ABB ACS320 series Додатковий посібник - Сторінка 11

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VFD PARAMETER OVERVIEW

"VFD Parameters" are instructions that the Variable Frequency Drives follow. They can be adjusted by

using the keypads on the VFDs. In some control conﬁ gurations, they will need to be changed from the

settings as shipped in the unit to interface with your control system.

To view the VFD's Parameters from the keypad, press the MENU softkey. Press up/down arrows to highlight

PARAMETERS, then select it by pressing the ENTER softkey.

TO VIEW ALL VFD PARAMETERS

VFD must be powered up – something will be showing on the LED display.

1. If EXIT is displayed above the left softkey, press softkey repeatedly until MENU appears above the right softkey.

2. Press the MENU softkey.

3. Use the UP/DOWN arrows to scroll the display until PARAMETERS is selected, then press the ENTER softkey.

4. You will see a numbered list of Parameter "groups" – those numbers are the ﬁ rst two digits of the

Parameters in each group.

5. Press the SEL softkey to view all the Parameters in each Group. Use the UP/DOWN buttons to scroll

through the parameters. As each Parameter is selected, its value will be displayed.

TO LOCK OR UNLOCK PARAMETERS

VFDs are shipped locked to prevent accidental changes to parameter settings. If changes to factory parameter

settings are desired, the VFD will need to be unlocked for editing the settings.

To unlock all Parameters if Parameter 1602

reads LOCKED:

1. Select Parameter 1603 PASS CODE: press

EDIT softkey.

2. Use the UP / DOWN buttons to scroll to 358: press

SAVE softkey (the entry will automatically revert

back to 0); press EXIT softkey.

3. Scroll up to Parameter 1602 PARAMETER LOCK

which reads LOCKED; press EDIT softkey.

4. Scroll to OPEN; press SAVE softkey; press

EXIT softkey

Parameters are now unlocked. You can view and

change them.

TO CHANGE VFD PARAMETERS (WHEN

PARAMETERS ARE UNLOCKED)

1. Select the Parameter you want to edit (see above).

Press the EDIT softkey.

2. Use the UP/DOWN arrows to scroll through the

available settings for that Parameter.

3. Press the SAVE softkey to set the Parameter to

the selected value.

ABB VARIABLE FREQUENCY DRIVES

To lock Parameters after changes are made if

Parameter 1602 reads OPEN:

1. Select Parameter 1603 PASS CODE: press

EDIT softkey.

2. Use the UP / DOWN buttons to scroll to 358: press

SAVE softkey (the entry will automatically revert

back to 0); press EXIT softkey.

3. Scroll up to Parameter 1602 PARAMETER LOCK

which reads OPEN; press EDIT softkey.

4. Scroll to LOCKED; press SAVE softkey; press

EXIT softkey.

Parameters are now locked. You can view them but

you cannot change them.

TO VIEW ONLY CHANGED VFD PARAMETERS

1. If EXIT is displayed above the left softkey, press

softkey repeatedly until MENU appears above the

right softkey.

2. Press the MENU softkey.

3. Use the UP/DOWN arrows to scroll the display

until CHANGED PAR is selected, then press the

ENTER softkey.

4. All Parameters that have been changed from

the HVAC Application Macro default values are

displayed. Use the UP/DOWN buttons to view

them all.

1.800.627.4499

OPERATION

SETTINGS

ABB VFD SUPPLEMENTAL MANUAL

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