394149/C
111
RS-422seriallineconnectionusingvewires
AnRS-422seriallineconnectioncantransmitdataatratesashighas10millionbitsper
second,andmaybesentoncablesaslongas1500meters.
2
3
5
4 4
1 1
TXD+ TXD+
RXD+ RXD+
GROUND
2
3
5
TXD- TXD-
RXD- RXD-
GROUND
(CD0801_004_001)
9 6
1
5
5
1
6 9
(CD0801_001_002)
ALocalconnection
BConnectiononperipheraldevice(typicalexample)
Notethatthepinnumbersonyourperipheraldevice
maybedifferentfromthoseshownhere!
CFemale9–pinD-connector
DMale9–pinD-connector
Unlessotherwisespecied,theseriallinecablemustbe
providedbytheinstallationshipyard.
Minimumcablerequirements
•Conductors:2x4x0.5mm²
•Screen:Overallbraided
•Voltage:60V
•Maximumouterdiameter:Denedbytheplugs
Ifyouneedtoinstallaverylongseriallinecable,increasethecrosssection.
Relatedtopics
Aboutseriallines,page135
ConnectingexternaldevicestotheProcessorUnitusingserialinterfaces,page94
Cablelayoutandinterconnections