Specifications

Glossary
Siemens Building Technologies, Inc. 121
Slip Compensation
Dynamically adjusts the output frequency of the SED2 so that the motor
speed is kept constant independent of the motor load. Also see Slip
Compensation parameter P1335.
Stator Resistance
Impedance produced from each motor winding.
Train (HVAC)
Sequence or succession of mechanical equipment.
Undervoltage
A SED2 fault condition that occurs, for example, when input line power
has failed or is outside the voltage reduction tolerance. Also see Fault
Code F0003.
VFD/VSD
Variable Frequency Drive/Variable Speed Drive. Both terms are used for
a device that controls the frequency or speed of another device such as
a fan or pump motor.