4 rs-485 cable connection, One to one configuration, Rs-485 cable connection – Toshiba SX 2000 User Manual
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1.3 Computer link mode
1.3.4
RS-485 cable connection
Cable connection examples show as below.
• Below figure shows an example of cable connection using the RS-232C/RS-485
converter (ADP-6237B).
• Use shielded twisted-pair cable for data communication suited to RS-485
standard. The cable shield should be connected to single -point ground.
One to one configuration
Master
computer
RS-232C/RS-485 converter
(ADP-6237B)
S2T
connector
block
S2T, removable terminal block is provided for cable connection.
Short between RXA and TERM for termination at both the S2T and the ADP-
6237B.
If the master has RS-485 (or RS-422) interface and the S2T is connected to the
master directly, connect termination resistor 1/2 W - 120 Q between RXA and
RXB at the master end.
6F8C0926
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