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AD-4402 Page
91
RS-422 Connections
Settings RS-422
[
03 f-11
] [
1
]
Address Number 0
[
03 f- 8
] [
0
].
RS-485 4 Wire Connections
Settings RS-422
[
03 f-11
] [
1
]
Address
Number
[
03 f- 8
] [without
0
].
Host computer
RDA
3
RDB
4
SG
5
FG
6
SDA
1
SDB
2
AD-4402
TERMINATOR
ON
OFF
Terminator resistor
100 ~ 120
Ω
1/2W
Turn on terminator
switch
The host computer may include
the terminator resistor.
The host computer may have
inverse polarity terminals.
Use twisted-pair wire.
Use shield cable, if it is needed.
RDA
3
RDB
4
SG
5
FG
6
SDA
1
SDB
2
AD-4402
No.1
Host computer
Terminator resistor
100 ~ 120
Ω
1/2W
The host computer may
include the terminator
resistor.
The host computer may have
inverse polarity terminals.
Use twisted-pair wire.
Use shield cable, if it is needed.
TERMINATOR
ON
OFF
AD-4402
No.32
TERMINATOR
ON
OFF
Connect a terminator
resistor at the indicator that
is the longest distance from
the host computer.
RDA
RDB
SG
FG
SDA
SDB
RDA
RDB
SG
FG
SDA
SDB
RDA
RDB
SG
FG
SDA
SDB