Simrad EK80 - RS-485 Serial Line Connection Using Two or Four Wires

114
394149/C
RS-485seriallineconnectionusingtwoorfourwires
AnRS-485seriallineconnectionusingtwoorfourwiresiscommonwaytoconnectthe
EK80toexternaldevices.Thisformatisrecommendediftheserialcableneedstobevery
long.
2
3
3
5
5
4
4
1
TXD+(B)
TXD+(B)
TXD-(A)
TXD-(A)
GROUND GROUND
GROUND GROUND
RXD+(B)
RXD+(B)
DATA-(B) DATA-(B)
RXD-(A)
RXD-(A)
DATA-(A) DATA-(A)
(CD0801_005_001)
9 6
1
5
5
1
6 9
(CD0801_001_002)
ALocalconnectionwithpincongurationforMoxa
CP114EL-Iserialadapter
BConnectiononperipheraldevice–referto
manufacturer’ sdocumentationforpinconguration
CFemale9–pinD-connector
DMale9–pinD-connector
Unlessotherwisespecied,theseriallinecablemustbe
providedbytheinstallationshipyard.
Minimumcablerequirements
•Conductors:2x5x0.5mm²
•Screen:Overallbraided
•Voltage:60V
•Maximumouterdiameter:Denedbytheplugs
Ifyouneedtoinstallaverylongseriallinecable,increasethecrosssection.
Relatedtopics
Aboutseriallines,page135
ConnectingexternaldevicestotheProcessorUnitusingserialinterfaces,page94
SimradEK80