Rockwell-automation 20C PowerFlex 700H Drives Programming Uživatelský manuál stáhnout pdf (Strana 79)

Rockwell Automation Publication 20C-PM001F-EN-P - March 2012 79

Troubleshooting Chapter 3

Stopping the Drive Results in a Decel Inhibit Fault

Technical Support Options

Technical Support Wizards

If you are connected to a drive via DriveExplorer™ or DriveExecutive™, you can

run a Tech Support wizard to gather information that will help diagnose

problems with your drive and/or peripheral device. The information gathered by

the wizard is saved as a text file and can be emailed to your remote technical

support contact. (See W h at You Ne e d W h e n Yo u Ca l l Tec h S upp or t

on page 80

for more information.)

To run a Tech Support wizard in DriveExplorer, select Wizards from the Actions

menu. In DriveExecutive, select Wizards from the To o l s menu. Or, click the

button. Follow the prompts to complete the wizard.

Cause(s) Indication Corrective Action

The bus regulation feature is enabled and

is halting deceleration due to excessive

bus voltage. Excess bus voltage is

normally due to excessive regenerated

energy or unstable AC line input voltages.

Internal timer has halted drive operation.

Decel Inhibit fault

screen.

LCD Status Line

indicates “Faulted”.

1. See Attention statement on page page 8

2. Reprogram parameters 161/162 to eliminate any

“Adjust Freq” selection.

3. Disable bus regulation (parameters 161 & 162) and

add a dynamic brake.

4. Correct AC input line instability or add an isolation

transformer.

5. Reset drive.

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 115 116

Žádné komentáře

Rockwell-automation 20C PowerFlex 700H Drives Programming Uživatelský manuál Strana 79