WP-8000-CE7 Series User Manual, version 1.0.2 Page: 157
Copyright © 2020 ICP DAS Co., Ltd. All Rights Reserved.
E-mail: [email protected]
F.5.
Master/Slaves Settings
The RS-485 network based on master-slave architecture consists of a single master device and one
or more slave devices.
The WinPAC provides two RS-485 communication interfaces based on the master-slave system
architecture, all of which have a pull-high/pull-low resistor, user can set it to master or slave for
implementing an RS-485 multi-drop network.
One of the RS-485 communications, COM2, its pull-high/pull-low resistor located on power board,
the other, COM3, located on the right side and its pull-high/pull-low resistor located on the bottom
of the right side, as shown below.
COM3
COM2
Master
Slave
Power Board