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Programming and Parameters
3-17
PowerFlex 700S Phase II AC Drive User Manual -
Publication 20D-UM006G-EN-P – July 2008
39
Jog Speed 2
Sets the speed reference that the drive should use when responding to bit 23 [Jog 2] of
[Applied LogicCmd].
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+8.0000 pu
[Motor NP RPM] = 1.0 pu
✓
RW Real
40
Selected Spd Ref
Displays the speed command before the speed reference limit block.
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+8.0000 pu
[Motor NP RPM] = 1.0 pu
RO Real
41
Limited Spd Ref
Displays the speed command after the limit block, limited by
[Min Spd Ref Lim] and
[Max Spd Ref Lim].
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+8.0000 pu
[Motor NP RPM] = 1.0 pu
RO Real
42
Jerk
Allows you to adjust the amount of S-Curve or "Jerk" applied to the Accel/Decel rate.
Note: This parameter was added for firmware version 2.03.
Default:
Min/Max:
900
2/30000
RW 16-bit
Integer
43
Ramped Spd Ref
Displays the speed command after the ramp block, modified by
[Decel Time 1] and
[S Curve Time].
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+8.0000 pu
[Motor NP RPM] = 1.0 pu
RO Real
45
Delayed Spd Ref
One sample period delayed output of
[Ramped Spd Ref]. Used in some applications to
synchronize the speed reference value through SynchLink. This master drive Par 43 [Ramped
Spd Ref] would then be transmitted to the slave drives over SynchLink.
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+14112.0000
[Motor NP RPM] = 1.0 pu
RO Real
46
Scaled Spd Ref
Displays the speed command after scaling.
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+14112.0000
[Motor NP RPM] = 1.0 pu
RO Real
47
Spd Trm1
Displays the final speed command used by the Speed Regulator. It is the sum of
[Scaled Spd Ref] and
[Speed Trim 1].
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+8.0000 pu
[Motor NP RPM] = 1.0 pu
RO Real
48
Spd Ref Bypass2
The speed command after the limit, ramp and s-curve blocks. Link a source directly to this
parameter to bypass these blocks.
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+8.0000 pu
[Motor NP RPM] = 1.0 pu
✓
RW Real
49
Selected SpdRefA
Used to view the value of Speed Reference A,
[Speed Ref A Sel] from a Human
Interface Module (HIM).
Note: This parameter is new for firmware version 3.01.
Units:
Default:
Min/Max:
RPM
0.0000
-/+8.0000
RO Real
50
Selected SpdRefB
Used to view the value of Speed Reference B,
[Speed Ref B Sel] from a HIM.
Note: This parameter is new for firmware version 3.01.
Units:
Default:
Min/Max:
RPM
0.0000
-/+8.0000
RO Real
53
Drive Ramp Rslt
Displays the speed reference value, after the limit function. This is the input to the error
calculator and speed regulator. Available for use in peer-to-peer data links (DPI interface).
This number is scaled so that rated motor speed will read 32768.
Default:
Min/Max:
0
-/+262144
RO 32-bit
Integer
54
Inertia TrqLpfBW
Sets the bandwidth of the inertia compensation torque output low pass filter. A value of 0.0 will
disable the filter.
Note: This parameter is new for firmware version 3.01.
Units:
Default:
Min/Max:
R/S
35.0000
0.0000 /2000.0000
✓
RW Real
55
Speed Comp
Displays the derivative or change in
[Inertia SpeedRef] on a per second basis. Link this
parameter to
[Speed Trim 3] and set
[SpdTrim 3 Scale] to 0.002 to reduce
position error in following applications.
Units:
Default:
Min/Max:
/Sec
0.0000
-/+2200000000.0000
RO Real
56
Inertia SpeedRef
The speed input of the inertia compensator. Link this parameter to the output of an internal
ramp or s-curve block. The inertia compensator generates a torque reference that is
proportional to the rate of change of speed input and total inertia.
Units:
Default:
Min/Max:
Scale:
RPM
0.0000
-/+14112.0000
[Motor NP RPM] = 1.0 pu
✓
RW Real
57
InertiaAccelGain
Sets the acceleration gain for the Inertia Compensation function. A value of 1 produces 100%
compensation.
Default:
Min/Max:
1.0000
1.0000/2.0000
✓
RW Real
58
InertiaDecelGain
Sets the deceleration gain for the Inertia Compensation function. A value of 1 produces 100%
compensation.
Default:
Min/Max:
1.0000
1.0000/2.0000
✓
RW Real
59
Inertia Trq Add
The torque reference output generated by the inertia compensator. This torque level is
modified by
[InertiaAccelGain] and
[InertiaDecelGain]. A value of 1.0
represents rated torque of the motor.
Units:
Default:
Min/Max:
P.U.
1.0000
-/+8.0000 pu
RO Real
No.
Name
Description
Values
Linkab
le
R
ead-Wr
ite
Da
ta
T
ype