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6-7
Operating the Drive
AC890PX AC Drive
Start/Stop Controlled Locally
The reference value is set by the SETPOINT (LOCAL) parameter. (The direction of rotation is controlled by the DIR key
(forward/reverse) on the 6901 Keypad). When the RUN key is pressed, the SPEED DEMAND ramps up to the reference
value at a rate controlled by ACCEL TIME. The drive will continue to run at the reference value even when the RUN key is
released. Press the STOP key to “stop” the drive.
When the JOG key is pressed and held, the SPEED DEMAND ramps up to the JOG SETPOINT at a ramp rate set by JOG
ACCEL TIME (not shown in the diagram). Release the JOG key to “stop” the drive.
Interaction between RUN and JOG
Only one of these signals can be in effect at any one time; the other signal is ignored. The drive must be “stopped” to change
from running to jogging, or vice versa.
Start/Stop Mode Diagnostics
In the configuration shown, Start/Stop mode provides two DIGITAL OUTPUT signals (RUNNING and HEALTH).
The RUNNING signal is TRUE from the time a start command is processed until a stop sequence is completed. This
normally means the time between the drive starting until the power stack is quenched. Refer to Appendix B : “Sequencing
Logic” for a more detailed description.
The HEALTH output is TRUE when the drive is not tripped.
Additional diagnostic parameters are available when using the Keypad. Refer to Chapter 7: "Keypad Menus".
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 ...