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System Guide

TransCore Proprietary

6–12

with the same sequence number. If the host detects an incorrect CRC value in an
asynchronous reader transmission, it transmits a NAK message.

Transmission Timeout

If the MPRX does not respond to a host command within a specified interval, the host
software retransmits the command with the same sequence number.

Receive Timeout

If the host receives a

<

som

>

but does not receive a matching

<

eom

>

within a specified

timeout interval, it discards the incomplete message and resets its receiver.

Asynchronous Message/Command Message Collision

If the host receives an asynchronous reader transmission at the same time it transmits a
command, it ignores the asynchronous message and waits for the MPRX’s response. The
MPRX retransmits asynchronous data after it transmits the command message.

ECP Reliability

An undetected error is defined as a message having incorrect data or status but no parity
or CRC errors. An error transaction is defined as a message having either a parity or CRC
error. Laboratory testing indicates an undetected error rate of less than one undetected
error per 1,000,000 error transactions with parity enabled.
To ensure this error rate is not exceeded, the host must enable parity and adhere closely
to the timing specifications discussed previously in

“Timing and Synchronization” on page

.

CRC Calculation

The CRC used by the ECP is based on a 16-bit algorithm. The algorithm, as implemented,
operates on eight-bit characters, for example, a seven-bit ASCII character plus one optional
parity bit. The 16-bit result is converted to four ASCII hex characters and is appended to
messages transmitted by the MPRX.
The MPRX accepts four ASCII < ` > characters (60 hex) as a wild card CRC value in lieu of a
valid four-character CRC value to facilitate testing and diagnostic checkout.
The MPRX implements the algorithm with a 512-byte lookup table to reduce the processing
overhead requirements.
To simplify the implementation of the CRC algorithm by host software developers, several
examples of the calculation are provided in C source code on the following pages. The
calculation may be performed with or without a lookup table, depending on the trade-off
between code memory and processing overhead.
Example 1 presents an example of a function (CALCCRC) that calculates the CRC value
through a call to a separate function (UPDCRC).

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Содержание MPRX

Страница 1: ...rican Railroads AAR formatted tags and TransCore Super eGo SeGo protocol tags Before you begin installing the MPRX TransCore recommends that you familiarize yourself with this manual Intended Audience...

Страница 2: ...rademarks and are used under license All other trademarks are the property of theirrespective owners Contents are subject to change Printed in theU S A For further information contact TransCore 8600 J...

Страница 3: ...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...

Страница 4: ...en accord avec la partie 15 des directives de la FCC Ces normes visent assurer une protection raisonnable contre les interf rences nuisibles lorsque l appareil est utilis dans un environnement commer...

Страница 5: ...tion of the device AVERTISSEMENT AUX UTILISATEURS AU CANADA INDUSTRIE CANADA IC INDUSTRIE CANADA RADIO STANDARD SPECIFICATIONS CNR 137 EMPLACEMENT ET SERVICE DE SURVEILLANCE DANS LA BANDE 902 928 MHZ...

Страница 6: ...in that this equipment is certified for use in a final installation the minimum safe distance was calculated to be 8in 20cm FCC Federal Communication Commission FCC an agency of The United States of A...

Страница 7: ...ed Environment Power density 0 6455 frequency in MHz 0 5 W m2 with a Reference Period time of 6 Min General Public Uncontrolled Environment Power density 0 02619 frequency in MHz 0 6834 W m2 with a Re...

Страница 8: ...is certified for the recommendation for each of the operation environments is as follows 1 The antenna should be installed at least 42in 106cm from the General Population Public i e Uncontrolled Envir...

Страница 9: ...t 6 minutes En utilisant la fr quence de 915 MHz milieu de la bande de fr quences de cet appareil et le gain d antenne maximal pour lequel cet appareil a re u une certification d utilisation dans une...

Страница 10: ...n En utilisant la fr quence de 915 MHz milieu de la bande de fr quences de cet appareil et le gain d antenne maximal pour lequel cet appareil a re u une certification d utilisation dans une installati...

Страница 11: ...cation les recommandations pour chaque environnement d exploitation sont les suivantes 1 L antenne devrait tre install e au moins 106 cm 42 po de la population g n rale du grand public c est dire d un...

Страница 12: ...s 2 9 Chapter 3 Choosing Installing Removing Tags 3 2 Compatible Tag Types 3 2 Recommended Mounting Locations 3 2 Locomotive Mounting Guidelines 3 6 Rail Car Mounting Guidelines 3 8 Tank Car Mounting...

Страница 13: ...ulation 6 12 Manually Disabling ECP for Maintenance 6 15 Chapter 7 Commands 7 2 Introduction 7 2 Operating Modes 7 2 Command List 7 4 Chapter 8 Configuring the MPRX 8 2 Configuring the Reader 8 2 Conf...

Страница 14: ...fications B 2 Reader Specifications B 2 Appendix C Wiring Information C 2 Appendix D Command Quick Reference D 2 Command Syntax D 2 Factory Default Settings D 2 Numerical Command List D 3 Alphabetical...

Страница 15: ...ent for Locomotives 3 8 Figure 3 16 Tag Placement Window Location for Rail Cars A Right Side 3 9 Figure 3 17 Tag Placement Window Location for Rail Cars B LeftSide 3 9 Figure 3 18 Optimal Tag Placemen...

Страница 16: ...RU 10 3 Figure 10 3 MPRX TRU Communications Interface Cable 10 4 Figure 11 1 Place Nut and Grommet Over Exposed Check Tag Wires 11 3 Figure 11 2 Feed Check Tag Wires through Plastic HousingConnector 1...

Страница 17: ...Designations 4 8 Table 4 3 Commands for Testing RF Port 0 4 14 Table 4 4 Commands for Testing RF PORT 1 4 16 Table 4 5 Commands for Testing RF PORT 2 4 16 Table 4 6 Commands for Testing RF PORT 3 4 16...

Страница 18: ...to TRU Interface Cable Pin and Signal Designations 10 4 Table 11 1 Check Tag Kit Parts List 11 2 Table 11 2 Check Tag 0 Wire Assignments 11 4 Table 11 3 Check Tag 1 Wire Assignments 11 4 Table C 1 Co...

Страница 19: ...Chapter 1 Introduction...

Страница 20: ...col Reader Extreme Lists the materials needed and provides procedures to install the MPRX including pre installation testing installing the MPRX in a railside hut or NEMA enclosure connecting power an...

Страница 21: ...sed in this manual Table 1 2 Typographical Conventions Convention Indication Caution Concerns about a procedure Code Code including keywords and variables within text and as separate paragraphs and us...

Страница 22: ...ntinuous wave AAR formatted operation frequency band is 902 25 to 903 75 MHz and 910 00 to 921 50 MHz The user is responsible for filing the FCC license according to FCC regulations but the TransCore...

Страница 23: ...MPRX TransCore Proprietary 1 5...

Страница 24: ...Chapter 2 Developing the Site Plan...

Страница 25: ...ted using readercommands The MPRX can multiplex up to four antennas which allows a single reader to be used for two tracks The MPRX can support up to two AT5720 Check Tags Reader The MPRX consists of...

Страница 26: ...e following system configuration parameters Number and general location of primarycomponents Number of different radio frequenciesrequired Gathering relevant site information is crucial before applyin...

Страница 27: ...e direction both horizontal The installed tag must be in a direct unobstructed line of sight to theantenna Caution A tag may not be reliably read unless the preceding criteria are met Polarization The...

Страница 28: ...a s and the railcar s tag so that when the railcar approaches the antenna s the tag is directly facing the antenna and the line of sight is clear between the antenna and the tag If there is a physical...

Страница 29: ...2 to 928 MHz operation Exposure to harsh environments Broad radiation pattern in one dimension narrow in the other Low antenna profile Horizontal polarization AA3140 PCB Log Periodic Appropriate for i...

Страница 30: ...alignment If the antenna becomes misaligned or some nearby structure is added or removed system operation can be seriously affected For instructions on setting the read zone refer to Fine Tuning and...

Страница 31: ...fraction and Diffraction of RF Signals RF signals can be reflected refracted or diffracted by metal objects walls and even wet pavement or ice Any of these factors can alter or degrade system performa...

Страница 32: ...tions or power lines can interfere with the optimal operation of the system Interference may degrade both reader and tag performance Existing sources of interference at the site should be shielded rem...

Страница 33: ...allation and safety requirements It is the installer s responsibility to supply conversion equipment and wiring Table 2 4 contains power supply current requirements Table 2 4 Power Supply Current Requ...

Страница 34: ...standard RS 232 RS 422 Ethernet connection maximum distance depends on the baud rate cable type and the receiving device at the other end Pin Number Operation 1 RS232_TX 2 RS232_RX 3 LOCK Mechanical...

Страница 35: ...8 Pin Assignments for Sense Connector The MPRX s two RF sense input circuits are TTL Logic Level 0V 5V designed to be shorted to I O Ground 0V to provide sense Pin Number Operation 1 12VDC 2 OUT1 3 I...

Страница 36: ...a summary of coaxial cable performance Figures indicatemaximum lengths of cable in feet Note 1 1dB of cable loss is required for proper FCC operation Table 2 5 Reader to Antenna CablePerformance Cabl...

Страница 37: ...Choosing Installing and Removing Tags Chapter 3...

Страница 38: ...del Interoperability Table 3 1 lists the tags that are read by the MPRX Refer to www transcore com pdf Tag Reader Matrix pdf for most current information concerning readers and supported tag protocols...

Страница 39: ...ing in the tag placement window is based on the center of the tag in reference to window physical parameters The tag placement window is on opposite ends and opposite sides of the equipment The front...

Страница 40: ...pment Figure 3 9 Clear Zone Side View Figure 3 10 illustrates that there should be no obstructions in the area extending 60 from the center line of the tag to 1 inch outside either long side of the ta...

Страница 41: ...d when required for compatibility with the car surface When painting the backing plates protect the studs from paint Two approved methods for mounting tags and backing plates on locomotives and railca...

Страница 42: ...ides of the equipment Install one on the right front engineer s side and another on the leftrear fireman sside Tag Placement Window Location Horizontally the tag placement window extends from the cent...

Страница 43: ...ndow on the left rear portion brakeman s side of the locomotive Figure 3 14 Tag Placement Window Location for Locomotives LeftRear Tag Placement Optimal tag placement centers the tag on the left bound...

Страница 44: ...t A end and another on the left rear B end Tag Placement Window Location Horizontally the tag placement window extends from the center line of the truck to two feet from the center line of the inside...

Страница 45: ...on the right front portion A end of the rail car Figure 3 16 Tag Placement Window Location for Rail Cars A Right Side Figure 3 17 illustrates the tag placement window on the left rear portion B end of...

Страница 46: ...idelines Tank car mounting is essentially the same as that for rail cars except that the tag placement window area has been expanded 18 inches to the right of the center ofthe truck Tag Placement Wind...

Страница 47: ...ion for Tank Cars B Left Side Tag Placement Optimal tag placement positions the tag on the center line of the truck on the body bolster Figure 3 20 Alternately the tag may be mounted so that the cente...

Страница 48: ...Installing the MPRX Chapter 4...

Страница 49: ...e test and install the MPRX TransCore supplies some of the materials other materials must be obtained from other sources Contents of Shipping Carton Ensure that you have received all parts before begi...

Страница 50: ...ce coaxial cable Pre installation Testing of the MPRX Before installing the MPRX permanently at the site you should use an audiblecircuit tester to confirm that the MPRX has power and can read a tag t...

Страница 51: ...nnected to an antenna Required Equipment This procedure requires the following equipment MPRX External antenna Grounding RF cable long enough to reach Earth Ground source N type load e g 50 or RF atte...

Страница 52: ...cable to the antenna refer to Item 1 in Figure 4 3 Figure 4 3 Short Load to Earth Ground 3 Short the outer metal case of the load or attenuator to Earth Ground for approximately 10 seconds refer to I...

Страница 53: ...the connector TransCore strongly advises that you use adequate Earth Ground for this voltage discharge procedure in accordance with the National Electric Code for the locale where you are installing...

Страница 54: ...ct any antenna s or terminate the antenna ports before applyingpower to the reader To connect the MPRX to a power supply 1 Connect the MPRX to Earth Ground Figure 4 5 shows the location of the MPRX gr...

Страница 55: ...RX to Host Communications Cable Pin Designations Host Cable Pair Color Pin Number Name Pair 1 White 9 SIG_GND Black 1 RS232 TX Pair 2 White 10 SIG_GND Brown 2 RS232 RX Pair 3 White 12 V Return Red 11...

Страница 56: ...to Chapter 10 Interface to Train Recording Unit on page 10 1 for wiring assignments Mounting the MPRX This section lists procedures and materials required for mounting the MPRX on a wall or other fla...

Страница 57: ...terials to install the MPRX on an enclosure wall or flat surface Ensure the use of high quality corrosion resistant anchorhardware Anchor hardware suitable for the surface on which you mount the MPRX...

Страница 58: ...r mounting the MPRX connect the reader to a dedicated 12 to 24VDC or 24 to 110VDC power supply If the MPRX is connected directly to a TRU all power supply connections are made through the MPRX to TRU...

Страница 59: ...le SENSE0 is used to enable RF on antenna ports 0 and 1 if enabled and SENSE1 is used to enable RF on antenna ports 2 and 3 The sense input circuits are used to notify the MPRX of train presence and a...

Страница 60: ...d balloon if you were able to see it When installing the MPRX you should first mark the unit s read zone using the RF range set at the factory default maximum You can later adjust the read zone using...

Страница 61: ...ut power are the same for all antennas Table 4 3 Commands for Testing RF Port 0 Entry Reader Response Notes 01 CR Done CR LF Switches MPRX to command mode 647XXX Done CR LF Sets operating frequency 83...

Страница 62: ...le track installation walk the tag toward the adjacent track in a straight line from the antenna face refer to Figure 4 8 to determine whether the MPRX reads tags from the adjacent track Record that d...

Страница 63: ...a mode Table 4 5 Commands for Testing RF PORT 2 Entry Reader Response Notes 01 CR Done CR LF Switches MPRX to command mode 892 Done CR LF Test mode RF PORT 2 only 6401 Done CR LF Turns on RF 00 CR Don...

Страница 64: ...MPRX TransCore Proprietary 4 17...

Страница 65: ...General Software Information 5...

Страница 66: ...etter indicates you are to supply a value Maximum valid entries are the numbers 0 through 9 and the uppercase letters A through F These letters allow for as many as 16 available user responses and are...

Страница 67: ...rackets The use of brackets indicates that the response is a value in the range of characters The brackets are not part of the response For example the response to command 520 Display Power Fail Bit i...

Страница 68: ...pically takes two seconds Cycling reader power after exiting from download mode re executes startup If the new software has been loaded without errors the MPRX comes up in data mode If a flash checksu...

Страница 69: ...function returns a specific value for the particular version of software If the value returned is not correct the boot code assumes that the application code has been corrupted and a failure conditio...

Страница 70: ...System Guide TransCore Proprietary 5 6...

Страница 71: ...Communication Protocols Chapter 6...

Страница 72: ...eive extraneous noise induced characters between reader transmissions In such instances the host is capable of ignoring any messages that do not conform to the som eom frame sequence Both data mode an...

Страница 73: ...ue that is based on the message data The originator reader or host calculates the CRC value of a message and includes it in the transmitted message The recipient reader or host also calculates a CRC v...

Страница 74: ...re not part of the messagesyntax Reader Transmissions The basic protocol format and the data inquiry protocol format are as follows som data eom The ECP format is as follows som seq data crc eom where...

Страница 75: ...CP Host ACK NAK Response With ECP the host device responds to all data message transmissions from the MPRX using the following acknowledgment or negative acknowledgment response format som seq ack nak...

Страница 76: ...format is as follows som cmd eom The ECP format is as follows som seq cmd crc eom where som Start of message ASCII character seq Sequence number generated by the host device separately from that appea...

Страница 77: ...will retransmit its previous message A command message sequence is not complete until the host updates its sequence number cmd Command code a string that contains from two to four ASCII hex characters...

Страница 78: ...2 crc eom where Start of messagecharacter 4 Message sequence number KING 1302 Message data Tag ID is shown Other sample message data could be as follows IOST C0 O2 I0 D24 display I O status Error06 fr...

Страница 79: ...eom or 7Error eom For some commands the MPRX responds with data that relates to the command such as T0F 0 to indicate the mode enabled for a 570 Display Operating Mode Status command 7Error eom will...

Страница 80: ...ameters the MPRX issues the Done message and switches to the new configuration immediately The host device switches its communications parameters immediately after the transaction is complete As noted...

Страница 81: ...urns its standard Errormessage Transmission Timeout If the MPRX transmits an asynchronous message and the host does not send anACK before the ECP timeout occurs the MPRX retransmits themessage Receive...

Страница 82: ...than one undetected error per 1 000 000 error transactions with parity enabled To ensure this error rate is not exceeded the host must enable parity and adhere closely to the timing specifications dis...

Страница 83: ...ab crc 8 255 crc 8 cp static unsigned short crctab 256 0x0000 0x1021 0x2042 0x3063 0x4048 0x50a5 0x60c6 0x70e7 0x8108 0x9129 0xa14a 0xb16b 0xc18c 0xd1ad 0xe1ce 0xf1ef 0x1231 0x0210 0x3273 0x2252 0x52b...

Страница 84: ...d94c 0xc96d 0xf90e 0xe92f 0x99c8 0x89e9 0xb98a 0xa9ab 0x5844 0x4865 0x7806 0x6827 0x18c0 0x08e1 0x3882 0x28a3 0xcb7d 0xdb5c 0xeb3f 0xfb1e 0x8bf9 0x9bd8 0xabbb 0xbb9a 0x4a75 0x5a54 0x6a37 0x7a16 0x0af1...

Страница 85: ...ut is at the factory default of 12 7 seconds or other value that allows enough time for the commands to be manually entered the following command sequence may be used to break out of an ECP loop This...

Страница 86: ...eom this puts reader into command mode Reader response 1Done crc eom Manually enter 3610 eom this puts reader into basic protocol disabling ECP reader response Done Enter any other desired diagnostic...

Страница 87: ...MPRX TransCore Proprietary 6 17...

Страница 88: ...Chapter 7 Commands...

Страница 89: ...when operating in download mode The application program has control of the MPRX during data mode and command mode operation and holds the application code Together they control the MPRX in the three...

Страница 90: ...ost device attempts to send certain commands under marginal communication conditions For example if the host device transmits the command request to change the baud rate and the MPRX properly receives...

Страница 91: ...p 0 Group 0 commands control reader mode The mode determines whether the readeris transmitting data to or receiving data from a host device or terminal 00 Switch to Data Mode Factory Default Command 0...

Страница 92: ...ponse Done Command 8152 Set Check Tag Address to 0 on Check Tag Pin 1 Reader response Done Command 8153 Set Check Tag Address to 1 on Check Tag Pin 1 Reader response Done Note The MPRX transmits ID co...

Страница 93: ...N Select Stop Bits Command 101N selects the number of stop bits for reader character transmission The factory default setting is 1 stop bit The N variable specifies the number of stop bits as indicate...

Страница 94: ...sets the time Enter the time in the proper format two digit decimal entries with no spaces between characters and using colons as delimiters The entry format is as follows 20HH MM SS or 20HH MM SS hh...

Страница 95: ...01 to 31 YY represents the last two digits of the year 00 to 99 is the date delimiter Reader response Done 22 Display Time and Date Command 22 displays the reader s current time and date One space sep...

Страница 96: ...nacceptable allow the buffer to empty before reissuing append time and date command 30N Append Time and Date commands are shown in Table 7 4 Table 7 4 Append Time and Date Commands The reader transmit...

Страница 97: ...d strength Note If the MPRX mode is enabled 837 and you are using the Train Recording Unit TRU as a host a relative tag strength is appended to the end of the auxiliary data Reader response Done ID Fi...

Страница 98: ...y acquired ID Item 2 Second most recently acquired ID Item 3 Third most recently acquired ID Item 4 Fourth most recently acquired ID When the uniqueness filter is set to separation of one ID the newly...

Страница 99: ...be read multiple times or where an occasional ID might be read from fringe areas 440 Reset Uniqueness Command 440 causes the ID filtering process set by Select Unique ID Code Criteria 410N to restart...

Страница 100: ...and car number will be extracted from these tags translated according to AAR or ATA standards and converted to ASCII Tags that are not programmed in AAR or ATAformat will be converted directly to ASC...

Страница 101: ...s the reader to read factory programmed eATA data from SeGo protocol tags Reader Status Command Group 5 Group 5 commands provide status reports on the parameters and operation of the reader 505 Displa...

Страница 102: ...R0 where P0 No power failure detected P1 Power failuredetected R0 Not applicable to the MPRX 521 Display Reader ID Number Command 521displays the reader ID that is sent in the auxiliary data field Rea...

Страница 103: ...ppended to the reader transmissions Command 31N appends information Reader response IDAP T 0 to 1 D 0 to 1 X 0 to 1 where T0 Time not appended T1 Time appended D0 Date not appended D1 Date appended X0...

Страница 104: ...nt status of the RF module The reader response indicates whether RF is controlled externally by the host set by command 640N RF Control or internally by input set by command 641 not applicable to the...

Страница 105: ...gs maximum RF output range for eGo and eGo Plus tags full RF power and IAG power set at 4 dBattenuation 529 Display Presence Input Status Command 529 displays the parameters associated with presence d...

Страница 106: ...32 ms T7 48 ms T8 60 ms T9 92 ms TA 152 ms TB 300 ms TC 452 ms TD 600 ms TE 752 ms TF RF timeout infinite never expires factory default I0 input inversion disabled factory default I1 input inversion e...

Страница 107: ...Valid ID code criteria of three acquisitions V3 Valid ID code criteria of four acquisitions For example if factory default settings are assigned the reader message is RF0S U0 V0 which means separatio...

Страница 108: ...MPRX xxxx Represents the four byte ASCII representation of the flash memory checksum 543 Display Boot Checksum Command 543 displays the boot ROM checksum Reader response BCKS xxxx where xxxxrepresents...

Страница 109: ...PRX MPRX mode selected 560 Request Sensor Status Change Command 560 displays the sensor status change reporting Not applicable to the MPRX Reader response SSTC E 0 to 1 M 0 to 3 where E0 Input status...

Страница 110: ...6 commands set reader control functions such as reader ID communication protocol output pulse and RF control 60NN Set Reader ID Number Command 60NN sets the reader ID that will be sent in the auxilia...

Страница 111: ...ge and resets itsreceiver Uppercase or lowercase characters are allowed for NN for example hex digitsA through F or a through f The value for NN specifies the timeout interval as follows ms 50 NN for...

Страница 112: ...each character of the command Once the entire command has been received and processed the reader transmits its response Ifechoing is disabled with command 6170 the reader does not echo the command bu...

Страница 113: ...r product label 640N RF Control Command 640N directly controls the RF module The N value controls the RF power as shown in Table 7 9 Note These commands only have an effect when the reader is not in M...

Страница 114: ...increasing NN value The range can be adjusted for 32 discrete values where 00 is the shortest range and 1F is the longest range The default range value is 1F Reader response Done 644NN Set RF Attenuat...

Страница 115: ...wer down If the NVRAM becomes corrupted the correct operating frequency cannot beguaranteed In this circumstance the RF section shuts down and the reader sends an Error06message to the host Until the...

Страница 116: ...d RF Frequency MHz 647000 860 00 6470CF 911 75 6470D0 912 00 6470D1 912 25 6470D2 912 50 6470D3 912 75 6470D4 913 00 6470EA 918 50 6470EB 918 75 6470EC 919 00 6470ED 919 25 6470EE 919 50 6470EF 919 75...

Страница 117: ...tings for a listing of the defaults Reader response Done All parameters loaded OK Error A parameter load failed 690N Select Presence Without Tag Report Option Command 690N enables or disables the pres...

Страница 118: ...ver occurs first Command 6922 turns off RF power either after the timeout period or upon the presence false condition whichever occurs first Reader response Done 693N Select RF Timeout Period Command...

Страница 119: ...losed circuit and a closed circuit input is interpreted as an open circuit This feature allows greater flexibility in the attachment of external equipment to the reader inputs For example some proximi...

Страница 120: ...iddle character of the seven character number shown on the reader product label Note Once assigned the serial number is preserved during power down and the loading of default parameters Reader respons...

Страница 121: ...et in the GSE Mask is used for this comparison As an example to configure a reader to have only tags with data in byte locations 10 12 and 15 decimal with hexadecimal values 00 01 and 02 the following...

Страница 122: ...8113 Switch on RF Port 3 Fire Off Check Tag Address 1 on Check Tag Pin 1 Command 8113 turns on RF Port 3 and sends the command on Ctag pin 1 to fire off Ctag address 1 8142X Set Check Tag Character on...

Страница 123: ...nction is helpful in some sites where there may not be much tag activity and the user wants an automatic way to ensure the communication channel with the reader is still intact With this function enab...

Страница 124: ...der response Done 891 MUX Test Mode RF Port 1 Only Command 891 turns on RF port 1 only for antenna mux testing Reader response Done Note Refer to MUX Test Modes on page 7 39 for test operation 892 MUX...

Страница 125: ...enable antenna multiplexing muxing operational modes issue the following commands 836 837 Disable enable MPRX mode 850 RF port 0 only factory default 851 mux between RF ports 0 and 1 852 mux between...

Страница 126: ...ds 891 RF port 1 only 892 RF port 2 only 893 RF port 3 only To use these test modes MPRX mode must be disabled 836 and muxing must be disabled 850 These command modes are not saved to NVM and will be...

Страница 127: ...Chapter 8 Configuring the MPRX...

Страница 128: ...be the correct operating configuration settings for a specific site Changes to the configuration settings may have to be made depending on the site plan as described in Chapter 2 Developing the Site...

Страница 129: ...RF status report Disabled 830 Configuring Parameters with Terminal Emulation Software To configure the MPRX using a PC and terminal emulation software to manually enter MPRX host commands follow the...

Страница 130: ...nd orif using Windows Hyper Terminal select Programs Accessories Hyperterm and press ENTER The application displays the Connection Description dialog box as shown in Figure 8 1 Figure 8 1 Connection D...

Страница 131: ...application displays the COM1 Properties dialog box as shown in Figure 8 3 Figure 8 3 COM 1 Properties Dialog Box 4 In the pull down lists on the COM1 Properties dialog box choose the following values...

Страница 132: ...ng the Terminal Emulation Software on page 8 3 Note When testing the MPRX using a laptop computer TransCore recommends that you configure laptop communication parameters to match those of the host dev...

Страница 133: ...as not been stored into reader memory Contact TransCore Technical Support at 505 856 8007 If the flash memory checksum is not verifiable the sign on message appears as follows Model E4 BOOT Ver 0 00 A...

Страница 134: ...If using handshaking verify the request to send RTS and clear to send CTS connections 5 Verify the COM port settings for the MPRX following the instructions in Serial Port Communications on page 8 15...

Страница 135: ...mmed with the correct protocol s for the reader Caution To avoid damage to the MPRX you must connect the antenna beforeapplying power to the reader To verify tag read capability 1 Once communications...

Страница 136: ...ead zone If it is the problem is probably in the communications between the MPRX and the host 3 Pass a different reader compatible test tag in front of the MPRX antenna 4 When the MPRX reads the secon...

Страница 137: ...tion Refer to 31N Append Auxiliary Information Selection on page 7 10 for more information To set appended tag data parameters 1 Ensure that the host device is in command mode 2 Enter command 311 to a...

Страница 138: ...P1 indicates presence without tag reports enabled 3 Enter command 6901 to enable presence without tag reports or enter command 6900 to disable presence without tag reports factory default Press ENTER...

Страница 139: ...ed in section 647XXX Select RF Operating Frequency on page 7 28 Note For backward compatibility to existing controllers you can set the RF operating frequency in 500 kHz steps using command 642NN To s...

Страница 140: ...e is in command mode Enter command 641 Press ENTER Leave the setting on RF by input control for normal operation Host Controlling RF Transmission In Figure 8 9 Option B shows the host controlling the...

Страница 141: ...controlling an external gate or device requiring high current an isolation transformer is required Serial Port Communications The MPRX supports one RS 232 communications port For the RS 232 communica...

Страница 142: ...CP and press ENTER Software Flow Control The host can enable or disable flow control with command 614N Select Flow Control Option The host can use software control characters XON XOFF to interrupt rea...

Страница 143: ...are and pointing the antenna in the desired direction The unit should be aligned to point directly at the tag as it enters the desired read zone Fine Tuning the Read Zone by Lowering Output Power You...

Страница 144: ...read mode or 645NN for SeGo protocol tag read mode to reprogram the RF sensitivity range Sensitivity range adjustments have less impact on the read pattern than RF power adjustment thus RF power adju...

Страница 145: ...one tag behind your back while you hold another tag in the new read zone If a valid read the data from the tag held in the read zone displays on the host device screen 3 Switch tags placing the other...

Страница 146: ...Chapter 9 Troubleshooting and Maintenance...

Страница 147: ...on properly because the RF section is shut off until the frequency is reset Reset the frequency using command 647XXX Error07 The RF phase locked loop PLL has lost lock and is unable to operate at its...

Страница 148: ...ore for return and replacement procedures If you contact Technical Support use the symptom number in Table 9 2 to reference the problem that you are having with the MPRX Table 9 2 Symptoms and Remedie...

Страница 149: ...nd no parity 5 Nothing happens when the test tag is passed in front of the MPRX RF antenna Ensure that the MPRX is poweredon Verify that the reader is set to RF ON 6401 Verify that the antenna is conn...

Страница 150: ...Radio Frequency on page 8 13 10 The MPRX is reading tags out of the desired read zone Some interference from other RF or electrical sources may be occurring Refer to Reflection Refraction and Diffract...

Страница 151: ...MPRX TransCore Proprietary 9 5 Marketing Support Dealers requiring marketing support may call TransCore Sales Support at 800 923 4824...

Страница 152: ...System Guide TransCore Proprietary 9 6...

Страница 153: ...Chapter 10 Interface to Train Recording Unit...

Страница 154: ...eports to a host computer system A train clean consist report is a train listing in standing order where orientation of tagged equipment is provided location of untagged equipment is provided and car...

Страница 155: ...e same railside hut and are connected by a communication power cable Figure 10 2 shows the TRU circular connector port for the MPRX interface cable Figure 10 2 TRU MPRX Communications Interface Cable...

Страница 156: ...System Guide TransCore Proprietary 10 4 Figure 10 3 MPRX TRU Communications Interface Cable Table 10 1 lists the MPRX to TRU communications interface pin designations and signal descriptions...

Страница 157: ...D1 Transmit Data 1 8 2 GND Signal Ground 15 3 LOCK Lock 7 4 GND Signal Ground 14 5 24RTN 24V Return 6 6 CTS1 Clear to Send 1 13 7 24RTN 24V Return 5 8 RTS1 Request to Send 1 12 9 24V DC Input Voltage...

Страница 158: ...Chapter 11 Check Tag to MPRX Assembly...

Страница 159: ...eck Tag Kit TransCore P N 19114 00 Table 11 1 lists the kit parts Table 11 1 Check Tag Kit Parts List Quantity Description 1 Terminal connector strip 9 position 2 Self tapping screw 1 Plastic connecto...

Страница 160: ...e plastic nut and rubber grommet over the wires Figure 11 2 Figure 11 1 Place Nut and Grommet Over Exposed Check Tag Wires 2 Pull the check tag wires through the connector housing Figure 11 3 Figure 1...

Страница 161: ...in Table 11 3 Table 11 3 Check Tag 1 Wire Assignments Figure 11 4 shows both check tags connected to terminal strip Figure 11 4 Two Check Tag Assemblies Connected to Terminal Strip 5 Insert and tight...

Страница 162: ...the check tag cable To assemble the kit for one check tag 1 Follow the procedure steps described above in steps 1 through 6 butconnect only one check tag cable Caution If connecting only one check ta...

Страница 163: ...cktagassemblytotheMPRX Remove the dust cover from the Check Tag port of the MPRX and plug in the check tag cable assembly signle check tag assembly shown in Figure 11 8 Be sure that the two handles sn...

Страница 164: ...MPRX TransCore Proprietary 11 7...

Страница 165: ...Appendix A Glossary...

Страница 166: ...king Association aux auxiliary AWG AWG American Wire Gauge is a U S standard set of non ferrous wire conductor sizes B backscatter portion of an RF signal that is modulated by a tag and radiated back...

Страница 167: ...ata information that is processed by a computingdevice DC direct current DIAG diagnostic E ECP error correcting protocol ECPS error correcting protocol status eGo Proprietary name for ANSI NCITS 256 2...

Страница 168: ...erally a computer that is connected to the Multiprotocol Reader Ex treme through the communications port I I O or IO circuits input output circuits ID identification encoded information unique to a pa...

Страница 169: ...power fail bit R RAM random accessmemory RDID reader ID read process of acquiring data from a device for example from a tag orfrom computer memory reader controlled interrogating device capable of ac...

Страница 170: ...te process of recording data for example writing to computer memory or to a tag s memory Writing writes over erases previous data stored at the specified memory locations X XON XOFF protocol for contr...

Страница 171: ...MPRX TransCore Proprietary A 7...

Страница 172: ...Technical Specifications Appendix B...

Страница 173: ...operating environment Hardware Features Power Requirements Physical Attributes Frequency Selection 860 to 930 MHz capablea Reading Range Read performance varies depending on tag reader and external a...

Страница 174: ...MPRX complies with shock tolerance limits specified in AREMA C S Manual Part 11 5 1 Class C Communications Interface RS 232 RS 422 Ethernet Cable Accessory Kits MPRX to TRU cable assembly 6 ft 1 8m MP...

Страница 175: ...Wiring Diagram C...

Страница 176: ...r Extreme MPRX for a non Train Recording Unit installation Communications Interfaces Table C 1 lists the interfaces available with the MPRX Table C 1 Communications Interfaces and Conductor Requiremen...

Страница 177: ...ame Pair 1 White 9 SIG_GND Black 1 RS232 TX Pair 2 White 10 SIG_GND Brown 2 RS232 RX Pair 3 White 12 V Return Red 11 V In Pair 4 White 12 V Return Orange 11 V In Pair 5 White 12 V Return Yellow 11 V I...

Страница 178: ...y no TRU Table C 3 MPRX SENSE Communications Cable Pin Designations Sense Cable Pair Color Pin Number Name Pair 1 White 3 I O GND Black 7 CTAG 0 Pair 2 White 3 I O GND Brown 8 CTAG 1 Pair 3 White 4 I...

Страница 179: ...Command Quick Reference Appendix D...

Страница 180: ...ore information refer to Chapter 5 This chapter provides software related information for the Multiprotocol Reader Extreme MPRX System on page 5 2 Table D 1 lists factory default settings Table D 2 li...

Страница 181: ...sence without tag reports Disabled 6900 RF off control Timeout or no presence 6922 RF timeout Never true 693F Input inversion Disabled 6940 Serial number SSSSSS 695 Store hardwareconfiguration Hardwar...

Страница 182: ...11 Use two stop bits Done 1020 Disable parity Done 1021 Select even parity Done 1022 Select odd parity Done 20 Set time Done 21 Set date Done 22 Display time and date Time and date 300 No time and dat...

Страница 183: ...n during multi tag sort Done 480 Disable ATA Done if MPRX model supports this tag protocol Error if tag protocol is unsupported 481 Enable ATA Done if MPRX model supports this tag protocol Error if ta...

Страница 184: ...wer fail has occurred R0 not applicable to the MPRX 521 Display reader ID number RDID xx xx 00 FF 522 Display comm port parameters MAIN Bx Sx Px D0 B2 1200 B3 2400 B4 4800 B5 9600 B6 19 2 B7 38 4 S0 o...

Страница 185: ...sor O0 RF off O1 RF on T1 uniqueness timeout of 2 min T2 uniqueness timeout of 15 sec T3 uniqueness timeout of 30 sec Fxxx RF output frequency xxx 000 to 118 Rxx Tag decoder range distance for ATAtags...

Страница 186: ...out or no presence T0 RF timeout of 0 ms always expired T1 RF timeout of 4 ms T2 RF timeout of 8 ms T3 RF timeout of 12 ms T4 RF timeout of 20 ms T5 RF timeout of 24 ms T6 RF timeout of 32 ms T7 RF ti...

Страница 187: ...iteria of three acquisitions V3 valid ID code criteria of four acquisitions 534 Display tag translationmode status TT 0 to 1 0 tag translation mode disabled 1 tag translation mode enabled 537 Display...

Страница 188: ...nd 3 when sense1 active MPRX MPRX modeselected 560 Display input statuschange SSTC Ex Mx E0 status change reports disabled E1 status change reports enabled M0 no reporting M1 report change on input0 M...

Страница 189: ...no SN serial no Copyright date TransCore 6400 Turn off RF Done 6401 Turn on RF Done 641 Select RF by inputcontrol Done 642NN Select RF operating frequency Done 643NN SetATAoperatingrange distance NN...

Страница 190: ...out Done 6921 Turn RF off on timeout tag Done 6922 Turn RF off on timeout no presence Done 693N Set RF timeout N 0 F always expired 4 8 12 20 24 32 48 60 92 152 300 452 600 752 infinite Done 693F Set...

Страница 191: ...Switch on RF port 0 fire off check tag address 0 on check tag pin 0 Done 8111 Switch on RF port 1 fire off check tag address 1 on check tag pin 0 Done 8112 Switch on RF port 2 fire off check tag addr...

Страница 192: ...RF port 2 only Done 893 MUX test mode RF port 3 only Done Alphabetical Command List The following conventions are used in Table D 3 Items in bold italics identify factory default settings Only the co...

Страница 193: ...Done Automatic periodic RF status report disable 830 Done Automatic periodic RFstatus report enable 831 Done Aux info append disable 310 Done Aux info append enable 311 Done Basic protocol select 610...

Страница 194: ...ry Txx ECP timeout ms 50 xx TFF disabled ECP timeout X0 no flow control X1 software flow control S0 SOM character is Command mode switch 01 Done Data inquiry protocol enable 613 Done Data mode switch...

Страница 195: ...r programmable group select equals GSE filter data 549 The response data is formatted similar to the data in the configuration command Hardware configuration information display 506 S S S S ASCII stri...

Страница 196: ...e MUXbetween RFports 0 1 2 and 3 853 Done MUX test mode RF port 1 only 891 Done MUX test mode RF port 2 only 892 Done MUX test mode RF port 3 only 893 Done Odd parity select 1022 Done Operating mode s...

Страница 197: ...ms T2 RF timeout of 8 ms T3 RF timeout of 12 ms T4 RF timeout of 20 ms T5 RF timeout of 24 ms T6 RF timeout of 32 ms T7 RF timeout of 48 ms T8 RF timeout of 60 ms T9 RF timeout of 92 ms TA RF timeout...

Страница 198: ...ate TransCore Report changes both 823 Done RF attenuation set NN 00 to 0A 644NN Done RF off on timeout 6920 Done RF off on timeout no presence 6922 Done RF off on timeout tag 6921 Done RF turn off 640...

Страница 199: ...Tag decoder range distance for ATAtags 00 to 1F hexadecimal rangevalue Gxx Tag decoder range distance for eGo Plus Tags 00 to 1F hexadecimal range value Axx RF power attenuation 00 max to 0A min 10 d...

Страница 200: ...set NN 00 shortest to 1F longest 645NN Done SeGo protocol taginitialization during multi tag sort 456 Done SeGo protocol tag initialization during multi tag sort disable 457 Done Serial number set S...

Страница 201: ...r the group select filter 697 Done Software flow controlenable 6141 Done Stop bit use one 1010 Done Stop bit use two 1011 Done Switch on RF port 0 fire off check tag address 0 on check tag pin 0 8110...

Страница 202: ...ay 22 Time and date Time and date not appended 300 Done Time set 20 Done Uniqueness reset 440 Done Uniqueness time out set to 2 minutes 441 Done Uniqueness time out set to 15 seconds 442 Done Uniquene...

Страница 203: ...MPRX TransCore Proprietary D 25...

Страница 204: ...Compatible Tag Information E...

Страница 205: ...nt case metal externalinstall AT5133 Transportation Beam 20 1 915 MHz frequency high temperature chemical resistant case metal externalinstall AT5412 Transportation Beam 10 1 2 915 MHz frequency high...

Страница 206: ...external install AT5125 Transportation Beam 20 1 915 MHz frequency high temperature chemical resistant case metal external install AT5510 Transportation 10 yr battery 20 1 Multifrequency metal externa...

Страница 207: ...xed and can be used to identify either the dealer or the user The remaining six positions are numeric and should be unique for each tag issued For example the entry ACME000001 might be specified as th...

Страница 208: ...MPRX TransCore Proprietary E 5...

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