NM-2518Speed Log to NMEA-0183
ConverterUser Guide
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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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4 | ιe""*.lv f*ffi,
ΝM.251 Series
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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ΝM.251 Series
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NM-251 Series
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
LED lNDlcAτoR' sEQUENGE
-ηψ ψo bι: toc iδλ,ΞiΞion MooΞ. Ξigna| δi 'na
port ιs convertω to iMEAIΓ'na LεL l 9t9η?]. Ι!η |!ιι.l! ρort !s ηΦΞγei!Ξη,]e ]
I oυt 1/2 LED F|a9!]Φ9!ηcieq!eΞ dΞιalηa!ΞηiΞglqn tg outLutΙ9lt 1 and 2 |_out yη ιεoΤ rιaππshaicates daE triιlsmission to outρut ρortΤaπ Τ l
] oUτ 5 LED Fιashino indicates data transmission to outDut 5 l
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97;l:ll3lLdcιΙΙΠttttΙΙttUι!ΞeΠΙ|Uoaι
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.-.t9- οJ- Qgπ ggoο φorιJuE u.ffi.'.e.9't.9.,t rοτΞ1οΓlo ill"ii{|ο|ιi |o ο ο|.Ι | o| |o ΞEiF[|ξFl--:-'.3| | 3| |3 t,E,r,δE3il:ffi :l l:lgtEli:l l3
A/G\Ξ| |Ξ *i&1*.3| |Ξ,!}fl,:!: :Π: :| |:"i:nμ t*ιιΞ*Ξll: Ξi iΞ,,.-ν{Ξl1δ| aΙ-lo o| lo oi |o.Φι")ffi :F |: :| |: :| |:-;J}=l,J .H. ilμ:oιJoΗgfifiE&βfifififiΨ:frιΞlEllJ U U U Ll tJ U U ι] Lj L}:dιjΞ]ff |Ξ]/\o o ο 9 -o. -o--o-
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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
sPEcIFlcAτlol{s
lv Voltaoe to 35Poι{er suρρ|y Protection Pτc Resetab|e Fuse
vmax: 60v, Ιmax: 40A, Ιho|d: 0,25A (23oc),τtrin:ο ξA .,3oc'Ι. Mar time to trio (23oc): 2.2sec for 1.25AsοmA in idle ξtate/ 1somA |n fu|| outDut mode
lnputs 1 x c|osing contact ana|og interface, oρticaιly ιso|atedcommon Mode Rejection: lokv/usect.6|5t|^^. Δρn ν.mξ
Inout Resistance 1 κohmoutρuts x buffered R5-422/rτL (genera| purpose)
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
^ιιtnltt n^d ξ
Dιmension5 Width = 110mm/134,8o mmDeoth = 82 mmιlFidht = 43 mm
Housino
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
Port lD ιYIrr ΞD / Gotor cablΞ ID Slgnal Descrlptlon
r'in(+)
ΞND
Ina(+)
Ιna(-)
lnb(+)
nb(-)
)ut1A
)utlBΞΝD
)ut2B
lut2Alut3A)ut3Β
ΞΝD
)ut4B
)ut4A
)ut5A
)ut5B
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FΤ{ηΓΓΠ
sEττItGs,5r
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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]
* Mark th€ ρos|t|ons that are occup|ed by the Jumρer** Mark the ρosition for every switch
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DESΙCιψ ΑsSESSME$ΙΤΤhis is to Ceπili that a represenfative of ιhis Bureau ιl1ιl, at thc rcqucst of
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PRooUcτ Ρmgamublιl Cοnlrο|Ιer. Ιl(} lJniιs' Οperulor & Cιlmπυnici|iοn tslι'rfacε3
Mooει: ΝM.25| Scries
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