This software supports the 'Modbus RTU' and 'Modbus ASCII' serial communication versions of the protocol, and is intended for use on Linux, OS X and Windows platforms. It is open source, and has the ...

Furthermore they won't let me review product on their website. We have a 2.5 year old Carrier HVAC system in our new home. It needs coils, condenser, Freon and new outside unit. It has frozen up ...