Simrad TRANSDUCER - INSTALLATION GENERIC REV H Manual de instalación Pagina 40

  • Descarga
  • Añadir a mis manuales
  • Imprimir
  • Pagina
    / 212
  • Tabla de contenidos
  • MARCADORES
  • Valorado. / 5. Basado en revisión del cliente
Vista de pagina 39
SimradMS70
Figure12Vesselcoordinatesystemwiththereferencepointonthewaterline
ADownward(Z-axis)
BStarboard(Y-azis)
CForward(X-axis)
DReferencepoint(origo)
+Y
-Y
+Z
-Z
+X
-X
(CD017013D)
A
B
C
D
Referencepointsmustbeestablishedonthevesselatselectedpositions.Theseare
neededduringmeasurementsofthesensorpositions.Visualmarkingsatthesepositions
shouldbepreparedandnotedonthevesseldrawingswithX,YandZcoordinatesinthe
vesselcoordinatesystem.
Sensorlocations
TheMS70transducerarraymustbelocatedaccordingtotheguidelinesgivenelsewhere
inthismanual.Withregardtothelocationofothersensorsthefollowingguidelines
shouldbefollowed,butotherwiseshouldbechosenaccordingtothemanufacturers
documentation.
Motionsensor
Thesystemmotionsensorshouldnormallybemountedonthecentrelineofthevessel,
eitherclosetotheMS70transducerarray,orclosetothevessel’scentreofgravity.
Thelatterpointisrecommendedifthesensorisusedforotherpurposesthanjustwith
theMS70,orifitsaccuracyissensitivetohorizontalaccelerations.
Ifthereisanypointinthefore-aftdirectionwhichdoesnotchangeheightwithrespect
tothewaterlinewithchangesinvesselspeed,thenthisistheideallocationforthe
motionsensor.Thiswilleliminateanyerrorsfromsquatinducedheightchangeswhich
isnotmeasuredbycurrentmotionsensors.
Note
Ifthefore-and-aftdistancebetweenthetransducerarrayandthemotionsensorislarger
than20m,thesystemaccuracymaybedegraded.
Themotionsensormustbealignedwiththevesselcentreline.
38
331549/B
Vista de pagina 39
1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 211 212

Comentarios a estos manuales

Sin comentarios