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8. RS485
8.1 About RS485
A typical RS485 connection is as below.
Some Noteworthy Points:
1.
Wires between devices and computer shall be twisted.
2.
Maximum allowable wire length is 1000 meters.
3.
The terminal-end device should have a terminal resistor.
4.
Due to multiple connections, each individual device should be
assigned an IP address as to send/receive.
8.2 Connecting RS485
8.2.1 RS485 Segments
RS485 terminal
Connecting to device or computer
with RS485 interface
Terminal Resistor Switch
T/R 1+ T/R 1-
T/R 2+
T/R 2-
Address Switch
Summary of Contents for PV-10000T-U
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