Trane Tracer AH540 User Manual

AH540/541 network variables
CNT-SVX05B-EN 109
AH540/541 network variables
A network variable input (nvi) receives data from other devices on the
Comm5 network. Network variable inputs (including their SNVTs) that
are commonly used are shown in Table 78 on this page and Table 79 on
page 110.
A network variable output (nvo) sends data to other devices on the
Comm5 network. Network variable outputs (including their SNVTs) that
are commonly used are shown in Table 80 on page 111 and Table 81 on
page 112.
Table 78. Tracer AH540/541 SCC profile network variable inputs
Variable name SNVT Data type Description
nviAuxHeatEnable 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 0.005%.
nviComprEnable 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%.
nviEconEnable SNVT_switch Binary Bind to this network variable input to communicate
economizer operation enable or disable to the device.
nviEmergOverride SNVT_hvac_emerg Enumerated Bind to this network variable input to communicate
emergency overrides to the device.
nviHeatCool SNVT_hvac_mode Enumerated Bind to this network variable input to communicate
the application mode to the device.
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.
nviOccSensor SNVT_occupancy Enumerated Bind to this network variable input to a local occu-
pancy sensor status 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.
nviSetpoint SNVT_temp_p Analog Bind to this network variable input to communicate
the space temperature setpoint in degrees Celsius to
the device. The valid range is from 10°C to 29.44°C
with a resolution of 0.01°C.
nviSetptOffset SNVT_temp_diff_p Analog Bind to this network variable input to communicate a
space temperature setpoint offset in degrees Celsius
to the device. The valid range is from -10°C to 10°C
with a resolution of 0.01°C.

Trane Tracer AH540 Specifications

General

Brand	Trane
Model	Tracer AH540
Category	Controller
Language	English