2-2 Advanced Tuning
Advanced Tuning Advanced Tuning Parameters – PF700 Vector Control Only
The following parameters can only be viewed when “2, Unused” is selected
in parameter 196, [Param Access Lvl].
!
ATTENTION: To guard against unstable or unpredictable
operation, the following parameters must only be changed by
qualified service personnel.
File
Group
No.
Parameter Name & Description Values
Related
UTILITY
Diag-Motor Cntl
500 [KI Current Limit]
Current Limit Integral gain. This gain is
applied to the current limit error signal to
eliminate steady state current limit error. A
larger value increases overshoot during a
step of motor current/load.
Default:
Min/Max:
Units:
1500
0/10000
1
501 [KD Current Limit]
Current Limit Derivative gain. This gain is
applied to the sensed motor current to
anticipate a current limit condition. A larger
value reduces overshoot of the current
relative to the current limit value.
Default:
Min/Max:
Units:
500
0/10000
1
502 [Bus Reg ACR Kp]
This proportional gain, in conjunction with
P160, adjusts the output frequency of the
drive during a bus limit or inertia ride through
condition. The output frequency is adjusted in
response to an error in the active, or torque
producing, current to maintain the active bus
limit, or inertia ride through bus reference. A
larger value of gain reduces the dynamic
error of the active current.
Default:
Min/Max:
Units:
450
0/10000
1
503 [Jerk]
This parameter allows you to adjust the
amount of S-Curve, or “Jerk” applied to the
Acc/Dec rate. To enable the Jerk feature, bit 1
of P56 must be set high.
Default:
Min/Max:
Units:
900
2/30000
1
504 [Kp Ln Ls Bus Reg]
This proportional gain adjusts the active
current command during an inertia-ride
through condition, in response to a bus error.
A larger value of gain reduces the dynamic
error of the bus voltage as compared to the
bus voltage reference.
Default:
Min/Max:
Units:
500
0/10000
1
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