Delta MM300 Instruction Manual Page 89

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6–2 MM300 MOTOR MANAGEMENT SYSTEM – INSTRUCTION MANUAL
UNDERSTANDING SETPOINTS CHAPTER 6: SETPOINTS
The pages containing setpoint fields, except for the inputs and outputs pages, are in a
common format. This is a simple tabular format with two columns: setpoint name and
units, and setpoint value. Setpoints for features that are not enabled are omitted from the
page.
CAUTION
CAUTION:
Setpoints may be changed while the motor is running; however it is not recommended
to change important protection parameters without first stopping the motor.
Setpoints will remain stored indefinitely in the internal non-volatile memory even when
control power to the unit is removed. Protection parameters are based on the entered
data. This data must be complete and accurate for the given system for reliable protection
and operation of the motor.
6.1.1 Setting text abbreviations
The following abbreviations are used in the setpoints pages.
A, Amps: amperes
•AUX: auxiliary
CBCT: core balance current transformer
COM, Comms: communications
•CT: current transformer
FLA: full load amps
FV: full voltage
G/F: ground fault
GND: ground
•Hz: Hertz
kohms: kilo-ohms
MAX: maximum
MIN: minimum
SEC, s: seconds
UV & U/V: undervoltage
•VT: voltage transformer
%MNV: percent of motor voltage
%UB: percent unbalance
%NCV: percent of nominal control voltage
%MNR: percent of motor nominal rating
•Ctrl: control
Hr & hr: hour
•O/L: overload
UTC: co-ordinated universal time
ops: operations
mcc: motor control center
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