Filter
Top Products
- 16 -
RS-422 / RS-485 Installation Diagrams
RS-422 Full Duplex
Note: When the distance between both ends of the installation
is large and/or the transmitted signals are unstable,
insert 120Ω terminal resistors between pins 1 and 2 and
between pins 3 and 4 on the terminal blocks of the two
units at each end of the installation.
RS-485 Half Duplex
Note: When the distance between both ends of the installation
is large and/or the transmitted signals aren’t stable,
insert a 120Ω terminal resistor between pins 1 and 2 on
the terminal blocks of the two units at each end of the
installation.
Master
T+
T
-
R
-
R+
Slave 31
R+
R -
T -
T+
Slave 1 Slave 30
4,000’
Master
T+
T
-
R
-
R+
Slave 31
R+
R -
T -
T+
Slave 1 Slave 30
4,000’