This forum has been designed as a Technical Support Hub for frequently asked questions we receive on the Air Handling products we supply.

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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On 8/25/17, 12:29 PM

In the Carel protocol, the addresses of each variables are offset by a digit as Modbus considers the address 0 as a valid address, while Carel protocol doesn't. Enclosed you may find an excel file containing the corresponding modbus registers and coils corresponding to the Carel address. This may clarify the matching pattern between the addressing of one protocol versus the other.

You can download the complete list of BMS variables in MS EXCEL here.

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Asked: 8/10/17, 10:18 AM
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Last updated: 8/25/17, 12:29 PM