NMEA USB Merger
Contents
1. MEA USB Merger 2 NMEA 0183 V3 01 inputs V1 5 amp V2 compatible User optional High Speed NMEA 38 4K Baud USB Hi Speed V2 V1 1 compatible Power direct from host PC or standalone operation Opto Isolated User selected filtering optional Plug n Play No set up required for simple operation User Manual HB NUM V1 01 Tinley Electronics Ltd Anchor House Bath Road LYMINGTON SO41 3YJ Tel 01590 610071 Fax 01590 610072 email electronics tinley net www tinleyelectronics com Introduction Congratulations on your purchase of the USB Merger from Tinley Electronics This interface combines clever thinking with incredibly simple operation and represents Tinley s commitment to providing customers with the finest products The USB Merger merges and filters 2 NMEA inputs into 1 NMEA output with an additional USB connection for a PC allowing any navigation software to receive and transmit fully Opto Isolated NMEA Additionally user selectable filters can be set to filter in or out any combination of NMEA sentences independently from either input Use standalone 2 into 1 NMEA or connect to a PC to automatically provide 2 NMEA into USB and USB back to NMEA No additional power supply is required when connected to USB NMEA 0183 HS 38 4 K Baud can be selected on Input 1 and Output whilst still merging standard low speed NMEA through Input 2 This enables the unit to combine ATIS and GPS signals for instance2. ajduwexa JO ZEZSH 10 S Dd ZZt VI3 10 810 V3INN UHA upi duuo2 JOU ae yey sesejajul uuoS 9 0N pa 99 01d NDIID HOUS MS uey 1 ll q uonejosi oJdo Ind es YWOSE UHM J08101g peo Inj Jopun yWOS gt SHOA Z 6 EUILOU SHOA pZ 21 sindul WAIN O uey aow saup uep pajoa 01d yuejod 8s1 A 91 pue aBe J0n JSAO yuO9 Xen V 229 W13 yu uey 19119q SH 810 pue 10 S X Z G SUOISION Av L uey apaq jnsuas E8L0 V3INN 01 aduepo99e spasoxa inding V 221v V13 ajqiyeduoo zezsy SH 810 PUB 10 S X Z S L SUOISISA S810 V3INN 01 89UEPI099B pasoxa s nduj gsn Buisn usym p nb JON iddns 198mog LO UOISISA SIEMIJOS
3. Before you begin using your new Tinley product please take the time to read this manual to help you achieve the full potential from your new interface Certification This device meets requirements for CFR47 Part 15 of the FCC limits for Class B equipment and meets the standards set out in European Standard EN 60945 1997 IEC 945 1996 for maritime navigation and radiocommunication equipment and systems Legal bit Sorry Tinley Electronics Ltd accept no responsibility for the use of this equipment This equipment is not designed to replace conventional navigation procedures Information in this document is subject to change without notice Tinley Electronics reserve the right to change its products and documentation without obligation to notify any person or organisation of such changes Operation For basic operation the interface merges the two NMEA inputs to the one output When USB is connected the interface merges the two NMEA inputs to the connected PC and transmits data from the PC via the NMEA output As far as the host PC is concerned the USB Merge Computer appears to be a COM port RS232 Note that other than selecting the correct COM port no other settings are necessary you do not have to select baud rate etc this is automatic To find the correct com port either 1 Check in Windows Vista or XP Device Manager under Ports COM amp LPT the interface will be listed as TINLEY USB to U
4. speed 38400 baud Set Input 1 and output to low speed 4888 baud To set filtering first enter the function required below FAL Filter allow selected on input 1 FA2 Filter allow selected on input 2 FR1 Filter remove selected on input 1 FR2 Filter remove selected on input 2 Then enter up to 40 NMEA 3 letter formatters separated with commas Connected 00 00 28 ANSI 2400 8 N 1 Most functions are self explanatory To return to normal RUN MODE use the ESC function As an example to set the interface to only allow RMB and RMC on input 1 type FA1 return RMB RMC return Interface confirms with the reply Channel 1 filter allow RMB RMC To reset an individual input to no filtering type the function followed by an empty list as follows FA1 return return Interface confirms with the reply Channel 1 filter none Installing Driver The driver only has to be installed the first time the interface is plugged into each USB port The CD is only required for the first installation port For Windows Vista XP NT or 2000 the following driver file is provided Tinley_NTXP inf The following example is for windows XP 1 Plug interface into required 3 Ignore warning and click USB port Found New Hardware Continue anyway Wizard will be displayed Hardware Installation Select No not this time and A The software you are installing for this hardware click
5. ART COM X where X COM port number The interface must be plugged in and driver loaded 2 Open software such as Hyperterminal or your navigation package without the interface plugged in and check the available COM ports under Properties or similar Close Properties and Plug in interface Now check the available COM ports again noting the new one Some software may require closing and re opening to see new port Note that the COM port is specific to the USB port in use if you change the USB port the COM port will also change Plug the interface back into the original USB port and the original COM port will be remembered even when the PC reboots This is useful if you want to use more than one USB Merge Computer Open the COM port in Hyperterminal and the interface will output the following start up message Tinley Electronics Ltd c 2006 USB Merge Computer Version X XX X XXX Any valid data on either input will now follow in a continuous stream ALWAYS CONNECT USB BEFORE OPENING APPLICATION Filtering The NMEA 0183 protocol has its limitations one of these is the speed and hence the maximum throughput of data If the USB Merge Computer is overloaded with data i e more data is available on the inputs than is physically possible to fit the output some data MUST be discarded The intelligent software maintains up to date data flow on a first come first served basis with minimum delay while intelligentl
6. Next TINLEY USB to UART has not passed Windows Logo testing to verify its compatibility why this testing is important Found New Hardware Wizard with Windows XP Tell me Welcome to the Found New Continuing your installation of this software may impair SN Hardware Wizard or destabilize the correct operation of your system y either immediately or in the future Microsoft strongly Windows will search for current and updated software by recommends that you stop this installation now and looking on your he hardware aoe CD or on contact the hardware vendor for software that has computer on t the Windows Update Web site with your permission eat wacy policy Read our privacy policy passed Windows Logo testing Can Windows connect to Windows Update to search for software O sae Continue Anyway STOP Installation Yes this time only Yes now and every time connect a device No not this time 4 Wait for software to load and x click Finish Found New Hardware Wizard 2 Insert CD If windows does not automatically detect CD then click Next Completing the Found New Hardware Wizard The wizard has finished installing the software for y TINLEY USB to UART lt Found New Hardware Wizard This wizard helps you install software for TINLEY USB to UART Click Finish to close the wizard If your hardware came wi
7. th an installation CD gt or floppy disk insert it now What do you want the wizard to do Install the software automatically Recommended Install from a list or specific location Advanced Click Next to continue For windows 98 SE two driver files are provided in the directory win98 Manually select the first driver tin98_1 inf and the second driver should install automatically The Windows 98 CD may also be requested 19u 9 UI1O S91UO1J09 9 ew 9 JU9SUOD u lluA Jud ay Inoyym sueau Aue Ag JO WO AE YOS uo BuI 7 2 0019 0681 0 ppt xe4 Aue ul p onpoid 1 Jo ps doo aq jou Aew Buimesp sy Peoy yeg esnoy 1OU9uV LZ00L9 0691 0 prt 181 eee PJ S31uono l3 luil uin u g eubis y WWONOZ 99UE SIp ajes sseduooy LN SMOPUIM AS 86 SMOPUIM punos6 sdiys pue 93 195191 GSN V3WN 0002 SMOPUIM indu punoi6 YgyN Sjuawdinba Bunosuuoo gt dX SMOPUIM P SIA SMODUI A ay usemjaq lInuluoo JO YOOUD 0 10 QO uo p piA01d sianl1g 1J uuninuu e sn qnop ul J punoiB6 sdius 10 AO 91 g mdino V3INN 198uuoo ou oq punolb eubis se slloA 0 8sn pue jeubis indino y se v imdino joauuos Sd Ile UO pueg aseo y SI SIU J eyep jo uondn4109 pue umep L LA Ulm ajqreduoo osy O zA p ds IH SN v no AN az indu vz mduj Osmadul we anduy Juano anissaoxa UI sl ns 1 siy indino SIU UM 19 Juo2 e aesneo ues
8. y discarding repeated sentences This ensures no important data is lost All incoming data is scrutinised to check for NMEA compatibility Checksum if present and other parameters will be checked and the sentence will be discarded if corrupt Note that corruption can occur due to electrical noise poor connections or long cable runs etc User Filtering Filtering can be used to choose which device the data comes from eliminate data loops stop data overload etc There are two types of filtering that can be applied to each input independently 1 Filter in allow Only allow sentences in the list to propagate 2 Filter out remove Remove all sentences in the list To set filtering some knowledge of the NMEA three letter formatters is assumed First connect the interface to a USB equipped PC with driver loaded and ensure that no NMEA data is being received at the inputs Using Hyperterminal or similar terminal software select and open the correct COM port Confirm the start up message is displayed To enter SET MODE Type FSET return The terminal wndow should now show a list of functions available as follows ES test HyperTerminal BAX File Edit View Call Transfer Help Ca 3 0 E HSET xxx SET MODE Type required code followed by enter HLP Displays this HELP screen ESC Exits set mode SHO Displays user settings Resets memory to default no filtering low speed Set Input 1 and output to high
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