Appendix
112 CNT-SVX05B-EN
nviOAMinPos SNVT_lev_percent Analog Bind to this network variable input to communicate
an outdoor air damper minimum position to the
device. The valid range is from 0% to 100% with a
resolution of 0.005%.
nviOccManCmd SNVT_occupancy Enumerated Bind to this network variable input to communicate
occupancy overrides to the device.
nviOccSchedule SNVT_tod_event Enumerated Bind to this network variable input to communicate
scheduled occupancy to the device.
nviOutdoorTemp SNVT_temp_p Analog Bind to this network variable input to communicate
the outdoor air temperature in degrees Celsius to the
device. The valid range is from -40°C to 100°C with a
resolution of 0.01°C.
nviPriCoolEnable SNVT_switch Analog Bind to this network variable input to communicate a
mechanical cooling limit to the device. The valid
range is 0% to 100% with a resolution of 0.005%.
nviPriHeatEnable SNVT_switch Analog Bind to this network variable input to communicate a
mechanical heating limit to the device. The valid
range is 0% to 100% with a resolution of 0.5%.
nviSpaceTemp SNVT_temp_p Analog Bind to this network variable input to communicate
the space temperature in degrees Celsius to the
device. The valid range is from -15°C to 50°C with a
resolution of 0.01°C.
nviValveOverride SNVT_hvac_overide (Structure) Bind to this network variable input to communicate
water valve overrides to the device.
Table 81: Tracer AH540/541 DAC profile network variable outputs
Variable name SNVT Data type Description
nvoAlarmMessage SNVT_str_asc Analog The network variable output communicates the
exhaust fan status of the device.
nvoApplicMode SNVT_hvac_mode Enumerated This network variable output communicates unit
heating and cooling status information.
nvoDischAirTemp SNVT_temp_p Analog This network variable output communicates the dis-
charge air temperature in degrees Celsius to other
devices. The valid range is from -40°C to 100°C with a
resolution of 0.01°C.
nvoDuctStatPress SNVT_press_p Analog This network variable output communicates the effec-
tive duct static pressure in Pascals to other devices.
The valid range is from 0 Pa to 1250 Pa with a resolu-
tion of 1 Pa.
nvoEconEnabled SNVT_switch Binary This network variable output communicates the sta-
tus of economizer cooling (enabled/disabled). The
valid range is from -40°C to 100°C with a resolution of
0.01°C.
Table 80. Tracer AH540/541 DAC profile network variable inputs
Variable name SNVT Data type Description
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