AND AD-4329A-03 Manual de instrucciones - Página 4

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Connection example

Note: Signal polarities (A, B) of some host computers may be reversed.
SG is not available for some host computers.
RS-422
RDA
RDB
SDA
Host computer
SDB
SG
RDA
RDB
AD-4329A
SDA
Address=1
SDB
TRM
SG
RDA
RDB
AD-4329A
SDA
Address=2
SDB
TRM
SG
RDA
RDB
AD-4329A
SDA
Address=10
SDB
TRM
SG
Terminating resistor
(May be built into the
host computer.)
Host computer
AD-4329A
Address=1
AD-4329A
Address=2
AD-4329A
Address=10
Connect the terminating resistor
only to the indictor which is furthest
from the host computer.
3
RS-485
Terminating resistor
(May be built into the
host computer.)
A
B
SG
RDA
RDB
SDA
SDB
TRM
SG
RDA
RDB
SDA
SDB
TRM
SG
RDA
RDB
SDA
SDB
TRM
SG