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Variable speed drive (VSD) details screen
Figure 31: Variable speed drive (VSD) details screen
This screen displays more detailed information about the variable speed drives (VSDs). There are
two separate screens: one for VSD 1 and one for VSD 2. However, the information is similar.
Table 74: Display only fields
Field/LED name
Motor run (LED)
% Full Load Amps
Motor current limit setpoint
Pulldown demand time left
Full load amps
VSD model
Water pump output (LED)
Precharge relay output (LED)
Trigger SCR output (LED)
DC bus voltage
DC inverter link current
Internal ambient temperature
Converter heatsink temperature
Heatsink temperature
Programmable
None
84
Description
Indicates whether the digital output from the controls is commanding the motor to
RUN.
Displays the motor current as a percentage of the Full Load Amps (FLA) value. For the
Variable Speed Drive, this is the data returned by the VSD Logic Board.
Displays the current limit value in use. This value could come from a 0 mA to 20 mA, 4
mA to 20 mA, 0 VDC to 10 VDC, or 2 VDC to 10 VDC input in Analog Remote mode, PWM
signal in Digital Remote mode, SC-EQ communications interface in ISN (BAS) mode, or
a locally programmed value.
Displays the time remaining in the programmed pulldown period if the value is
nonzero.
Displays the Full Load Amps value as reported by the VSD.
Displays the VSD model as reported by the VSD.
Indicates whether the relay controlling the water pump output is energized.
Indicates whether the relay controlling the precharge output is energized.
Indicates whether the relay controlling the Trigger SCR Output is energized.
Displays the DC Bus voltage as reported by the VSD.
Displays the DC Inverter link current as reported by the VSD.
Displays the ambient temperature inside the VSD cabinet as reported by the VSD.
Displays the heatsink temperature of the converter as reported by the VSD.
Displays the baseplate temperatures of the 3 phases of the VSD inverter as reported
by the VSD.
Model YD Mod D with OptiView Control Center
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