Rockwell Automation 1397 DC Drive Firmware 2.xx - Manual (Page 199)

5–89 Programming Parameters
Publication 1397-5.0 — June, 2001
Field
[Fld Loss Level] — P.277
Only used if the Field Current Regulator Kit is
installed.
The value that is compared to [Field
Feedback] to check for field loss. [Fld Loss
Level] is set as a percentage of [Motor Field
Amps]. It is usually set to 85% of the motor
nameplate value of field weaken.
Refer to [Field Econ Ref] for additional
information.
Display/Drive Units: %
Parameter Type: Tunable
Group: Field
Minimum Value: 0%
Factory Default: 60%
Maximum Value 100%
ATTENTION: The incorrect setting of this parameter can cause a motor
overvoltage condition. Set [Motor Fld Amps] to the motor’s nameplate
value. Make sure [Field Economy Ref] and/or [Field Ref] — P.280 is set
greater than [Field Loss Level] — P.277 to avoid field loss faults. Failure to
observe this precaution can result in bodily injury and damage to the
equipment.
!
[Fld Lp Lead Freq] — P.278
Only used if the Field Current Regulator Kit is
installed.
Lead frequency for the field current PI block.
Display/Drive Units: RD/S
Parameter Type: Tunable
Group: Field
Minimum Value: 0
Factory Default: 10.0
Maximum Value 282.7
Fld Lp Lead Freq
(Field Reference TP)
Fld Loop Kp
[Fld Loop Kp] — P.279
Only available if the Field Current Regulator
kit is installed.
Proportional gain setting for the field current
PI block.
Refer to the Field Control Loop (Fig. A.10)
block diagram for additional information.
Display/Drive Units:
Parameter Type: Tunable
Group: Field
Minimum Value: 0.01
Factory Default: 0.30
Maximum Value 128.0