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Supply Air Temperature Monitoring
Set TT = DA in the Advanced Installer Menu
In this mode, the SMART 2000 will broadcast this sensor temperature value to
ModBus ONLY. This value is not used by the thermostat nor is it displayed on
the LCD. It is expected that this information is used for supervisory functions or
equipment control feedback. Also, as this is an analog input, by monitoring a
switched resistor network your supervisory software can decode a number of
digital states.
ADVANCED FUNCTIONS
Modbus Communications
The SMART 2000 has integrated ModBus communications capabilities where,
a remote PC or building Direct Digital Control (DDC) system may view or adjust
many of the thermostat functions remotely.
It is not the scope of this manual to provide detail on the communication
capability of the SMART 2000. ModBus communications detail is available for
download from the download page at www.robertshaw.com.
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