CHAPTER 5: SETTINGS
GROUPED ELEMENTS
M60 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
5-221
5
UNDERCURRENT TRIP RESET DLY
— This setting specifies a time delay to reset the trip command. Set this delay to be long
enough to allow breaker or contactor to disconnect the motor.
UNDERCURRENT BLOCK
— This setting specifies an operand used to block the undercurrent function. A panel cutoff switch
or other user specified condition is typically used to block the function.
Figure 5-119: Undercurrent logic
5.7.3.7 Two-speed motor menu
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
MOTOR
TWO-SPEED MOTOR
The two-speed motor menu appears only if two-speed motor functionality is enabled in the
SETTINGS
SYSTEM SETUP
MOTOR
menu.
5.7.3.8 Two-speed motor thermal model
SETTINGS
GROUPED ELEMENTS
SETTING GROUP 1(6)
MOTOR
TWO-SPEED MOTOR
SPEED2 THERMAL
MODEL
TWO-SPEED MOTOR
SPEED2 THERMAL
MODEL
See below
SPEED2
ACCELERATION TIME
SPEED2
UNDERCURRENT
SPEED2 THERMAL
MODEL
SPEED2 THERMAL MODEL
CURVE: Motor
Range: Motor, FlexCurve A, FlexCurve B, FlexCurve C,
FlexCurve D, IEC
SPEED2 THERMAL MODEL
TD MULTIPLIER: 1.00
Range: 0.00 to 16.00 in steps of 0.01 when speed 2
thermal model curve is Motor, otherwise 0.00 to
600.00 in steps of 0.01
SPEED2 VOLT DEPEND
FUNCTION: Disabled
Range: Disabled, Enabled
SPEED2 VOLT DEPEND
MIN MOTOR VOLTS: 80%
Range: 60 to 99% in steps of 1
Summary of Contents for M60
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