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Along with tutorials on navigating through our iSmart Air Handling Unit Software, this forum is home to troubleshooting guides for products such as CAREL, Belimo, Titan, Axio, Sontay and many more. Please get in touch if you have a query that you haven't found an answer to below. 

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Stefano Lanzani

--Stefano Lanzani--

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--Stefano Lanzani--
Stefano Lanzani
On 9/3/18, 11:11 AM
To connect via Modbus RS485 using the built in port on the controller, you will need to connect on J25, the navigate on the main menu of the controller to: Service-->BMS config.--> Type password (probably 0000) --> then scroll down to screen Ge01a (BMS2 protocol).

Here, please make sure that the settings are: 
Protocol: MODBUS
Boud rate: 19200 (or change to suit BMS requirements)
Address: Unique address in the network.

That's all you need to do.
The Modbus has a fixed Stop Bits = 1 and Parity: NONE

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Asked: 9/3/18, 11:10 AM
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Last updated: 9/3/18, 11:11 AM