XStream"燨EM燫F燤odule?燩roduct燤anual爒5.x00燵2006.02.24]?/DIV>
RS-485 (4-wire) & RS-422 Operation
DIP Switch Settings and Serial Port Connections
Figure燘17?/DIV>
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?/DIV>
?/DIV>
?/DIV>
Figure燘18?/DIV>
?/DIV>
?/DIV>
?/DIV>
牋牋牋牋牋牋
RS485?4wire)燼nd燫S422?nbsp ?/DIV>
?/DIV>
?/DIV>
Pins爑sed爋n爐he爁emale燫S232?DB9)牋牋牋牋牋牋?/DIV>
DIP燬witch燬ettings?/DIV>
?/DIV>
?/DIV>
?/DIV>
Serial燙onnector?/DIV>
 
牋牘?006燤axStream,營nc.燙onfidential燼nd燩roprietary?/DIV>
60?/DIV>
 
 
 
 
Figure燘19?/DIV>
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?/DIV>
?/DIV>
RS485?4wire)?燫S422爓ith燭ermination?o
牋牋牋牋牋牋
ptional)?/DIV>
 
Table燘07. RS485/422?4wire)燬ignals燼nd爐heir爄mplementations爓ith爐he燤odule燗ssembly?/DIV>
 
 
 
 
 
Termination is the 120 & resistor between T+ and T-.
DIP Switch settings are read and applied only while powering-on.
DB-9 Pin
RS-485/422
Name
Description
Implementation
2
T- (TA)
Transmit Negative
Serial data sent from the XStream Module Assembly
Data Line
3
R-
Receive Negative
Serial data received by the XStream Module Assembly
(RA)
Data Line
5
GND
Signal Ground
Ground
7
R+ (RB)
Serial data rec
 Assembly
Receive Positive
Data Line
eived by the XStream Module
8
T+ (TB)
Transmit Positive
Serial dat
mbly
Data Line
a sent from the XStream Module Asse
9
PWR
Power
Optional power input that is connected internally
to the front power connector
1, 4, 6
not used
 
Wiring Diagram: RS-485 (4-wire) Half-Duplex
 
Figure燘20.牋牋XStream燤odule燗ssembly爄n燼n燫S485?4wire)爀nvironment?/DIV>
 
 
 
 
 
 
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