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5

Connection via

Interface

RS485

RIO-29

 

Set the desired address.

The bus address in the range of 0 to 127 (binary format) can be adjusted with the left DIP switch (pos. 

1 to 7). All remaining DIP switches (pos. 8 as well as pos. 1 to 8 from the right DIP switch) are set to 

OFF. If multiple temperature sensors are used addresses may not be assigned twice.

The room temperature sensor THERMASGARD 

4277 is connected to the RS485 interfaces of the 

RIO-29 modules. You can attach a maximum of 128 

controllers on the same interface.

Bus adress

Connection at myGEKKO

myGEKKO RIO 29

Art. Rio-29

LED for power supply

Expansion port for 

LED display

Temperature cor-

rection

Humidity correction

Reset

Communication LED

Temperature sensor

Humidity/temperature sensor

Supply terminal

Bus address

Bus terminal

Bus termination

Bus parameters 

(baud rate, data bits,…)

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