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the gateway is used in the field, if the field RS485 bus is far away and the field interference
is large, it is necessary to add 120Ω terminal resistance at both ends of the RS485 bus to
prevent the reflection of the serial signal.
Note: 120 Ω resistance attached to the package, please check it.
2.6 Installation dimension
3.
How to use the gateway
3.1 Introduction to how to use Gateway
3.1.1 Serial port working mode
There are two types of working modes:
Master mode and slave mode
.
When the serial port works in the master station mode, the serial port can connect up