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Rockwell Automation 1397 DC Drive Firmware 2.xx User Manual

Page 135

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5–25

Programming Parameters

Publication 1397-5.0 — June, 2001

SETUP

[Motor Field Amps] — P.044

Motor nameplate value of the rated field
amps. This parameter scales the field current
feedback. Minimum and maximum values
are dependent on the installed supply rating.

Display/Drive Units:

Amps

Parameter Type:

Configurable

Group:

Setup

Factory Defaut

0.01 amp

Minimum Value:

0.11 (4 amp) 0.28 (10 amp) 0.55 (20 amp)

Maximum Value:

4.00 (4 amp) 10.00 (10 amp) or 20.00 (20 amp)

ATTENTION: The incorrect setting of this parameter can cause a motor
overvoltage condition. Set motor [Motor Field Amps] to the motor’s
nameplate value. Make sure [Field Econ Ref] and/or [Field
Reference] — P.280
is set greater than [Fld Loss Level] — P.277 to guard
against field loss faults. Failure to observe this precaution can result in
bodily injury and damage to the equipment.

!

(Field Econ
Active)

Field Reference

Motor Field Amps

Motor Field Amps

(Field Reference TP)

Motor Field Amps

Fld Loop
K – Fdbk

Field Econ Ref

Field Feedback

Field Current
Feedback

To Field Current Regulator
Control Block

[Motor Arm Amps] — P.045

The rated armature current from the motor
nameplate.

Display/Drive Units:

Amps

Parameter Type:

Configurable

Group:

Setup

Factory Default:

8.0

Minimum Value:

0.1

Maximum Value:

3000.0

ATTENTION: The drive will not operate properly if this parameter
value is entered incorrectly. This parameter must be equal to the rated
armature amps found on the motor nameplate. Overcurrent or excess
heating of the motor could result. Failure to observe this precaution
could result in damage to, or destruction of, the equipment.

!