NM-251B CONVERTER Speed Log to NMEA-0183.pdf
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NM-2518 Speed Log to NMEA-0183 Converter User Guide vr.1,o1 Introduction ΝM.251B is a speed Log ppm output to NMEA-0183 converter that enab|es coπnection οf every speed ιog that uses the "c|os|ng,, contact interface with digital systems and instruments that comp|y with the NMEA-o183 standards. τhe NM. 251B is capab|e of conνerting the sρeed ιog contact c|osυres to a standard ΝMEA $vμ/vHνl/ string with checksυm error contro| and output at ττL, Rs.422 and Rs.232 signa| |eve|s. lNPuτ PoRτ NM-251B has one input port for connectinq to the sρeed |og that can be configured to interface both .c|osing" contact and optocoup|er output tyρe Speed Logs. Further details on how to configυre the NM.251B are shown on tab|e configuration sha|| be done ρrior to connectin9 to the speed Log or e|se damage may occur to the instrυment. ouτPUτ PoRτs Gencral Purposc Output Port NM.251B has five generaι purpose output ports that are ab|e of transmitting ΝMEA sentences in both Rs422 and ττL signa| |eve|s, depending on the connection toρo|ogy and each one can fan oυt one instrument. current drawn from each output port can be up to 20mA, emcient enough to driνe any NΜEA compatib|e instrument. Rs-232 Ιnterfac τhe Rs-232 port can de|iver NMEA sentences to any modern computer rυnning the appropriate softι{are on \Λ/indows 98 and above provided that seria| communication fo||ows the 4.8oo/8/N/1 standard. τhis Dort is not optica||y iso|ated and sha|| not be υsed for other than testing purposes. coNNEcτIoNs τhe ΝM-251B can be connected as shown in figures 1, 2 and 3 Using Rs-422, ττL or both signa| |evet type outDUts. Address: 26 Mirtidiotissis str, κasteιιa, 18533 Pιraeυs, Greece τe|.: +30.210,4134628, +30.210.4134698, Fax: +30.210.4134814 websIt: wwιγ.nυovamarea.com e-mai|: Γ::ce |1
Transcript of NM-251B CONVERTER Speed Log to NMEA-0183.pdf
NM-2518Speed Log to NMEA-0183
ConverterUser Guide
v€r.1,o1
Introduction
ΝM.251B is a speed Log ppm output toNMEA-0183 converter that enab|es coπnection οfevery speed ιog that uses the "c|os|ng,, contactinterface with digital systems and instruments thatcomp|y with the NMEA-o183 standards. τhe NM.251B is capab|e of conνerting the sρeed ιogcontact c|osυres to a standard ΝMEA $vμ/vHνl/string with checksυm error contro| and output atττL, Rs.422 and Rs.232 signa| |eve|s.
lNPuτ PoRτNM-251B has one input port for connectinq to the sρeed |og that can be configured to interface both.c|osing" contact and optocoup|er output tyρe Speed Logs. Further details on how to configυre the NM.251B are
shown on tab|e configuration sha|| be done ρrior to connectin9 to the speed Log or e|se damage may occur tothe instrυment.
ouτPUτ PoRτs
Gencral Purposc Output PortNM.251B has five generaι purpose output ports that are ab|e of transmitting ΝMEA sentences in both Rs422
and ττL signa| |eve|s, depending on the connection toρo|ogy and each one can fan oυt one instrument. currentdrawn from each output port can be up to 20mA, emcient enough to driνe any NΜEA compatib|e instrument.
Rs-232 Ιnterfac€τhe Rs-232 port can de|iver NMEA sentences to any modern computer rυnning the appropriate softι{are on
\Λ/indows 98 and above provided that seria| communication fo||ows the 4.8oo/8/N/1 standard. τhis Dort is notoptica||y iso|ated and sha|| not be υsed for other than testing purposes.
coNNEcτIoNsτhe ΝM-251B can be connected as shown in figures 1, 2 and 3 Using Rs-422, ττL or both signa| |evet type
outDUts.
Address: 26 Mirtidiotissis str, κasteιιa, 18533 Pιraeυs, Greeceτe|.: +30.210,4134628, +30.210.4134698, Fax: +30.210.4134814websIt€: wwιγ.nυovamarea.com e-mai|:
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F|gure 1: connection diagram for NM-251B us|ng on|y Rs.422 outρuts
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*:'i.,Figure 2: connection diagram for NM-251B using on|y ττL outputs
Address: 26 Mirtidiotiss|s str, κaste||a, 18533 Piraeus, Greeceτe|.: +30.210.4134628, +30,210.4134698. Fax: +30.210.4134814wcbεltC3 wty!{.!!9ya.ΦlΙΞt,cQΦ C-mail:
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F|gure 3: connect|on d|agram for NM.251B usιng Rs.4zz and ττL outDυts
Niil-251B coNEIGuRAτtolι
The ΝM.251B can be confiourcd to be connected to speed ιogs ιv|th a 7oo/2oo/3oot4oo/5oο pulses per mi|e.τhls can be ach|eved by setiing atp-switcιlei r.η itΞiiGri.?b compos|te assembιy figure 4).
- .Addre.ss:.26 M|rtid|ot|ss|s str, κaste||a, 18533 P|raeus, Greeceτe|,.: +30.210.4134628, +3o.21o.cι:aοsε, εax: +so'zio.ηiiaεrηιYCb3|tc: ιflινι\..nuoνamarea.com c-malt: sa|es@nuovamarΞa.com
configures |nρut c|rcu|t for connectιon to aν9l''!9ult5 lllμuι ζlrEulι ror connecτ|on to a.c|oslng" contacto.utput (default). A 5V dc stgnal ts appΠed then from υie tnour totne Log,s clos|ng clntact to eva|Uate its state. Ιso|atioπ ls ach|evedthen ν|a Logl c|osing contact interface (e.9. re|ay)
|nput circuit for connect|oλ to anLog. Ιnput |s then optica||y |so|ated from LoG.
of ΝM-251B convers|on ratios
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Figure 4: Composite Assembly of NM-LOG
Address: 26 Mirtidiotissis str, κaste||a, 18533 Piraeus, Greeceτe|.: +30.210.4134628, +30.210.4134698, Fax: +30.210.4134814wCbs|tcl www.nuoνamarea.com c-mlil: sales(δnuovamarea.com
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Y pq-r12οutDut NMEA sentence Format {vι^,vHw τ. M.Y.x.N-x.x.κ*<cs>οUtDut Drotection Buffered for all RS-422 outputsLOG inout t οο,/2oοl3οο/4oo,/5οο oom (user seιectab|e)Soeed for NMEA outDuts 4.aοο/8/N/tΙndicators Ιnput (Ιna) - LoG inρut
Ιnρut (Inb) - Not avai|ab|eData transmission from output ports 1 and 2 (Out 1/2 LED)Data transmission from output ports 3 and 4 (Out 3/4 LED)h1}1 ,a.An}i^^ frna aξ-)?) intA#,.a Λr
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Dιmension5 Width = 110mm/134,8o mmDeoth = 82 mmιlFidht = 43 mm
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Address: 26 Mirtidiotissis str, κaste||a, 18533 Piraeus, Greeceτeι.: +30.21o.4134628, +30.210.4134698. Fax: +30.210.4134814wcbΞlta: www.nuovamarea.com c.mr|l: Ξales(ιl]!ΙayilrrirΙΞiιΦm
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Address: 26 Mirtidiotissis str, κaste||a, 18533 P|raeus, Greeceτe|,: +30.210.4134628, +30.210.4134698, Fax: +30.210,4134814wGbslta: rγιI,ιd,nuovamarea.com G-maIl: sa|[email protected]
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