22/09/2021
WEIDOS Quick Start Guide
Version: 00.00.01
Page 32 / 52
Please check the following table to select RS485 mode:
ATTENTION
Material damage!
Disconnect Weidos from Power Supply before any change on DIP switches configuration.
See Serial connector location in the following image:
For a good performance, it is recommended to use twisted pair and shielded wiring.
NOTE: RS-485 pins have an internal pull-up (A) and pull-down (B) of 20K
Ω
.
Typical Connection:
Please, note that Serial communication pins work at 3.3Vdc TTL signal.