintenance The MOS 200 reader requires no regular operational maintenance The MOS 200 reader should be regularly cleaned to avoid accumulation of dirt on casing The MOS 200 reader should be regularly examined for cracks in casing broken mounting plates missing mounting screws correctly tightened mounting screws connector properly locked in place The MOS 200 reader operation should be checked regularly according to procedure in the previous chapter 12 2 Replacement To replace a MOS 200 reader proceed as follows e turn the knurled ring of connector 1 3 turn anti clockwise to disengage plug from socket e remove the 6 mounting screws and lift out the reader remembering the localisation axis e Put the new MOS 200 reader in the same position replace 6 mounting screws and tighten to recommended torque e Plug in connector and turn knurled ring 1 3 turn clockwise until locked Check for correct operation according to above procedure in the previous chapter 12 3 Recycling Decommissioned MOS 200 readers should be returned to BALOGH for recycling in accordance with guideline D3E BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10
13. 86 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 22 26 10 2 Connector to mount on cable The cable side connector is a female plug with part numbers Shell UTO61619SH Pin sockets RC16M23K for wire gauges 0 5mm to 1 5mm AWG16 to AWG20 Backshell and clamp UTOS16JCSL long model for cables 213 5 to 18mm These are typical references See SOURIAU product documentation for exact available references The pin sockets of the plug should be chosen according to the conductor gauges used in the cable The above part number is suitable for gauges from 0 5mm to 1 5mm AWG16 to AWG20 See SOURIAU product documentation for other possible references The backshell for the plug should be chosen according to the outer cable diameter The above part number is suitable for cable diameters from 13 5mm to 18mm See SOURIAU product documentation for other possible references 10 3 Cable type The cable to be used must have the following characteristics e 19 conductors common shield with 360 contact to connector twisted pairs preferred for serial links conductor cross section between 0 5 mm and 1 5 mm outer cable diameter between 13 5mm and 18mm cable linear capacity less than 100pF m maximum length 200m Individual conductors must be connecte
14. A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 4 26 2 2 System operation The reader is powered from the train typically 110VDC The beacon is remotely powered by the reader s 125 KHz unmodulated transmitter Once powered the beacon transmits at 6 78MHz enabling the reader to generate the localisation signal when the two are vertically aligned These signals S1 and S2 are sent to an on board controller The beacon also transmits identification data by modulating the 6 78MHz carrier This identification information is sent on the Data TX interface The other signals shown on the diagram below are used for reader control Remote power 2 3 Simplified description As soon as the beacon receives remote power from the reader it starts transmitting its identifier and continues doing so until leaving the reader s field This identifier is in turn transmitted by the reader on its Data TX interface without interruption until the beacon leaves the reader s field Either S1 or S2 depending on the direction of train travel becomes active on entering the localisation zone and the two signals switch polarities simultaneously when reader and beacon are vertically aligned On leaving the zone S2 or S1 becomes inactive The order S1 then S2 or S2 then S1 depends on the train s direction of travel The reader includes a diagnostic function allowing monitoring of the 125 KHz transmitter and
15. ON FOR INTERFACES 5 1 Isolated power circuits There are three isolated power circuits as shown in the diagram below I I I 110Vdc Supply V I I I I I I I Data TX I gI7 Pres6 78MHz I I Shield for Electronics I cable amp BF l connector I Pres125 i z I OV I 5 2 Power supply Power supply voltage to reader 110VDC as specified in EN50155 Operation is guaranteed for voltages in the range 77VDC to 137 5VDC Power supply current 250mA typical rated not starting at 110VDC 5 3 Digital Outputs Reader s internal power supply produces 24VDC regulated Name Type Voltage min Current max Rated voltage for high state high state S1 amp S2 Digital output 19V 40mA 24V Pres125KHz S3 Digital output 15V 40mA 24V Pres6 78MHz S4 Digital output 19V 40mA 24V BF S5 Digital output 19V 40mA 24V 5 4 Cde Test and Data Tx RS 422 interfaces The interfaces Cde Test et Data Tx are RS422 differential pairs compliant with TIA EIA 422 B The output stage has an impedance of 1200 It may be necessary to adapt the lines at the controller end with a 1200 resistor BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 13 26 6 LOCALI
16. SATION SIGNALS The signals S1 and S2 provide information about localisation and the communication zone These signals allow e beacon detection with an indication of entrance into and exit out of the communication zone e beacon localisation x ie c S1 S2 Direction X X Exit out of Entrance into communication zone communication zone For the direction XX beacon detection is provided by the rising edge of signal S2 from 0 to 1 Beacon localisation information is provided by the simultaneous rising of S1 and the falling of S2 Beacon disappearance information is given by the falling edge of S1 For the direction X X beacon detection is provided by the rising edge of signal S1 from 0 to 1 Beacon localisation information is provided by the simultaneous rising of S2 and the falling of S1 Beacon disappearance information is given by the falling edge of S2 The two signals S1 and S2 are generated by two independent circuits safety requirement The simultaneous switching of S1 and S2 may not happen at exactly the same time This represents the measurement precision and corresponds to a distance of less than 5cm The controller must verify e the coherence of signals S1 and S2 e that the simultaneous switching of S1 and S2 occur at a maximum separation of 5cm It is the responsibility of the controller to process the special cases of the reader at rest just above the beacon and incoherent s
17. c tests 9 2 4 Transmission of beacon identifier Transmission of the beacon identifier is possible using this service port This transmission is not guaranteed The frame data to be encoded into the beacon can be defined according to customer requirements BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 21 26 10 CONNECTORS The connectors used belong to the UTO series from SOURIAU size 16 19 pins protection index IP67 with shielding capability compatible with EMI requirements The connectors are circular with a bayonet locking ring 10 1 Connector on reader The connector on the reader is a 19 pin male socket on a square base wall mounting Part numbers e Shell UTO01619PH e Pins RM20M12bE8K The male contacts have a diameter of 1 6mm Assignment 110VDC OVDC CdeTest RS422 RX External front view of socket rear view of plug on cable side Data_TX_422 Data TX 4224 OV S2 OV Sl OV Pres125KHz Pres6 78MHz BF Good Operation CdeTest RS422 TX CdeTest_RS422 RX OV OV OV lt a a xwzzcovm mommcouw zi CdeTest RS422 TX BALOGH SA 189 rue d Aubervilliers C P 97 758
18. chanical and electrical 10 2 Connector for na BALOGH SA requirements non compliant with standards and cable expected requirements The cable must comply with BALOGH SA Compatibility mechanical and electrical 10 3 Type of cable na requirements non compliant with standards and to use expected requirements Connections must be carried out and System operation in non optimal 10 Connections na checked by the user according to BALOGH SA instructions conditions protection loss or absence for inputs outputs against external damage Fastening of sub systems must be carried out and checked by the user according to A reduced reader beacon communication range could cause loss of localisation 84 1 Mechanical specifications 4 2 84 1 Mechanical specifications 4 2 BALOGH SA instructions precision Data transmission to controller Installation Installation at the wrong moment drawings drawings Positioning of sub systems in axes X Y amp Z A reduced reader beacon communication 84 3 Positioning 84 3 Positioning must be carried out and checked by the user range could cause loss of localisation constraints for constraints for according to BALOGH SA instructions precision Data transmission to controller reader beacon at the wrong moment Instructions for operation provided by A reduced reader beacon communication 84 3 Positioning 84 3 Positioning BALOGH SA guaranteeing radio range could cause loss of local
19. d to contacts using a crimping tool The shield must be correctly connected to the backshell the clamp must make 360 contact with the shield S ee SOURIAU documentation for the correct procedure BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 23 26 11 VERIFYING READER OPERATION Reader verification can be done in two cases In the workshop for example on delivery or before installation In this case measurements can be made using several different apparatus a test cable can be used to connect to the reader in order to monitor the signals and a PC can be used to emulate the on board controller Reader installed under train for regular checks The MOS 200 reader is entirely immersed in resin It can neither be disassembled nor repaired Any permanent fault or defect found during the verification process will require the reader to be replaced The technical procedures described in this chapter need to be carried out by personnel adequately trained in electronics measurements 11 1 Testing in workshop 11 1 1 Apparatus required A test cable with 19 pin female plug and individual access to all 19 wires Power supply 110V 1A An ammeter measuring the current drawn from the power supply if the power supply
20. data reception The on board controller can also communicate with the reader using setup and control commands BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 5 26 3 SAFETY RECOMMANDATIONS The safety studies performed on the BRS system consisting of an on board reader MOS200 and a ground beacon OMS201 whose main function is to provide the on board controller with data allowing localisation of the train are compliant with the safety requirements SIL 4 The safety manual refers to requirements whose application is the user s responsibility These requirements are explicitly mentioned in each relevant paragraph below All the recommendations are summarised in the table below showing the correspondence between the safety manual and the user manual 3 1 Mechanical References in documents Requirements for user Reason MU MOS 200 EN MU OMS 201 EN reader MOS 200 beacon OMS 201 The metallic environment of the sub systems A reduced reader beacon communication 4 4 Environmental 4 4 Environmental must comply with BALOGH SA range could cause loss of localisation constraints for constraints for requirements precision reader beacon The cable side connector must comply with Compatibility me
21. dentical The number of frames transmitted depends on the time the reader and beacon remain within the communication zone Example of RS422 levels for signal Data Tx Beacon absent Beacon present BF valid z1 BF non valid 0 BF valid 1 FMO frame with FMO frame with BF valid 17 BF valid 0 5V Data Tx OV 5V Data Tx ov ee 8 READER STATUS SIGNAL 8 1 Output Pres125KHz The output Pres125KHz S3 indicates correct operation of the reader s 125 KHz transmitter Pres125KHz is at 1 for correct operation at 0 otherwise The principle of operation is as follows a small antenna connected to a 125 KHz receiver detects a small part of the transmitted power and generates a binary signal which is sent via the reader s control section to the digital output Pres125KHz The output Pres125KHz is digital binary 0 OV 1 24Vdc 15V 40mA max 8 2 Output Pres6 78MHz The output Pres6 78MHZz S4 indicates that the reader s 6 78 KHz receiver has detected a signal This means that a beacon is close and will soon start to transmit its identifier data This signal is active whether or not correct beacon data is received As soon as the 6 78 MHz is no longer detected this signal is deactivated This means that if two beacons are close together this signal could remain active whereas the identifier data will be coming from the other beacon The detection threshold for the 6 78 MHz receiver
22. eeeeenneneenne 11 5 ELECTRICAL SPECIFICATION FOR INTERFACES ecce esee eese eee ee tn oeste setas estos etas esse seen see se seta aea 13 5 1 ISOLATED POWER e A RCM 13 5 2 POWER SUPPLY gm 13 5 3 IDIGITAL GON 13 5 4 CDE TEST AND DATA TX RS 422 mNTERPACES nes sssereeesseeenseene ee snseeeeenneeessnneeeenseee esse 13 6 LOCALISATION SIGNALS c 14 7 IDENTIFICATION INTERFACE DAT A TKX cecus eres ee eere etta soto tos t tane to sosta a seen seen as sees sens toes tenete seen aea 15 7 1 EXAMPLE FOR NRZ opt 15 7 2 EXAMPLE FOR FMO OUTPUT reii ir EEEE EE AREE EAEE 16 8 READER STATUS SIGNAL 17 8 1 OUTPUT PRESI25SKHZ oraa E E iA i AA ac eins 17 8 2 OUTPUT PRESO 78MH KE 17 8 3 OUTPUT A EE 18 8 4 SUMMARY OF READER STATES 18 9 SERVICE PORT CDE TEST RA 19 9 1 CHARACTER FORMAT tetter ttre tt trte Ette SEEE ESSE ESS SEEE EEEE ESEEE ASSESSES SEEE EEEEEESEEEEESSEE ESSEE EEEE en eee essene 19 9 2 MESSAGES SENT TO AND RECEIVED FROM READER eene enne enne enne nenne tenen nennen nennen enter entere innen 19 10 CONNECTORS 22 10 1 CONNECTOR ON READER berto ee ssec uberes tet na estu aimes E oie ic Ae 22 10 2 CONNECTOR TO MOUNT ON CABLE soroa nrrainn EA EEEE REE rE AK EEP EEE EE AEA AK EE EEEE E
23. ignals S1 and S2 e g S1 without S2 or vice versa The outputs S1 are S2 are digital binary 0 OV and 1 24VDC 19V 40mA max BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 14 26 7 IDENTIFICATION INTERFACE Data TX Data TX carries the identifier received from the beacon The signal sent to the controller is a binary signal encoded either NRZ or FMO depending on the type of reader MOS 200 MOS 200 FMO for Data Tx in FMO coding MOS 200 NRZ for Data Tx in NRZ coding For both types the date transmission rate is 62 5kbits s i e a bit duration of 16us When the reader goes over the beacon Data Tx carries the beacon identifier data unless the signal BF is low 0 in which case no message is sent When the reader is not above the beacon Data Tx is determined by state of the BF signal When BF is high 1 the reader is considered to be working correctly and the RS422 levels are at rest Tx at 1 Tx at 0 When BF is low 0 the reader is considered to be faulty and the RS422 levels are active Tx at 0 Tx at T The RS422 link for the transmission of the Data Tx signal is simplex one way The reader sends either the beacon identifier or
24. inuously until the reader moves past the beacon and leaves the communication zone The beacon transmits continuously At the end of a frame it immediately begins retransmitting the same frame from the beginning again BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 15 26 The number of frames transmitted depends on the time the reader and beacon remain within the communication zone Example of RS422 levels for signal Data Tx Beacon absent Beacon present BF valid Zl BF non valid 0 BF valid 1 NRZ frame with NRZ frame with BF valid Z 1 BF non valid 0 5V Data Tx OV 5V Data Tx ov a 7 2 Example for FMO output Data sequence showing FMO coding Data 1 0 1 1 0 1 0 0 Clock Data coded FMO While passing over a beacon Data TX will typically show the following behaviour Indication of BF state before encountering beacon Start of message preamble of 72bits at 1 encoded FMO 1152us Separator 2 bits FMO 32yus message as frame of 144bits FMO 2304us Separator 2 bits FMO 32us message as frame of 144bits FMO 2304us Separator 2 bits FMO 32yus message as frame of 144bits FMO 2304us
25. isation constraint for reader constraint for reader communication must be carried out by the precision distance H distance H user Note na not applicable BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A a Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 6 26 3 2 Electrical References in documents Requirements for user Reason MU MOS 200 EN MU MOS 200 EN reader MOS 200 reader MOS 200 110VDC power provided by train must Non safety recommendation No system 2 2 System na comply with requirements specified by operation operation Power BALOGH SA supply User must take necessary precautions in A wrong ground beacon identifier will be na 5 Encoding of order to avoid incorrect encoding of ground transmitted as is to the on board beacon identifier beacon controller At the controller the user must provide a The BRS system performs no checking 7 na means of extracting the beacon identifier of data transmission integrity signals IDENTIFICATION from a continuous data stream transmitted RS422 Data Tx amp RS422 Data Tx INTERFACE from the BRS system through the Data TX Data TX interface and a means of checking data transmission integrity for this identifier Atthe controller the user must p
26. ned in this manual BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 3 26 2 GENERAL INFORMATION 2 1 Description of BRS localisation system The Beacon Localisation system consists of anon board reader mounted under the train product code MOS 200 e abeacon secured on the ground product code OMS 201 The reader is composed of a single monolithic unit equipped with a connector 19 pin bayonet lock The beacon is composed of a single monolithic unit It communicates by radio frequency with the reader and has no electrical connection to any ground equipment On passing over the beacon the reader transmits different data via its connector including a localisation signal when the markings of both casings are vertically aligned AXES DE LOCALISATION s LOCALIZATION AXIS De H Se Wi aa Banasa Se WM Se Notes X is the longitudinal track axis direction of train movement Y is transversal track axis Z is vertical axis H is the vertical separation between the top of the beacon and the bottom of the reader BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S
27. paration H between the bottom of the reader and the top of the beacon must be between 60mm and 200mm e Tolerances on position to be taken into account for installation see note 1 Lateral and angular tolerances are defined for a reader beacon pair The indications in the table below concerning the reader s position on the train and the beacon position on the track are only suggestions Readerto Readerto Beacon to beacon train track Z i Lateral offset t l Eu AY Y AY i i 10mm 2mm 8mm see note 2 T T OX Tilt in vertical 10 4 2o 4 8 lateral plane Tilt in vertical 5 5 OY longitudinal plane enim WEB ARIE Rotation in OZ horizontal plane 5 1 4 top view BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A a Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 10 26 Note 1 e Note 2 e e 4 4 Environmental constraints for reader The position and angular tolerances for each reader beacon pair must be met In order to achieve this end the tolerances for an individual reader or beacon can be relaxed These tolerances are additive a reader beacon pair with all tolerances at their maximum values will operate correctly The maximum lateral offset for correct operation is 50mm Within this interval p
28. roduct performance is guaranteed The maximum lateral offset for functional operation is 80mm At this offset communication and localisation are possible however without guaranteed performance in particular for precision Tolerances shown in the table must be adhered to during installation so that performance is maintained during movement given that small deviations vibrations occur The distance between two readers on the same train must be greater than 5 metres 500 cm The reader must be secured on a metallic plate of dimensions 385mm x 296mm width exceeds casing by at least 20mm on each of the longer sides BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 11 26 MOS 200 There must be a metal free zone around the reader as indicated in the diagram below colour zone without metal Cross section lateral Metallic backplate Cross section longitudinal Metallic backplate BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 12 26 5 ELECTRICAL SPECIFICATI
29. rovide a The BRS system performs no checking 86 LOCALISATION na means of checking coherence for signals 1 of localisation information signals SIGNALS amp S2 by examining their change of state and TOR ei amp TOR 2 a means of determining the localisation i i instant The user must use all the safety data Data Necessary operating conditions providing 6 POSITIONING na TX S1 amp S2 provided by the BRS system in a guaranteed Safety Integrity Level SIL4 SIGNALS Sr order to perform the train localisation for the BRS system IDENTIFICATION function INTERFACE Data TX Note na not applicable BALOGH SA 189 rue d Aubervilliers C P 97 75886 PARIS Cedex 18 France T l 33 0 1 44 65 65 00 Fax 33 0 1 44 65 65 10 web http www balogh rfid com S A a Directoire au Capital de 800 000 RCS B PARIS 582 061 073 R f MU MOS 200 1 4 EN p 7 26 4 MECHANICAL SPECIFICATION 4 1 Dimensions Dimensions of bare casing e Length 385mm e Width 256mm e Height 68mm e The length is augmented by the connector and the incoming cable e Reader must be secured on metallic plate whose width exceeds casing by at least 20mm Overall dimensions e Length including connector 470mm approx e Overall length 600mm approx depending on cable type e Overall width including metallic plate 296mm minimum The reader is fastened using 6 screws 6mm Recommended tightening torque is 5Nm
30. the BF information no reply or command sent by the controller reaches the reader The reader does not format the data received from the beacon no start or stop or other bits are added If such formatting is required it must be included in the encoded beacon data Note If the reader is not powered both RS422 levels for Data Tx are at OV 7 4 Example for NRZ output While passing over a beacon Data TX will typically show the following behaviour Indication of BF state before encountering beacon Start of message preamble of 72bits NRZ at 1 Separator 2 bits NRZ at 1 message as frame of 144bits NRZ Separator 2 bits NRZ at 1 message as frame of 144bits NRZ Separator 2 bits NRZ at 1 message as frame of 144bits NRZ Separator 2 bits NRZ at 1 Start of message preamble of 72bits NRZ at 1 Separator 2 bits NRZ at 1 message as frame of 144bits NRZ Etc Incomplete frame due to beacon exiting the communication zone Indication of BF state after encountering beacon Due to beacon start up time the first frame received by the reader will be incomplete i e the first bits received will be somewhere in the middle of the frame As long as the beacon remains within the communication zone the reader receives data from the beacon and transmits this continuously to the controller If the reader comes to rest above the beacon the controller will receive frames cont
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