32 Rockwell Automation Publication 20D-PM001D-EN-P - March 2019
Chapter 2 Programming and Parameters
Parameter Data in Linear List Format
No. Name
Description
Values
Linkable
Read-Write
Data Type
1 Motor NP Volts
Set to the motor nameplate rated volts.
Default:
Min/Max:
Units:
Calculated
(1)
75/705
V
RW 16-bit
Integer
2 Motor NP FLA
Set to the motor nameplate rated full load amps. Range limited by three-second inverter rating.
Default:
Min/Max:
Units:
Calculated
(1)
Calculated/Calculated
A
RW Real
3 Motor NP Hertz
Set to the motor nameplate rated frequency.
Default:
Min/Max:
Units:
Calculated
(1)
2.0000/500.0000
Hz
RW Real
4 Motor NP RPM
Set to the motor nameplate rated rpm.
Default:
Min/Max:
Units:
Calculated
(1)
1/30000
rpm
RW 16-bit
Integer
5 Motor NP Power
Set to the motor nameplate rated power.
Note: The unit of measure for this parameter was changed from kW to Hp for firmware version 2.003.
Default:
Min/Max:
Units:
Calculated
(1)
0.2500/3500.0000
Hp
RW 32-bit
Integer
6 Mtr NP Pwr Units
The power units shown on the motor nameplate.
Default:
Options:
0 =
0 =
1 =
“Hp”
“Hp”
“kW”
7 Motor Poles
Set the number of motor poles indicated on the motor nameplate or manufacturer's motor data sheet. Only even
numbers of poles are allowed.
Calculation: (120 x NP Hz) / NP rpm = Poles [round down]
Note: The maximum value was changed from 60 to 128 for firmware version 4.002.
Default:
Min/Max:
Units:
4
2/128
Pole
RW 16-bit
Integer
9 Total Inertia
Time, in seconds, for a motor coupled to a load to accelerate from zero to base speed, at rated motor torque.
Calculated during auto-tune.
Default:
Min/Max:
Units:
2.0000
0.0100/655.0000
s
Y
RW Real
10 Speed Ref 1
Sets the speed reference that the drive should use when selected by Par 27 [Speed Ref A Sel] or
Par 28 [Speed Ref B Sel]. A value of 1.0 represents base speed of the motor.
Default:
Min/Max:
0.0000
-/+2200000000.0000
Y
RW Real
11 Spd Ref1 Divide
Par 10 [Speed Ref 1] is divided by this number. This number can be used to scale the value of Par 10 [Speed Ref 1].
Default:
Min/Max:
1.0000
-/+2200000000.0000
Y
RW Real
12 Speed Ref 2
Sets the speed reference that the drive should use when selected by Par 27 [Speed Ref A Sel]
or Par 28 [Speed Ref B Sel]. A value of 1.0 represents base speed of the motor.
Default:
Min/Max:
0.0000
-/+2200000000.0000
Y
RW Real
13 Spd Ref2 Multi
Par 12 [Speed Ref 2] is multiplied by this number. This number can be used to scale the value of
Par 12 [Speed Ref 2].
Default:
Min/Max:
1.0000
-/+2200000000.0000
Y
RW Real
14
through
20
Preset Speed 1
through
Preset Speed 7
Provides an internal fixed speed command value. The preset speeds may be selected with Par 27 [Speed Ref A Sel]
or Par
28 [Speed Ref B Sel].
Default:
Min/Max:
Units:
Scale:
0.0000
-/+8.0000 P.U.
rpm
Par
4 [Motor NP RPM] = 1.0 P.U.
Y
RW Real
21 Speed Trim 1
Provides an additive trim value to Par 38 [Speed Ref Scale].
Default:
Min/Max:
Units:
Scale:
0.0000
-/+14112.0000
rpm
Par
4 [Motor NP RPM] = 1.0 P.U.
Y
RW Real
22 Speed Trim 2
Provides an additive speed trim value to Par 47 [SpdRef + SpdTrm1] with a Lead/Lag filter. The Position regulator
output is linked to this parameter by default. This speed trim value affects the speed reference input to the speed
regulator.
Default:
Min/Max:
Units:
Scale:
0.0000
-/+14112.0000
rpm
Par
4 [Motor NP RPM] = 1.0 P.U.
Y
RW Real
23 Speed Trim 3
Provides a scalable speed trim value that will be added to Par 47 [SpdRef + SpdTrm1]. Par 24 [SpdTrim 3 Scale]
scales this value prior to the trim value affecting the speed reference.
Default:
Min/Max:
Units:
Scale:
0.0000
-/+14112.0000
rpm
Par
4 [Motor NP RPM] = 1.0 P.U.
Y
RW Real
24 SpdTrim 3 Scale
Par 23 [Speed Trim 3] is multiplied by this number. This number can be used to scale the value of
Par 23 [Speed Trim 3].
Default:
Min/Max:
1.0000
-/+1000.0000
Y
RW Real
25 STrim2 Filt Gain
Sets the lead term for the Par 22 [Speed Trim 2] filter. Values greater than 1 will result in a lead function and value
less than 1 will result in a lag function. A value of 1 will disable the filter.
Default:
Min/Max:
1.0000
-/+15.0000
Y
RW Real
(1) The calculation is based on the drive frame size and input voltage.
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