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ENV-VST-C - Operation / Reference Guide
AxLink Commands (Cont.)
PRESSURE Sets the current barometric pressure.
Syntax:
SEND_COMMAND ’PRESSURE <VAL>’
Variable:
VAL = The barometric pressure. This value should correspond to the currently used unit of measure.
Examples:
SEND_COMMAND ’PRESSURE 29.85’
?SERIAL Retrieves the 16-byte serial number set on the thermostat. The Master sends the ?SERIAL command to
request the thermostat’s serial number.
Syntax:
?SERIAL
Example:
SEND_COMMAND ’?SERIAL’
The Master requesting the thermostat’s serial number.
SEND_COMMAND ’SERIAL 1234567890123456’
The thermostat returns the serial number 1234567890123456.
SP Sets or changes the humidify and dehumidify set points.
Syntax:
SP H<HSP> D<DSP>
Variable:
HSP = The new humidify setpoint with a range of 0 to 100.
DSP = The new dehumidify setpoint with a range of 0 to 100.
Example:
SEND_COMMAND ’SP H75 D20’
Sets the humidify setpoint to 75% and the dehumidify setpoint to 20% RH.
ST Queries for the thermostat system configuration. When received the thermostat reports its configured
humidify and dehumidify set points, thermostat mode, and temperature scale.
Syntax:
SEND_COMMAND ’ST’
Example:
SEND_COMMAND 'ST'
Master requests device status.
SEND_COMMAND 'SP H30 D50'
SEND_COMMAND 'MD MP'
SEND_COMMAND 'FM SF'
Device responds with humidify set point 30, dehumidify set point 50, mode program, and temperature
scale Fahrenheit.