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D-35
Programming
AC890PX AC Drive
EMC CAPACITORS
SETUP::MISCELLANEOUS::EMC CAPACITORS
This block allows the user to disconnect the internal EMC "Y" capacitor (DC+ to earth and DC- to earth) from the drive earth
on 890 Frames B, C & D.
Parameter Descriptions
EMC CAPACITORS
PREF: 125.01
Default: 0
Range: See below
Electrically connects the internal EMC capacitors inside the product.
Enumerated Value
:
Internal
EMC "Y " Capacitors
0 : CONNECTED
Y caps connected to earth
1 : NOT CONNECTED
Y caps disconnected from earth
Caution
Isolating the capacitors in this way will lower the input bridge's immunity to surges.
This will invalidate the EMC certification.
Reasons for Isolation
The drive's "Y" capacitors should be electrically isolated :
when operating the drive on IT (non-earth referenced supplies)
when operating the drive in a regenerative common dc link system (remove from all drives in the system)
to prevent nuisance operation of earth leakage protection devices caused by earth leakage currents flowing in the supply
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 ...