Rockwell-automation DC3E Non-Regenerative DC Drive User Guide 1/4 - 2 Bedienungsanleitung PDF herunterladen (Seite 81)

73

Problem Possible

Causes

Suggested

Solutions

Troubleshooting

Motor runs too

slow or too fast

1. Switches are set

incorrectly.

2. MIN SPD and

MAX SPD not

calibrated.

3. Motor field not

properly connected

(shunt wound

motors only).

4. TACH VOLTS

trimpot not

calibrated properly.

5. Motor is

demagnetized.

1. Verify all switch

settings.

2. Calibrate MIN

SPD and MAX

SPD.

3. Verify motor field

connections.

4. Recalibrate

TACH VOLTS

trimpot.

5. Check for proper

braking technique

and method by

which power is

cycled.

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