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Programming
D-20
AC890PX AC Drive
CURRENT LIMIT
SETUP::MOTOR CONTROL::CURRENT LIMIT
Designed for all Motor Control Modes, except PMAC control mode.
This function block allows you to set the maximum level of motor rated current (as a % of the user-set MOTOR CURRENT)
which is allowed to flow before current limit action occurs. If the measured motor current exceeds the current limit value with
a motoring load, the motor speed is reduced to shed the excess load. If the measured motor current exceeds the current limit
value with a regenerating load, the motor speed is increased up to a maximum of MAX SPEED (REFERENCE function
block).
Note
The maximum value of current limit for a particular motor is limited by the 890 current rating. If a motor of larger
rating than the 890+ is connected, then the current limit applies to the 890 and not the motor. In this case, the
maximum value of the CURRENT LIMIT parameter is 150.00%.
Parameter Descriptions
CURRENT LIMIT
PREF: 82.01
Default: 150.00 %
Range: 0.00 to 300.00 %
This parameter sets the level of motor current, as a % of MOTOR CURRENT (refer to the MOTOR INDUCTION function
block) at which the Drive begins to take current limit action.
REGEN LIM ENABLE
PREF: 82.02
Default: TRUE
Range: FALSE / TRUE
This parameter enables or disables regenerative current limit action.
Note that this parameter only works in open-loop VOLTS / Hz motor control mode.
ACTUAL CUR LIMIT
PREF: 82.03
Default: 0%
Range: 0 to 300%
This diagnostic indicated the final actual current limit. This parameter is the input, to the INVERSE TIME function block.
Содержание AC890PX Series
Страница 17: ...2 5 Product Overview AC890PX AC Drive 890PX bottom wire entry ...
Страница 25: ...3 4 Installing the Drive AC890PX AC Drive Outline Drawing of AC890PX 132kW 400kW HC471581 page 2 of 2 ...
Страница 144: ...The Keypad 7 9 AC890PX AC Drive The Menu System Map ...
Страница 145: ...7 10 The Keypad AC890PX AC Drive The Menu System Map continued ...
Страница 159: ...7 24 The Keypad AC890PX AC Drive Assembly Procedure Mounting Dimensions for the Remote Mounted 6901 Keypad ...
Страница 250: ...Programming D 10 AC890PX AC Drive VALUE INPUT BREAK VALUE INPUT LOSS LEVEL BREAK ENABLE BREAK TYPE UNPROCESSED ...
Страница 328: ...Programming D 88 AC890PX AC Drive Functional Description ...
Страница 386: ...Programming D 146 AC890PX AC Drive Setpoint Drive Frequency Frequency 1 Frequency 2 ...
Страница 391: ...D 151 Programming AC890PX AC Drive Speed Rated Speed No Load Speed synchronous speed Rated Torque Torque ...